Class II Composite Preparation - Acadental Tooth #20 DO

In this video recording, Dr. Stevenson covers the essentials of preparing the Class II Composite on tooth #20 DO on typodont with a demo on finger extension.

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Thanks for watching!

[TheVoMan]

Dr. Stevenson, you are the Bob Ross of dentists! Your videos are always super informative, clear, and relaxing. Thank you for making this video!

[bryantirawan]

I passed my WREBS but really wished I saw this video beforehand... Great video doc.

[jenniferwest]

Love it! Your videos are extremely helpful. Would love to see a video on occlusal adjustments on porcelain restorations.

[abla]

Such a great professor with amazing videos

[winniethepooh]

Gosh i hope my teachers were just like you.

[mam.a]

Another awesome video! Thank you so much.
What is the main difference between class 2 in composite and amalgam?
Any videos on the tunnel prepration?

[emyhamza]

Great videos Dr Stevenson, we would like to see videos about posts (fiber posts)

[salmanasim]

Thank you Doctor for this tutorial.
In reality, when caries is shallow but includes proximal area, do we prepare box for composite restoration or only extend enough to remove carious area? Why do we need proximal box and gingival clearance when composite provides micro mechanical retention and preserve tooth structure? Thank you in advance

[martinlaird]

Dear Dr Stevenson, I love the idea of having enamel hatchets for clearing contact points and cleaning up the proximal box. But here in Scotland we don’t use them and instead clear them using burs which to me is just asking for iatrogenic damage. I was wondering if you could do one prep video where you do it using a handpiece and particularly that stage of the prep so I can see a way of helping to minimise damage.

[delishapinto]

What would be the difference if this was an amalgam prep besides the walls being convergent?

[adilmujawar]

I would love to restore this with composite ❤❤

[drksahil]

Its really a beautiful and informative demonstration of class 2 composite. Thanks a lot Dr Stevenson, but I would like to ask one question. Some school asks for bevel on facial and lingual walls of proximal box. Can you please tell me whats the best method to do same please?
Thanks and regards.

[KHgoalkeeper]

Hello Dr. Stevenson, all of these bur uses are amazing, but I've started to noticed that small diamond high speed burs are quite common among restorative dentistry community to remove caries. I was wondering if maybe you could do a Class I/II restoration of premolars or molars of your choice? I've used them in clinic and I find that more review with this bur usage will help others. It's quite unique in that because it's a round bur, you can actually angle the bur so that it's not "perpendicular" to the occlusal plane when using say a 330 carbide bur. This would potentially increase vision when approaching occlusal surfaces of the upper arch and help with suctioning in real patients!!!

[tofusius]

If you are my professor I'd never miss your class. The lecturer we have in my college is too busy and don't teach us properly. What a waste of years, money and time.

[reynaldogomez]

Is this the same preparation for cdca on the adex tooth
Thank you

[oakamz]

Thanks for the high quality videos doc. Is there any alternative to the 330RGS for smoothing the pulpal wall in composite preps? What did you use before it was developed?

[hodasaleh]

why you made a conventional old design for class 2 composite ? I mean this design is indicated for amalgam ... thanks in advance to your amazing videos .. I learned alot from it

[jemimachatla]

Thank you so much for the wonderful prep. Doc, can you please make a video of #20 DO for amalgam. While I am trying to make the facial exit angle, it's flaring up and I am ending up with obtuse exit angle. If I am trying to avoid that, I could barely get any facial clearance and having an acute exit angle.Appreciate if you can help.

[cooldentico]

With all due respect, are we not supposed to bevel the cavo-surface line angels for composite restorations? I have been taught in my dental school in India to do so and I have been following it all my life. The rationale, to prevent micro leakage caused by the eventual disintegration of bonding agent. Please correct me if I'm wrong.

[stormraven]

For a composite prep, should the walls be divergent or convergent?