Great experience with CAD-Ray, specifically Damien, with purchasing and customer service with servicing a scanner that needed replacing under warranty. All around excellent service and I will definitely come back for future technology we'll eventuall...read moreGreat experience with CAD-Ray, specifically Damien, with purchasing and customer service with servicing a scanner that needed replacing under warranty. All around excellent service and I will definitely come back for future technology we'll eventually be adding to our practice.read less - 10/23/2024
Ed Borio
I was dragging my feet before purchasing my first scanner because I was apprehensive of the effort required to change to a digital workflow. Laura assured me my fears were overblown and because of her patience and exceptional training abilities it h...read moreI was dragging my feet before purchasing my first scanner because I was apprehensive of the effort required to change to a digital workflow. Laura assured me my fears were overblown and because of her patience and exceptional training abilities it has been a rewarding and relatively seamless transition to the world of scanning. I never dreamed implementation would have been this easy and its attributed to Laura's skillful training ability. The scanner is wonderful and powerful, but we would have never been able to unlock its potential without her assistance.read less - 5/07/2021
Jamal
I recently made a purchase from Cad-Ray and the experience was truly outstanding. From my initial enquiry, Nick was incredibly supportive and knowledgeable, answering all of my questions thoroughly and guiding me to the product that would best meet m...read moreI recently made a purchase from Cad-Ray and the experience was truly outstanding. From my initial enquiry, Nick was incredibly supportive and knowledgeable, answering all of my questions thoroughly and guiding me to the product that would best meet my needs. What really set this experience apart was his non-pushy approach. Nick showed genuine interest in understanding my specific requirements, ensuring that I would be fully satisfied with my choice. This type of customer service is rare and it made the whole process much more enjoyable. I can confidently recommend Cad-Ray to others not just for their high-quality products, but for their exceptional customer service. A big thank you to Nick and the entire Cad-Ray team for their professionalism and dedication.read less - 5/17/2023
DERYCK PHAM
STOP SEARCHING NOW!
Best bang for your buck scanner on the market. we have been using out medit for 8 months now. love our crowns, margins are fantastic. almost no adjustments needed at all. maybe one in ten crowns might have to adjust mesial or...read moreSTOP SEARCHING NOW!
Best bang for your buck scanner on the market. we have been using out medit for 8 months now. love our crowns, margins are fantastic. almost no adjustments needed at all. maybe one in ten crowns might have to adjust mesial or distal to get crown to drop in. occlusion is always spot on. patients love the technology and WOW factor -"SOOO COOOLLL." customer service is great also! dont waste your money on anythign else. our lab even comments on how easy it is to deal with medit and how good the scans are. they recommend it to their other doctors now as well.read less - 10/09/2019
As important as the decision of which scanner to buy (I bought the Medit i500 - why is a separate review) is the decision of who to purchase it from. There is a Medit i500 distributor 5 miles from my office who agreed to lower their price to match C...read moreAs important as the decision of which scanner to buy (I bought the Medit i500 - why is a separate review) is the decision of who to purchase it from. There is a Medit i500 distributor 5 miles from my office who agreed to lower their price to match Cad-Ray. So why did I purchase it from Cad-Ray who is 2000 miles away from my office. Because I did my homework. Because the post purchase training and support offered by Cad-Ray was unmatched by any other dealer I spoke with. Their library of online training videos that came with the purchase is without equal. Bottom Line: I’m glad I purchased the Medit i500 and, with hindsight, I know I made the right choice to purchased it from Cad-Ray!read less - 5/12/2020
Inna Vinnikov
Frank was fantastic in helping me obtain my medit scanner. He answered all of my questions in detail. After the purchase of the scanner, he continued to follow up with me and presently remains a tremendous support with any concerns that may arise. Wa...read moreFrank was fantastic in helping me obtain my medit scanner. He answered all of my questions in detail. After the purchase of the scanner, he continued to follow up with me and presently remains a tremendous support with any concerns that may arise. Was a great experience overall from transitioning my practice into a digital world!read less - 1/25/2023
Chase Benson
New technology can be intimidating, but this i700 is user friendly and is everything you could ask for in regards to a great scanner. Cad-ray also made the transition easy and smooth. Customer support here is unreal. Telling all my dental buddies abo...read moreNew technology can be intimidating, but this i700 is user friendly and is everything you could ask for in regards to a great scanner. Cad-ray also made the transition easy and smooth. Customer support here is unreal. Telling all my dental buddies about these guys, and plan to make more purchases in the future.read less - 4/18/2022
