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Thoughts on this BiMax?

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valhalar:

--- Quote from: Abdulrahman on May 21, 2019, 09:38:57 AM ---Are you sure about this part? Moving the lower teeth back, particularly the molars, is next to impossible. The alveolar bone in the lower jaw is less malleable and the lower teeth are constantly pushed forward by the upper teeth through mesial drift.

--- End quote ---
I may be wrong but I thought lower jaw surgery alone was possible in class I cases where they can buck out the upper teeth and pull back the lowers? Perhaps this is only really possible in a Class II because the overbite needs to be bad enough already. I understand they usually recommend  a double jaw surgery if the bite is Class I.

Abdulrahman:

--- Quote from: valhalar on May 22, 2019, 06:51:23 AM ---I may be wrong but I thought lower jaw surgery alone was possible in class I cases where they can buck out the upper teeth and pull back the lowers? Perhaps this is only really possible in a Class II because the overbite needs to be bad enough already. I understand they usually recommend  a double jaw surgery if the bite is Class I.

--- End quote ---

Paul Coceancig did mention a procedure where the lower teeth are pulled backward to make space for the incisors to be torqued back and improve the mentolabial angle.

Another orthodontist also mentioned a similar procedure using a skeletal anchorage system such as mini screws. I think it's called distal movement. Maybe that is the same process you were referring to and maybe it does work. If anchorage points are placed in the skeletal part of the mandible and the teeth moved very slowly maybe it can work.

PloskoPlus:
Extract 2 lower teeth, close the gaps, advance the mandible. Alternatively, if you have a steep occlusal plane, CCW rotation of the maxilla will create a bigger overjet. The maxilla can also be advanced to allow the mandible to be advanced.

korvitz:
Slightly old thread but although I've never consulted him I'll post what I know about him that nobody else here knows:

My orthodontist used to work with him closely & even co-developed IMDO with Coceancig (surprise surprise Coceancig wasn't alone despite what it seems, orthos of course usually aren't capable of doing surgery but he had some experience in maxfax so thats that) but stopped working with him due to some kind of disagreement on the surgical results Coceancig produced, eventually the relationship got bad enough that there were accusations of defamation & legal threats. Not sure what happened since I didn't ask for an indepth explanation but the but I was told that Coceancig "travels overseas on conference tours but only 1 in 10 of his results are good" or when I expressed fear about overcorrection by advancing the jaws too much "the only surgeon I know that overcorrects is Coceancig in the hopes that the patients will relapse, I told him no don't do this but the patients didn't end up relapsing & that's why I stopped working with him". Now he doesn't want to work with Coceancig anymore so much that I was almost refused treatment by my ortho since he thought I wanted surgery with Coceancig!
I wont name my ortho directly (I don't want to land him in legal hot water or have you guys annoy him with emails about IMDO) but if you look hard enough on the internet of orthos that have collaborated with Coceancig (HINT: PUBLISHED PAPERS) you will eventually find his name.


BTW for anyone in Australia considering IMDO there are actually surgeons other than Coceancig in NSW who perform it, it's just that Coceancig has an huge presence on the internet compared to these other surgeons & he seems to travel to alot of conferences to promote himself (He even managed to land a seat next to A&G in BSCOSO 2015 conference) that you don't hear about other IMDO surgeons (dunno how good these other surgeons are though). Someone on this forum who consulted Coceancig told me via DM "He does come off as car salesman" but nonethless hes does seem to be still well above average compared to average the Australian surgeon skillwise despite what my ortho warned.

Does anybody know if he does CCW with posterior downgrafting?

korvitz:
Well he isn't kidding about being serious with the term "super-bimax"

https://www.ijoms.com/article/S0901-5027(19)30614-9/abstract

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