The Most Challenging Class II Amalgam Preparation - Columbia #4 DO
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- čas přidán 7. 09. 2024
- In this video, Dr. Richard Stevenson demonstrates about The Most Challenging Class II Amalgam Preparation - Columbia #4 DO.
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The Most Challenging Class II Amalgam Preparation - Columbia #4 DO
#stevensondentalsolutions #class2 #amalgampreparation
Thanks for watching!
Your preps are absolutely beautiful. Thanks for taking the time to make these videos, and helping dentists stay focused on the fundamentals.
Thank you Doctor.
I am very thankful for you doctor , I have been a dentist for 10 years but I learned new things from you
Awesome - I learn every day myself even after 34 years!
For me as a dentistry student in Germany that is very instructive. Thank you doctor
Great! I am so happy to read this. Best to you, Rich Stevenson
Great job and amazing cavity preparation
Thanks for the explanation and the clinical tips
Thank you
Dr Stevenson . I have to say your passion for teaching coupled with the degree of precision and detail are truly awesome. Love what you do. Thank you for sharing with the dental community
Happy to share - thank you!
Beautiful prep !! Just a suggestion Dr. Richard , it would be great if you could remove the prepared tooth from the typhodont and show us the tooth from all angles so we could get a good idea of the extension lines. Thank you and God bless you for the wonderful work you doing and for all your contribution to our field of dentistry!!
Will do! Thank you.
@@StevensonDentalSolutions Thank you sir :)
Dear Dr. Stevenson, i certainly wish to express my sincere gratitude to your efforts in preparing such great visuals for us, however, wont it be nice if you prepare things in its original sequence? What i mean to say is, if you have to perform restorations on a Nissin teeth/ typhodont why you remove them out of socket and MARK IT, PUT IT BACK into the Socket? Why don’t you please show in its original steps, because, when a dentist is going to restore teeth, well, they wont take the teeth out of the socket to mark it down? Thanks for your support
This was done to teach you how the 3D prep looks when viewing from the proximal. Watch on - you'll get our method after viewing several.
Great instructional video. I am starting dental school in a few months and am very much so looking forward to eventually developing my skills to this standard.
Awesome!
Just amazing explanation, so easily explained. Thankyou so much
Amazing every time
Thank you my friend!
Yea it was really meticulous, thanx for explanation
A pleasure.
Nice hand work.. thanks for sharing doc
Thank you Doctor
Excellent as always!
Thank you Doc
Thanks for sharing doc .. very informative
Thank you Doctor!
Thnx doc, thats was so beneficial to us
Great - thank you
Dear Dr. Stevenson,
Why is that the outlines for DO on #13 and #4 are different? This one looks more flared to me that the DO for #13 on Columbia. I tried DO #4 and really struggled with getting the right exit angles and the right amount of clearance.. I was trying to mentally follow the same outline (relatively straighter lingual extension like that for #13). I went back to this video to check where I went wrong and figured it looks different!
Also, any tips for using hatchet on both the walls of the boxes sitting at 12'o clock? I'm struggling to get a good support for my hatchet and get the right push downwards.
Thank you so much.
Best,
Adi
Dear Dr. Stevenson,
Thank you for this video! I wanted to share that whenever I make the distal proximal box in #13 or #4, I tend to make it trapezoidal in shape. I have noticed through your preps that it should be rectangular shape. What could I be doing wrong? I also tend to make the axial depth of about 2 mm in the distal box in Columbia typodont. Could you please suggest some tips to keep the axial depth proper and not make the box wide. ( With 330, 245 &56 carbide burs only)
Please throw some light on the MOD preparation for #13/ #4. 🙏 And its extension and which chair position would benefit to accomplish the task.
Thank you so much. 🙏
Best regards,
Adi
I have a new video coming soon which will address these questions - hang in there! For now, keep the 245 really close to the adjacent tooth and SEEK THE GINGIVAL CLEARANCE first, before the buccal and lingual - this seems to help. ALSO, you may wish to try a BOX ONLY prep and try to get the shape more rectangular, but be careful not to be too rectangular and undermine the enamel...Keep at it! Best wishes, Dr. S
@@StevensonDentalSolutions thank you so much. Eagerly waiting.. Have an exam coming up in Aug end so I have to really get this into a passable situation. 😅 I'll try working on your recommendations while waiting for your video.