I bought a Medit i700 and admittedly did not use it for a year or so. Once I got going on it, I now hate analog impressions (time, lab time, expense, questions of quality, etc). I had a cord go bad (fray) and could not scan. I called and spoke to Hea...read moreI bought a Medit i700 and admittedly did not use it for a year or so. Once I got going on it, I now hate analog impressions (time, lab time, expense, questions of quality, etc). I had a cord go bad (fray) and could not scan. I called and spoke to Heather, and she was outstanding in providing service. I texted a pic, she corresponded with Medit, and they got a new one to me the next day. Tracking, email correspondence, etc. all was provided there as well. I was back up and running in no time, and having to do some analog impressions made me realize how much we love the scanner. The service from Heather and Medit (Dane) verified it. I sent a text out to a pile of dental friends to let them know as well. Highly recommended!read less - 7/10/2024
Aaron LaRock
Dentist here. Bought a scanner, mill and 3d printer with Cad-Ray. I don't know what I'd do if I bought these items without their support. They've helped me so much and are awesome. I felt I had to repay by writing them this nice review. You won't reg...read moreDentist here. Bought a scanner, mill and 3d printer with Cad-Ray. I don't know what I'd do if I bought these items without their support. They've helped me so much and are awesome. I felt I had to repay by writing them this nice review. You won't regret getting whatever you need through Cad Ray.read less - 3/15/2024
Reid Stone
I cannot say enough good things about Cad-Ray and the people involved with this organization. I have purchased equipment over the past few years from them and always been amazed at the non-pushy before the sale help and the after the sale support. ...read moreI cannot say enough good things about Cad-Ray and the people involved with this organization. I have purchased equipment over the past few years from them and always been amazed at the non-pushy before the sale help and the after the sale support. I have been deciding for the last 2 years to make a big purchase of a mill and sintering furnace and Jon has never made me feel like I was bothering him and never pushed me just to try to get a sale. It really is different from other sales experiences I've had with other companies/sales people.Jesse came out and installed and provided training for our new mill and sintering furnace. He went above and beyond what I was expecting to make sure myself and my team knew how everything works during the training. He has also been great with questions we have had since the installation. I just cannot say enough good things about my experience all around and will definitely be a Cad-Ray customer for many years to come. Thank you Cad-Ray!read less - 6/15/2022
Laura
Very helpful and attentive when setting up my new Medit scanner. Seamless process from start to finish - 10/28/2024
Page Barden
I have just recently purchased the Medit i700, and although it is "on its way" I have to comment on the support that I have already received, especially from Nick. He walked me through the benefits and features of the scanner and the transaction was...read moreI have just recently purchased the Medit i700, and although it is "on its way" I have to comment on the support that I have already received, especially from Nick. He walked me through the benefits and features of the scanner and the transaction was extremely easy. I can only think that the rest of the onboarding will be the same and in six months I will revisit this site and be extremely grateful I made the purchase.read less - 12/09/2021
This summer I decided that it was time to purchase a scanner and train with my team. We could not be more excited as our experience with Laura at Cad-Ray has been just amazing. From the initial sales discussions to the support and training after the ...read moreThis summer I decided that it was time to purchase a scanner and train with my team. We could not be more excited as our experience with Laura at Cad-Ray has been just amazing. From the initial sales discussions to the support and training after the purchase I am very thankful to have purchased my Medit scanner from Cad-Ray. Every text and phone call has been given prompt attention and the after the sale support is first rate. It is a pleasure to leave a 5 star review for both the technology and for Laura!read less - 12/16/2021
Gould Dentistry
A newcomer to scanning, I have been impressed with the ease of the process. The commitment shown by each CAD-Ray team member to successful customer training and their skill levelhave been extraordinary. Thank you Kaila, Frank and Andy!! - 5/15/2022
John Pisacane
This is my second review. I posted the first after having Medit for about 9 months. Loved it then, had great success with using the scanner to take full arch scans for clear aligner therapy, study models, removable partials, and crown and bridge. ...read moreThis is my second review. I posted the first after having Medit for about 9 months. Loved it then, had great success with using the scanner to take full arch scans for clear aligner therapy, study models, removable partials, and crown and bridge. Have kept using it and am still very happy with the Medit and with Cad-Ray. The scanner takes care of so many things in a way that impresses patients and pleases lab techs. Whenever I hit a computer glitch, I call Armen, Frank or any other members of the gang and my problems are solved quickly and without drama.read less - 6/16/2020
