Class II Amalgam Preparation Columbia #13 DO - Two Burs Only

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  • เผยแพร่เมื่อ 28 มิ.ย. 2024
  • This video is about Class II Amalgam Preparation Columbia #13 DO. Some tests for international programs limit the supplies given and restrict you from bringing your favorite instruments and burs. This video shows you how to manage an exam with limited armamentaria.
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ความคิดเห็น • 89

  • @James-ky7ev
    @James-ky7ev 5 ปีที่แล้ว +5

    Thank You for this very well-presented informative video! Finally I found a decent instructional video for class 2 on maxillary premolar. I'm a dental student and your videos are of big help...definitely worth subscribing.

  • @akbcnbfdj8947
    @akbcnbfdj8947 2 ปีที่แล้ว

    I have been following you from Egypt , we love you doctor , That was very helpful ❤️❤️

  • @jodyanncampbell7823
    @jodyanncampbell7823 3 ปีที่แล้ว

    Thanks Doc. Love it!

  • @narcissusjonquil6620
    @narcissusjonquil6620 5 ปีที่แล้ว

    Thank you, Doctor💚💙

  • @DannyTata
    @DannyTata 5 ปีที่แล้ว +7

    Amazing! I just finished the WREB licensing exam this past weekend, and this would have been a phenomenal addition of knowledge for my Class II preparation. A couple professors at my school say they know you; one a friend and another your classmate in dental school! The latter said you were holding a CE course sometime soon at UOP, but I wasn't able to find information on it. I would love to know if you'll be holding a course in the SF area anytime soon. Thank you for your wonderful videos!

    • @StevensonDentalSolutions
      @StevensonDentalSolutions  5 ปีที่แล้ว

      Thank you Doc - check it out: reg.abcsignup.com/reg/event_page.aspx?ek=0036-0020-4f0d72f04ca042f4aa1ae2f0eaa7eb6b

  • @stevemustafa_91
    @stevemustafa_91 4 หลายเดือนก่อน

    watching you from the UK very nicely done

  • @bonniebroadbent1129
    @bonniebroadbent1129 3 ปีที่แล้ว

    Thank u doctor, it really helped me.

  • @aliamer9926
    @aliamer9926 5 ปีที่แล้ว

    Wonderful 🙏🏻

  • @khalidahmed5903
    @khalidahmed5903 5 ปีที่แล้ว +1

    Thnx doctor plz do all.classes in this way

  • @mahdibayati3806
    @mahdibayati3806 5 ปีที่แล้ว +1

    Thanks doctor

  • @sbduggirala9486
    @sbduggirala9486 4 ปีที่แล้ว +1

    Hello Dr. Stevenson, can you please add wax up exercise video, as in Colorado bench test?
    Thank you

  • @Adi-jj5ih
    @Adi-jj5ih ปีที่แล้ว +2

    Dear Dr. Stevenson,
    Could you please explain the concept of exit angles with an example of maxillary 2nd premolar? It's a little hard for me to imagine. I tried extrapolating the concept you discussed in #30 class2 but most of the times it's a hit and miss on maxillary premolars for me. Especially with MOD cavity. It would be very helpful if you could draw the outline or perhaps sometime you could make a video on MOD #13 or #4. 🙏
    Thank you so much for being our light of knowledge.
    Best regards,
    Adi

  • @Sitiaisyah-zl5ik
    @Sitiaisyah-zl5ik 5 ปีที่แล้ว +2

    Thank you very much Dr..your video is really helpful for dental student..hope you can upload more videos on cavity preparation in the future.

  • @mam.a1229
    @mam.a1229 3 ปีที่แล้ว

    Great video from an awesome professor.
    My school doesn't provide hand.instruments 😪.
    Which bur should be used to remove undermined enamel and plan the walls?

  • @sashaaa426
    @sashaaa426 ปีที่แล้ว

    It’s so perfect

  • @iffatkhan6959
    @iffatkhan6959 5 ปีที่แล้ว

    Wowwww 👍🏻 thank you

  • @AmritpalSingh-yq1hd
    @AmritpalSingh-yq1hd 10 หลายเดือนก่อน

    Superb
    Keep it up👍

  • @dalia4014
    @dalia4014 5 ปีที่แล้ว

    Good day Dr stevenson hope everything is ok with you just want to say that because of your valuable you tubes and advices I was able to achieve a good scoring in the technical tasks don't know how to thank u but unfortunately was not able to clear the osce parts of diagnosis and clinical management and the effective communication which I really don't know how to start over again and focus on these two parts which till now don't know how to study them .as I studied hard and have all the information but was not able to arrange those information the way the wanted
    Just want to thank u again Dr and strongly encourage everyone to watch your you tubes and if you have any advice for me I really appreciate that

  • @user-rk8hz5is3z
    @user-rk8hz5is3z 3 ปีที่แล้ว +1

    Thank

  • @innatep4411
    @innatep4411 5 ปีที่แล้ว

    Great video! does the dove tail need to be extended in the same buccal position of the box? And is it recommended to start with 7 o'clock in the direct vision to do this class 2 prep?

