Zirconia Ceramics, Part 3: Three-Quarter Crown Preparation - Using Hollow Grind
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- Опубликовано: 4 апр 2020
- Three-quarter crowns provide a tight fit that lessens the possibility of recurring deterioration. Inlays and onlays strengthen your tooth because they are one solid piece. The fact that three-quarter crowns keep a lot of natural teeth makes them fantastic as well. In this video, Dr. Richard Stevenson demonstrates about Ceramic Three-Quarter Crown Preparation using hollow grind features to enhance resistance form.
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Ceramic Three-Quarter Crown Preparation - Hollow Grind | Part 3
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Thanks for watching! 
Кино
OMG Dr. Stevenson. Thank you so much for the video. You literally listened to my request I made in last video and provided the margins and reduction for different materials. I appreciate the online education you provide. I learn so much from your videos.
My pleasure - thank you for watching.
Absolute Genius! Thanks for giving us so much for so little. You are the best! Keep safe, please!
Will do, thank you Rodrigo!
Dr.stevenson...as usual great video.
I would like to thank you, as I used your videos as a guide for my Australia dental council exam...and cleared it.
Thank you for sharing your knowledge and technique. God bless
Hi Doctor - that is awesome! Wish you the very best, Dr. S
Thank you 🙏 😉
Very helpful and I love the points we read the points while watching the video. It help us as second language to the points and also you mentioned the burrs #. Thank you again,
Hamid
That's great to learn - thank you!
Thank you for sharing your tips. Great video.
Keep up the good work! I'm a newly qualified dentist in UK and love watching these vids.
Excellent - thank you!
Absolutely beautiful, Dr.
Thank you Doc!
beautiful preparation as usual. i really enjoy watching and re-watching the complex amalgam video. that finish was simply stellar.
Cool, thank you!
I also LOVE the complex amalgam vudeo. I have done it on acrylic tooth and I ENJOYED it. Although everybody was telling me that it's contra indicated in such extensive cavity.
@@omargad7494 Yes, I made that to show people what is possible. The clinical research behind well-placed large amalgams is very favorable. Most are not aware of these clinical trials.
Very nice video thank you very much doctor Stevenson
My pleasure doctor.
Great video, thank you!
My pleasure
Hi Dr. Stevenson, I am a first year dental student at UT Health San Antonio. I have been a proud subscriber of your channel and can vouch that this is one of the best educational dental related channels out there. I have a request that you make a veneer gold crown on #3 using mannikin with indirect vision. I found that extremely challenging to switch from doing with direct vision in the mandible to indirect vision in the maxillary teeth. Thank you so much for everything. Minh Tuan Do.
Thank you for your kind words and terrific suggestion! I will place this into the queue.
Great work keep going 🙏❤
Thank you Mohammed!
Dr. Stevenson, thank you so much for this educational video. May I ask where I could read up on the 'fillet' preparation you've mentioned in this video? I had no luck in researching this term.
We (My grad student and I) have developed this term recently for dentistry (it's a manufacturing term) and presented it in Chicago at the Academy of Operative Dentistry Meeting in February 2020 for the first time, hence, there will be no literature on this yet. I do have another video where this is discussed perhaps in more detail. ruclips.net/video/e5rD5W0wkVA/видео.html Stay tuned, as we will publish this soon
Thank you so much
You're most welcome
Fantastic video, thank you. Anywhere I can find the remaining videos from the cast gold series?
Hi, it hasn't been released yet - have been too busy with patients and teaching to get it done, but hang in there! Thank you.
Great video!!! What kind of cementation technique would you use for this sort of preparation? Is there enough retention for luting with e.g. a resin reinforced gic cement like fuji plus?
I would use resin cement and a fully bonded protocol for these types of preps. With full coverage, and adequate retention and resistance, I'm comfortable with RMGI.
Would you do this kind of conservative prep for a deep access RCT treated molar that as existing amalgam in it? Thank you!
I would.
Hi dr Stevenson, which composite did you use? Thanks in advance
For the block out? Kerr Revolution.
Sir I can't thank you enough for all your videos they are amazing and extremely educational.... It has become the best part of my day in fact 😅😅
In such preparation and if I had deep margin on proximal surface and performed Deep Margin Elevation, how would I locate the finish line ? Can I place it over the restorative material or should I extend the Prep to sound tooth structur ??
And regarding the previous part you did DME with glass ionomer. How would it bond to the resin cement of final restoration?
I'm really happy and excited that I talked to you 😅☺️
Thanks a lot and stay safe .
Hi Doctor, for DME, the objective is to place the finish line supra-gingival, and on the DME material, wether it be RMGI, GI, Compomer or Composite Resin. In all of these, you will follow your typical cementation protocol. The bond of cement to the GI materials is very high and the GI is able to mitigate the contraction stresses of the composite shrinkage really well - a very interesting physical phenomenon indeed! I prefer GI in DME because of its proven track record of seal and longevity with root surfaces. Composite Resin on the other hand has performed much less well in with the same interface. Thank you Doctor - your question and the answer should help many others!
@@StevensonDentalSolutions Thanks a lot Dr.Stevenson for your reply. See you in the next video
Sounds good!
hello Dr Stevenson. thanks for your great videos. how much reduction would you recommend for a cad cam composite full crown? there are studies that show a good resistance even at 0.5 mm axial depth preparation. would you always reduce 1.5 mm in the occlusal?
Yes, I think that 0.5 mm minimum at the axial gingival is good, as long as it is bonded. Occlusal I would use a good thickness to allow for wear - at least 1.0 mm but safer at 1.5 mm. Cool question!
@@StevensonDentalSolutions thanks a lot doctor! New technologies allow to be more conservatives
@@san5a89 So true!
Dr why do you use rubber dam during preparations?
I can imagine that being a hard thing to deal with clinically.. especially with water.
Numerous reasons - the easiest preps you'll ever do. Retracted tissues, protected airway, better contrast, enhance material properties, etc., etc.
Hello Dr
Great content as usual. Been a avid follower and learner from your videos and commentary.
Just one question how do you prefer to temporize this prep??
Great question! I usually use a pre-operative stent (I use matrix buttons, Advantage Dental) and then cement with a polycarboxylate cement (Duralon). Works great, except when you go to remove the temp, you'll need to use an ultrasonic scaler or piezo to remove the Duration sticking to the tooth.
@@StevensonDentalSolutions Thanks for the reply Dr. Can you add a demo of this technique in the current quadrant if you squeeze it in. That'll be great.
In daily clinical practice temporisation of such preps is challenging. A predictable , easily repeatable technique will really help.
Thank you once again.
If you can squeeze it in*
I will do that either in this quad or another.
@@StevensonDentalSolutions Thank you Sir!