I was on the fence for a few years about getting into intra-oral scanning. I finally did it in the fall of 2019 and haven't looked back. I was hesitant mostly because I didn't want to spend a lot on $$$ on something that I don't end up implementing. ...read moreI was on the fence for a few years about getting into intra-oral scanning. I finally did it in the fall of 2019 and haven't looked back. I was hesitant mostly because I didn't want to spend a lot on $$$ on something that I don't end up implementing. I found that I love scanning, I feel like it has improved my quality of preps and my OCD of being able to verify accuracy. I recommend Cad-ray because they want you to succeed. They are always available. They have been through this process many times, they know what does and doesn't work. My experience is with the Medit i500 IOS.read less - 6/19/2020
Harrison MacKenzie
Purchased Medit i700 from Frank/CAD-Ray and everything has been absolutely top-notch! Great service, quick responses, great training. Very happy with CAD-Ray and our i700! - 10/20/2022
jeff-J65
You guys are great! I have been a Cerec user for about a decade and wanted to expand my horizons. I bought the I700 and have just loved it. We don't do impressions any more, only scanning, even for the full arch. The customer service has been excelle...read moreYou guys are great! I have been a Cerec user for about a decade and wanted to expand my horizons. I bought the I700 and have just loved it. We don't do impressions any more, only scanning, even for the full arch. The customer service has been excellent, even though I haven't had any problems with the scanner. I really like the online learning modules, they have been awesome getting me up to speed with the scanner quickly. I am looking forward to some of the in person courses to maximize the usefulness of this scanner. -- Jeff Allred, DDS FAGD DABOI FAAIDread less - 9/28/2021
Have been chatting with the CADRAY group for at least a year now even though I did not buy anything from them. They are very receptive, prompt and helpful. Finally bit the bullet and received my Medit yesterday! Now my Bluecam has a new buddy!! - 7/17/2020
Evan Sachs
Great staff and support when needed! There is a bit of a learning curve like with any new tech, but I highly recommend the Medit i500 and the Cad-Ray staff is great. Special thanks to Laura and Jeff for helping out! You guys rock. Great company and ...read moreGreat staff and support when needed! There is a bit of a learning curve like with any new tech, but I highly recommend the Medit i500 and the Cad-Ray staff is great. Special thanks to Laura and Jeff for helping out! You guys rock. Great company and product!read less - 11/11/2020
Dwayne Bodie
Very happy with my Sprint Ray 3D printer. Frank D. went above and beyond with training my team on how to use it. He offered remote training as a courtesy and followed up to make sure we were ok. Highly recommend! - 1/25/2023
Scott Terry
Six Stars! On a scale of one to five, I give CAD-Ray six stars. They really are that good. If you are purchasing an intra-oral scanner, I would recommend buying the Medit I-700. It is a dream machine. But, if you want incredible service every time, y...read moreSix Stars! On a scale of one to five, I give CAD-Ray six stars. They really are that good. If you are purchasing an intra-oral scanner, I would recommend buying the Medit I-700. It is a dream machine. But, if you want incredible service every time, you should buy your scanner from Cad-Ray. They have come through with flying colors each time I have contacted them. Their sales team great and their service is amazing. They have volumes of educational videos available, as well. I have worked with Jonathan, Damien, Frank, Armen and Laura. In a time where we are seeing the opposite, CAD-Ray will totally blow you away with the entire experience. I totally appreciate them and their value.read less - 11/01/2021
Debra Haselton DDS PLC
I had a training session with Laila this morning and she was fantastic! Very organized training, easy to follow and was able to get my scanner up and running. Thank you Kaila! - 1/06/2022
Mark Gerome
When I bought my first scanner a few years ago I was blown away by CAD-RAY’s support! They do a great job of getting you and your team ready to go with it. Frank D. has been a huge help with getting us confident with our scanners and making sure we a...read moreWhen I bought my first scanner a few years ago I was blown away by CAD-RAY’s support! They do a great job of getting you and your team ready to go with it. Frank D. has been a huge help with getting us confident with our scanners and making sure we are taken care of. He and his colleagues at CAD-RAY are always a responsive to our calls. Thank you!read less - 2/21/2023
Mostafa Koperly
I love my medit scanner. I purchase many dental equipments each year and by far it’s the best thing I got for the bucks I spent ( beating my 6 digits equipments ).