    • @StevensonDentalSolutions
      @StevensonDentalSolutions  5 ปีที่แล้ว +1

      Not sure what you mean by the dove tail extending in the same buccal position of the box - the dave tail usually extending buccally about 0.5 mm or more towards the buccal wider than the isthmus. I's do the entire prep from 11 or 12 o'clock.

    • @innatep4411
      @innatep4411 5 ปีที่แล้ว

      Stevenson Dental Solutions Thanks! I see what u mean, the dovetail needs to extend 0.5 mm buccally, and it is not related to the box.

    • @StevensonDentalSolutions
      @StevensonDentalSolutions  5 ปีที่แล้ว

      Cool - glad this makes sense. Thank you for your question!

  • @salihayounis1508
    @salihayounis1508 ปีที่แล้ว

    Please repeat the measurement of burs and how it relate to cavity to depth and width

    • @StevensonDentalSolutions
      @StevensonDentalSolutions  ปีที่แล้ว

      330 = 1.6 mm = ideal pulpal depth minimum
      245 = 3 mm = good start to dropping proximal box, but gingival wall location is determined by need to break gingival contact.
      both the 330 and 245 are 0.8 mm wide. The axial depth, measured at the gingival is 1.2-1.4 mm which is about 1.5 x the bur width.

  • @danielkangX
    @danielkangX 3 ปีที่แล้ว

    DR. Stevenson I am having a problem with #13 DO dove tail mounted on the pole, I don't have any problem with #4 on the pole neither #13 on a table, it's very challenging with the mirror. Either dove tail gets larger or accidentally passed too far marginal ridge area leaning mesially and facially for divergence. Thank you for the videos..

    • @StevensonDentalSolutions
      @StevensonDentalSolutions  3 ปีที่แล้ว +1

      This is the time when you must use direct vision. Lean the head towards you, fully reclined, and watch the bur move directly.

  • @mam.a1229
    @mam.a1229 4 ปีที่แล้ว

    Thank you so much,amazing demonstration. My school doesn't allow hand instruments for class 2 , any advice please?

    • @StevensonDentalSolutions
      @StevensonDentalSolutions  4 ปีที่แล้ว

      Use thin burs like the 169L or even a small flame like the 7901 to achieve clearance. The rest will be with the burs as best as you can. Too bad they don't allow hand instruments! Strange.

    • @mam.a1229
      @mam.a1229 4 ปีที่แล้ว

      @@StevensonDentalSolutions thank you so much

    • @mam.a1229
      @mam.a1229 4 ปีที่แล้ว

      @@StevensonDentalSolutions for gingival clearance how to visualise the bur inclination , if it parallel to the marginal ridge it is not perpendicular to the floor

  • @Ahuromazda
    @Ahuromazda 4 ปีที่แล้ว

    Dr; what should the angles be of the lingual and buccal walls on the distal surface?

    • @StevensonDentalSolutions
      @StevensonDentalSolutions  3 ปีที่แล้ว

      The same - 90 degrees relative to the unprepared surface or minimally flared.

  • @ddq123
    @ddq123 3 ปีที่แล้ว

    I wish i could use hatchets this well.

  • @jessahmaelargo8874
    @jessahmaelargo8874 3 ปีที่แล้ว

    What is the thickness of the proximal box from axial wall to outwards doc

    • @StevensonDentalSolutions
      @StevensonDentalSolutions  3 ปีที่แล้ว +1

      1.2-1.4 mm on plastic teeth and 0.5 mm into dentin on real teeth (at least 1.0 mm) This measurement is termed the "Axial Depth."

  • @mam.a1229
    @mam.a1229 3 ปีที่แล้ว

    Do you the occlusal lock distal to the buccal fissure? Thanks

  • @younusaltaie1077
    @younusaltaie1077 3 ปีที่แล้ว

    May I know if you are inclining the bur when you are doing the buccal wall?

    • @StevensonDentalSolutions
      @StevensonDentalSolutions  3 ปีที่แล้ว +1

      Yes, just enough to compensate for the convergent nature of the bur in order to create an orthogonal gingival buccal angle.

  • @Adi-jj5ih
    @Adi-jj5ih ปีที่แล้ว

    Dear Dr. Stevenson,
    Could you please share some tips to finish the class 2? Most schools don't provide slow speed for exams in that case what is the best way to get a nice and smooth surface in class 2? Many times my line angles in the box don't look defined and the occlusal cavosurface margins look sharp as well. I have tried running 330 in low speed (high speed handpiece with low foot pedal pressure) but it still doesn't look smooth.. the fear of widening the isthmus is of course present. Hatchet leaves scratches too. Someone suggested I try using dull burs like 245 to polish the prep. Haven't tried it yet.
    I know one school that might give us a slow speed handpiece but I haven't ever practiced in that setting. Would you suggest I give it a shot directly in the exam?
    Eagerly waiting for your MOD preparation guidance on #13/ #4. 🙏
    Thank you so much for clearing so many of my doubts. 🙏
    Best regards ,
    Adi

    • @StevensonDentalSolutions
      @StevensonDentalSolutions  ปีที่แล้ว +1

      I've never found that dull burs are a good idea for smoothing - but rather sharp burs with a feather or brush stroke - aimed at the sharp areas, not the entire wall.