Thank you
Dear Dr. Stevenson,
Unrelated to this video but regarding the restoration of class 2 amalgam MOD in maxillary molars. Even though I'm burnishing the band against the tooth well and maintaining a proper seal, I keep encountering an overhang on the mesial. Also, if there is no IPC available, how should I proceed with just the 1/2 Holleback to carve out the interproximal? I tried your technique to use matrix band and kind of slicing the amalgam in the Interproximal but it still looks bulky from the top and in the center.
Thank you.
Best,
Adi
Use an explorer too. Place two wedges rather than one - approach from both buccal and lingual. Remove the band immediately after condensation - don't carve with the band in place - this leads to firm amalgam interproximally and difficulties in its removal.
Thx doc as always. It seems that the teeth in your typodont are significantly softer than the ones we use in my school though.
What are you using? Kilgore, Acadental, Frasaco, or Kavo?
@@StevensonDentalSolutions pretty sure it's Kilgore
Enamel hatchet cant cut natural tooth structure as easy as this type of teeth.. 🙄🙄🙄What is the alternative??
Sharp enamel hatchets were designed for cutting enamel. We used to prepare an entire class V with nothing but hand instruments in my early days...BUT - try using sharp thin burs, even diamonds, like a needle bur with an adjacent tooth protector. Hope this helps.
Using the hatchet sometimes scares me, ive had a classmate that sheared off their buccal wall of the box using a hatchet.
Takes a very sharp hatchet and practice - mentored practice. It'll come if you work for it.
Excellent work as usual 👏
But I have a question, please
In the dove tail, you have preferred to go towards the facial surface saying it is not necessary to go lingually , but why have you chosen to go towards the facial rather than the lingual surface?!🤔
Typical design is to go facial, as these secondary grooves are usually the most prominent.
Thank you, doctor
I have a degree in engineering, idk why I am watched this lol
Dentistry is a combination of medicine and engineering. We deal with Elastic Modulus, Stress and Strain, Flexural Strengths, Sheer Strength, Thermal Expansion, Micro and Nano sized particle science, adhesion, hardness, elastic memory, tear strength, etc, etc! Welcome!
Well done sir its previlage watching you,some time we have tight contact close to papilla or extending,can we go sub gingivally only,?also if possible discuss only box shape class 2 design
We can't let the soft tissue impede the prep requirements, so yes, go sub g. I will do the box only prep soon, thank you.
@@StevensonDentalSolutions thank you so much ,stay bless and happy
Thank you again for an excellent video! I always find it awkward when using the distal GM trimmer to define the buccal wall for a DO prep for this tooth (I am a right handed operator working from 12 o'clock). Any tips to address this?
I'd use the 44s and 45s off-angle chisels - the works amazing for this. We have the off angle chisels on our website in the store.
@@StevensonDentalSolutions ok I will have a look then!
Thank you doctor for this amazing video
Excuse me I have one question
How much the depth of the box should be?
I am feeling that with Columbia typodont we need to go more gingivally to get an adequate clearance, is this true?
Thanks in advance
Yes, that is what this video is all about. The extension of the box gingivally is determined by the contact and the need to establish 0.5 mm clearance.
@@StevensonDentalSolutions thank you dear doctor
What's the name of the instrument you use for checking clearance ??
RGS 1-2 here's a link: stevensondentalsolutions.com/product/rgs-1-2/
hey dr greetings from egypt , i would like to ask you for alternative for 330 rgs bur as i cant find it her is the 245 bur is a good alternative?!
Yes, IF you spin the end of the 245 bur against a fine diamond and flatten the end, this will be close.
@@StevensonDentalSolutions sorry dr but what do you mean by spinning it against a fine diamond and faltten the end?
@@StevensonDentalSolutions you mean i make modifictions on bur or what i hit the bur against fine diamond ston and flatten the end by myself?
Omg 😍😍😍
These type of obturations are only designed for amaglama. Isn't amalgama put aside as a restoration in your country
No. Amalgam is taught in every dental school in the US and Canada as a safe and reliable material.
@@StevensonDentalSolutions thank you for the answer. In Bulgaria amalgam is slowly being denied and we are only taught of it due to developing manual skills in creating class 1,2,3 and so on preparations. Other thah that we are not allowed to obturate with it.
I can't understand dislikers🤷♂️