We have omnicam and I hated it, multiple crushes, expensive monthly service fee, hor...read moreI love my medit scanner. I purchase many dental equipments each year and by far it’s the best thing I got for the bucks I spent ( beating my 6 digits equipments ).
We have omnicam and I hated it, multiple crushes, expensive monthly service fee, horrible support, etc. I was so frustrated and had to look for an alternative. Many mentioned itero to me and I was about to purchase it and suck another monthly fee until I came by Armen’s video about medit on one of the Facebook group in 2018. I was surprised with the image and the speed and started digging more and contacted Frank to explain the scanner more. Ended purchasing it late 2018 and I’m a happy user Since after. The support is excellent, Frank is there when you need any help plus the Facebook community is there to answer anything. Recently, I attended Armen’s course to learn how to mill from the medit and I got shocked by the AI and the options that the software has. This machine is a beast and you won’t regret it getting it from Armen and Frank. They go beyond and not like other salesman or equipments where you are left behind after they sale you and finish their training. We are in 2020 and I still get the same support as I bought it in 2018.read less - 1/09/2020
Nothing but great things to say about Cad-Ray! Excellent customer support from Laura after the purchase of our Medit i500 and the cart from Damien. I’ve been very impressed with the Medit in restoring crown and bridge, as well as fixed hybrids, and...read moreNothing but great things to say about Cad-Ray! Excellent customer support from Laura after the purchase of our Medit i500 and the cart from Damien. I’ve been very impressed with the Medit in restoring crown and bridge, as well as fixed hybrids, and learning more of its capabilities each day. We have intentions to buy a second Medit shortly and will definitely be using Cad-ray again.read less - 12/13/2021
Lora Wonderly
Thank you Frank DeLuca for being so accessible and making everything right again! Customer service is above and beyond. We also love our Medit Scanner - we would be lost without it! - 1/25/2023
Susan Latimer
Cad Ray has always provided me with the best customer support for my Medit scanner. Today, I worked with Destiny. She is quick to respond and identify problems and also great at explaining how to fix them! I highly recommend this company! - 5/01/2025
Krystyna
I recently purchased Medit scanner and my assistant and I went through training with Andy. He was great, knowledgeable and patient with us. Customer service is great! - 2/05/2023
H C
I got my 3Dshape scanner, great support , my training with Destany was excellent. Great team!! - 2/15/2024
W Timothy Brooks
Excellent fast color scanner. A great improvement over my old proprietary scanner. Easy to learn software and great free technical support. - 6/18/2020
I have been suing the Medit i500 scanner for a little over 2 months now and I have had great success. I have used it for implant cases, immediate dentures and single unit crowns.
What I like the most is that the software is continuously improving ...read moreI have been suing the Medit i500 scanner for a little over 2 months now and I have had great success. I have used it for implant cases, immediate dentures and single unit crowns.
What I like the most is that the software is continuously improving and adding new features.
You really can not ask for more than that! Great product, excellent support and a software development team that listens to their customers feedback!
Very happy with my purchase!!!read less - 2/26/2020
Nothing but good things to say about CAD-Ray. All of the education, recommendations, and products they provide are truly the best in digital dentistry at the time. - 6/20/2020
Matt St George
I had 3 Cerec machines and switched to medit. It’s awesome and do not regret the switch one bit. This is the place to buy it bc Armen and Frank are a wealth of knowledge and Frank is awesome with support. He’s always there whenever I need him! - 10/10/2019
Just purchased i700 and had training with Andy.