  • @afrozekhan2269
    @afrozekhan2269 3 ปีที่แล้ว

    Hi Dr,
    for class 2 proximal box, buccal wall needs to be convergent relative to gingival and lingual wall at right angle to the gingival in the upper premolars and molars as well just like the lowers?

    • @StevensonDentalSolutions
      @StevensonDentalSolutions  3 ปีที่แล้ว

      Not exactly. For maxillary teeth the lingual wall is convergent relative to the gingival wall. The facial wall forms a right angle with the gingival wall. For mandibular teeth the lingual wall forms a right angle with the gingival wall, while the buccal wall is convergent relative to the gingival forming an acute angle. Easiest way to remember this principle is that the wall adjacent to the functional cusp is always convergent.

    • @afrozekhan2269
      @afrozekhan2269 3 ปีที่แล้ว

      @@StevensonDentalSolutions perfect 👍..thanks alot!

    • @sadaftaheri5555
      @sadaftaheri5555 ปีที่แล้ว

      @@StevensonDentalSolutions hello Dr. Thank you for the great videos. so, are you saying one wall should be parallel to the gingival wall and one wall should be convergent?(as it has an acute angle?)

    • @sadaftaheri5555
      @sadaftaheri5555 ปีที่แล้ว

      because in this case, only one wall would be convergent and the other not, am i right?

  • @innatep4411
    @innatep4411 5 ปีที่แล้ว +1

    why divergent the dovetail?

  • @priyasanjeev4640
    @priyasanjeev4640 3 ปีที่แล้ว

    Can you pls make a video of upper premolar amalgam cusp build up

  • @mam.a1229
    @mam.a1229 3 ปีที่แล้ว

    I struggle with the buccal wall of the box as.it is always divergent. Any advice

    • @StevensonDentalSolutions
      @StevensonDentalSolutions  3 ปีที่แล้ว

      Look from the mesial while refining and visualize the bur straight up and down.

  • @hjk-gp9jm
    @hjk-gp9jm 3 ปีที่แล้ว

    what is the best type of typodont to use if university doesn't say any type specifically?

  • @AzizAkmal
    @AzizAkmal 4 ปีที่แล้ว +1

    what is the function of 330 bur and 245 bur?

    • @StevensonDentalSolutions
      @StevensonDentalSolutions  4 ปีที่แล้ว +2

      330 Occlusal - pulpal depth, convergence and outline. 245 Proximal box.

  • @afrozekhan2269
    @afrozekhan2269 4 ปีที่แล้ว

    Hi..how wide should the proximal box be buccolingually and mesiodistally?

    • @StevensonDentalSolutions
      @StevensonDentalSolutions  4 ปีที่แล้ว

      Thank you for the question!
      The buccolingual dimension is determined by the contact area and the need to break contact, by 0.3-0.5 (ideally). The mesiodistal dimension is determined by the need to prepare into dentin on the axial wall and to go at least 1 mm. Since this is a plastic tooth, the measurement for the gingival width (the proper term is axial depth) should be 1-1.5 mm at the gingival, but I recommend 1.2-1.4 mm to be within the ideal range. You didn't ask about the occlusogingival dimension but I'll add this information too: the gingival wall is located 0.5-1.0 mm apical to the contact area. So you can see there is no standard measurement for the box - it is entirely dictated by its environment.

    • @afrozekhan2269
      @afrozekhan2269 4 ปีที่แล้ว

      @@StevensonDentalSolutions thankyou so much!

  • @momo9594
    @momo9594 5 ปีที่แล้ว

    Hi all, I'm 4 month away from the practical part of my exam to get my approbation (Germany).
    I need your help to figure out a little problem I have (teeth, phantom head, armamentarium are not a problem).
    In the exam we are required to work with water cooling, yet all the dental motors don't have that option, anyone got an Idea how I can get a water cooling setup at home? (without ruining my self too much).
    Thx.

    • @StevensonDentalSolutions
      @StevensonDentalSolutions  5 ปีที่แล้ว +1

      There are many systems online (eBay) that sell water systems, however, water collection becomes the challenge...You may be able to use an extra large rubber glove around the typodont to collect the water.

    • @momo9594
      @momo9594 5 ปีที่แล้ว

      @@StevensonDentalSolutions thx doc, the water ist collected in phantom head (Frasaco). But could you be a bit specific about the system, or build references?

  • @ais_h_u
    @ais_h_u 2 ปีที่แล้ว +1

    Me watching this just before doing on patient 💀💀 my typho work never completed coz of covid in 2020 and now I'm in final year and have to do real patients 🤡🥺🥺 Thanks for video

  • @thaongo3930
    @thaongo3930 ปีที่แล้ว