Andy was very patient and informative . He went through everything and made sure I was comfortable with my equipment before leaving. I am really excited about this new technology. - 1/05/2023
I have had done business with these guys. I am impressed with their Amazing Customer service. John and Armen are great. I have and will order lots of stuff from them. Kudos to them!!!! - 6/19/2020
Tommy Han
Awesome service. Bought a Medit and was able to learn how to use it simply by watching Cad-Ray's support and education videos. Three thumbs up! - 6/16/2020
Mital Patel
Cad-ray has been awesome with support and training! I got the medit in 2018 and couldn’t imagine practicing without it! Armen and frank somehow seem to be available at all hours of the day, and I can typically have them remote in same day if I need a...read moreCad-ray has been awesome with support and training! I got the medit in 2018 and couldn’t imagine practicing without it! Armen and frank somehow seem to be available at all hours of the day, and I can typically have them remote in same day if I need any help.read less - 6/16/2020
Michael White
Everyone I have dealt with during the process of buying my new N4 VHF mill (which by the way is fantastic) last year to buying a new iMedit 500 scanner. Having the open type system has been a God send. No more held hostage by the 2 main systems us ...read moreEveryone I have dealt with during the process of buying my new N4 VHF mill (which by the way is fantastic) last year to buying a new iMedit 500 scanner. Having the open type system has been a God send. No more held hostage by the 2 main systems us same day crown dentists have had to deal with for years. Cad-ray made the financing a snap and the post customer support is unbelievable. Thank you everyone at Cad-Rayread less - 5/12/2020
A C
Kaila and Laura were amazing to work with. I would not hesitate to buy again from them. Super helpful/available and one of the best experiences I’ve had making such a big investment in equipment like I had to make for my practice. Way to go Cad Ray f...read moreKaila and Laura were amazing to work with. I would not hesitate to buy again from them. Super helpful/available and one of the best experiences I’ve had making such a big investment in equipment like I had to make for my practice. Way to go Cad Ray for running a solid business!read less - 11/15/2024
Gregory Camfield
These guys are 1st in class service every time! - 7/08/2022
Chase Funk
This has been awesome, to be honest I have know idea how to use it but our team members have picked it up so easy!! - 6/16/2020
Michael Dickerson
Great experience purchasing my Medit through them. Always there if I have questions too. Thanks again! - 6/16/2020
Alec Keon
I was on the fence on getting a scanner for years and finally pulled the trigger. CAD-Ray's support and knowledge has made this one of the best investments in my practice to date. When I spoke with Damien on the phone about my options he literally sa...read moreI was on the fence on getting a scanner for years and finally pulled the trigger. CAD-Ray's support and knowledge has made this one of the best investments in my practice to date. When I spoke with Damien on the phone about my options he literally saved me thousands after figuring out what my exact needs were. I went with the Medit i600, MSI laptop and 3D dental systems cart. The final product looks and feels as premium as it gets.read less - 2/21/2024
Jeffrey Martins
Service at CAD-Ray has been really great. About 6 months ago I purchased a Medit i700 scanner from them and have been really happy with it. Fortunately, I haven’t run into many problems, but if I need help they are so easy and friendly to work with. ...read moreService at CAD-Ray has been really great. About 6 months ago I purchased a Medit i700 scanner from them and have been really happy with it. Fortunately, I haven’t run into many problems, but if I need help they are so easy and friendly to work with. When my scanner did stop working, they quickly got me set up with a new one. If I have a computer question, they offer to log in and look at the computer with you. If you’re in the market for an intraoral scanner or any of their other products, I encourage you to talk with them to meet your goals. Thanks CAD-Ray!read less - 11/04/2022
Deryck Pham
best customer service on the planet. very easy to use. and always fine tuning to make the user experience better. - 6/16/2020
Dixie Jernigan
The customer service we have received while working with Frank DeLuca is second to none! He is incredibly knowledgeable and enthusiastic, as well as always available to help with any issues. We are very pleased with CAD-RAY and relationship that they...read moreThe customer service we have received while working with Frank DeLuca is second to none! He is incredibly knowledgeable and enthusiastic, as well as always available to help with any issues. We are very pleased with CAD-RAY and relationship that they have with their clients.read less - 1/25/2023
Benjamin Polan
A while ago I became interested in an intra oral scanner for my office especially for dental sleep medicine and TMJ appliances. I searched online for Medit and found cad ray. Laura from Cad-ray quickly responded and set up a zoom meeting so she could...read moreA while ago I became interested in an intra oral scanner for my office especially for dental sleep medicine and TMJ appliances. I searched online for Medit and found cad ray. Laura from Cad-ray quickly responded and set up a zoom meeting so she could demo the unit. Great job at helping me understand. She set up the financing and I got my unit. A few glitches with my internet speed and getting IT to help with my upload and download speeds and I was ready to go. Every time I had a question I texted Laura and almost like she was waiting for my call she responds. We it turned out my unit wasn't just right so she immediately responded we will replace you unit. Laura has been a joy to work with and the customer service given will only encourage me to do business with cad-ray again.
Benjamin Polan DMD, D,ABDSMread less - 8/27/2021
Can not say enough great things about Cad-Ray. Purchase an intraoral scanner from them and have had to have their support team help out a couple of times. They are top notch! I will be purchasing all of my tech they offer through them - 7/07/2022
Matt McReynolds
Great scanner (medit i500) and mill (coritec one). They were great for an open system that allows me to do just about anything. - 6/16/2020
In this article, we demonstrate how to manage a crown replacement on a second upper premolar with the Medit i500, exocad, and the imes icore CORiTEC ONE milling machine. The pre-existing crown was over 2 decades old and the recession revealed a supra-gingival margin. Furthermore, there was no room to improve the anatomy or its outline form as it was in occlusion with the opposing dentition.
A powerful design technique is the copy of the pre-existing crown. Images of the pre-op are taken while the patient is numb and its contours are copied onto the final design of the restoration. This process usually takes a minute or so, after which we milled a size 12 emax block restoration.
All milling machines have guidelines for proper cleaning and maintanance. The imes icore CORITEC ONE’s spray channels must be kept clean, otherwise they will spray off the target block materials. Essentially you will dry mill ceramic which will damage the material and break the drills very quickly.
You can see how little particles of ceramic and titanium dust can clog the lines.
Here we just used an ortho plier and orthowires to unclog the lines. It’s easiest to have the water spraying so you can identify the channels and see the immediate results.
In this article, we feature an upper left lateral crown that needed to be replaced due to recurrent decay. While the patient was getting numb, we defined the job description in the Medit i500 software and imaged the pre-existing crown, the opposing and the bite. We digitally cropped out the tooth to be prepared and proceeded with crown removal. Once the margins were refined and the tissue was displaced, we imaged the preparation in HD mode and processed the case.
Once the digital models were rendered, we launched the integrated CAD software that automatically imported the pre-op, the opposing, the prep model, and the bite. Their relationship is preserved in the CAD software and no modifications were necessary. You have two ways to copy the pre-op; one way is to program the CAD software so it replicates the pre-op perfectly while the other gives you a raw proposal that you can then choose to adapt to pre-existing situation.
Direct Import of Models into CAD Software for Design and Mill
Once the case is designed in the CAD software, you can then take it to any CAM and Milling Machine to produce a restoration. Here we milled an emax restoration with the CEREC MCXL and the imes icore CORiTEC ONE at the same time so we can compare the final results. The CEREC milling machine produced a restoration faster by about 90 seconds but the final results of the margins by the CORiTEC Machine was far superior. Also, the CAM software, Millbox in this situation, allows us to choose a third drill that is 0.6 mm in diameter. This increases milling time but results in less overmilling than the 1.2 mm burrs that milll the intaglio of the CEREC Machine.
Please, take a seat, you should not be standing while you watch this.
Artificial intelligence by Medit i500 now identifies the location of your scanbody but it also automatically launches all that proper information into CAD software for instant abutment designs. Make sure to watch both videos. Enjoy.
Few things in dentistry that can be as frustrating as seating a second molar restoration, whether you are doing same day dentistry or having a lab made prosthesis delivered. Here is a protocol we recommend that you follow to dramatically reduce surprises and post op adjustments. In this particular clinical case a zirconia crown debonded and we elected to fabricate an in-office emax restoration. The sequence is as follows:
While the patient is anesthetized and you are waiting for the onset of anesthesia, capture the opposing impression and the arch models. Trim away the prep digitally and then proceed to the buccal bite capture
Do NOT capture the bite until you verify clearance. In the sequences of videos that follow, watch how we use the Medit i500 to capture digital pictures of the clearance
Once we verify clearance, we image the bite. You have the option at this point to see how well your occlusal stamps match the digital stamps if you want to. A large deviation may mean the jaw settled or the patient moved during the bite capture. Note that unlike conventional dentistry, you capture the bite here BEFORE the prep is finalized
Once you achieve isolation you can finalize the prep and retract the tissue and capture the prep. We elected to capture the preparation in HD mode
The case is then immediately imported into the CAD software for design and fabrication
A custom titanium metal abutment is milled in such a manner where the drills DO NOT touch the connection. The type of connection is predetermined by the blank manufacturer and the cylindrical part of the abutment is milled out. This makes the symmetric geometry of the abutment a bit tricky for some to handle as indexing it properly to manage the timing of the connection is critical for easy delivery.
It is a good idea to know the exact dimension of the screw access hole. You want to set the diameter just outside the channel so that you don’t have to do a lot of post production adjustments. if it is made too thin however, you can have a mis-mill and have to repeat it. We’ve found 2.5 mm the perfect setting for the DESS titanium abutments.
With the Meditlink software you can design a case and then export the designs and take them to any milling machine of your choice. In this demonstration, we use the CORiTEC ONE to mill out the metal abutment in 45 minutes. This procedure is not intended to be a single appointment visit so timing is not critical and you don’t place undue wear and tear on the milling machine.
The crowns were milled with two different milling machines. A Celtra Duo block was used and milled with the CEREC MCXL and retrofitted to the abutment to verify the fit and accuracy. The same crown stl was milled out of Vita material in the imes icore machine. The whole point of the demonstration is that you can take scans from any intra-oral scan, take it to CAD software (in this case exocad) and then export the case and take it to any printer or milling machine of your choice. You must make sure critical information is accurately transferred from your CAD software to your CAM software, which is generally the construction / project file that accompanies the STL files of the prosthetic components
The same crown was milled out of Vita’s Suprinity material in 20 minutes with the imes-icore CORiTEC ONE. Take note of the internal adaptation of the metal abutment and the restoration and how when it is flipped upside down, the restoration does not fall out easily!
For our advanced users, we demonstrate how to plan and manage a two unit molar case so they can deliver multiple chairside restorations in a single visit. There are numerous short-cuts to this treatment protocol and we present them in great detail during our courses. The limiting factor for most doctors is that they have a single milling machine and we show our users how to balance prep and mill time so that they can complete 2 units in less than 90 minutes.
In this case however, we present two restorations that were prepared and delivered at the same time. The sequence of steps are:
Anesthetize the upper right first and second molar
While the patient is getting numb, image the arch to be prepped, image the opposing, and image the bite WITHOUT the teeth being prepared
Reduce the occlusal height of your preparation but do not image them
Check your reduction visually or with the camera function of the Medit i500
Reduce more tooth structure until you have the proper clearance for material strength
Finish refining your preparations, displace the tissue, reach hemostasis, and then crop out the area of the model that you have altered
Image the two preps into that equation. Most people turn on the HD mode for capturing the margins
For distal extension cases, we recommend that you take the second bite. While imaging the second bite (NOT the left vs right bite), if the occlusal model turns green, it is a clear Indication that the vertical has no changed from the pre-op to the prep situation and that you will have minimal post-op adjustments to make. If the second buccal bite does not register in green, it should serve as a warning to you that the vertical dimension has changed
As advanced users, you quickly recognize what areas in the model need to be closed either with imaging or with the “close hole” options during the processing step of the Meditlink software. If you are familiar with exocad or other CAD software programs you can just ignore these areas as they do not have any clinical significance whatsoever.
Once the case is designed you can mill them with your milling machine of choice. The testing of materials, fit, and milling machines are a constant at CAD-Ray.com so we milled the first molar with emax material and the MCXL and the second molar, a Celtra Duo material, was milled with the Imes Icore CORiTEC Once
An immediate post-op bitewing X-ray was taken to verify fit and to make sure that there was no excess resin cement left behind in the interproximal area. The premolar mesial to the working field also needs to be replaced and will be in the near future
At CAD-Ray, we are constantly looking for solutions that will satisfy a clinician’s needs in a dental practice. For the better part of a full year, we have been developing milling strategies that can speed up the manufacturing process and increase the longevity of the drills and the instruments used in fabrication.
In this video, we demonstrate a sample crown milling simulation where we try and place the restoration in the block to render the fastest crown in the shortest amount of time possible, with little wear on the drills.
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