Search

Clear Aligners in Orthognathic Surgery Flavio Uribe. AAO June 2021. Episode 106

Play episode
Hosted by
Farooq Ahmed

Clear Aligners in Orthognathic Surgery Flavio Uribe

 

Use of aligners

·      57% – questionnaire from JCO Keim 2020

o   Previously 2014 22%, 2008 12%

·      90% of orthodontists satisfied with outcomes of aligners

·      Type of case

o   Most malocclusions

 

 

Challenges with aligners and orthognathic surgery

·      Intermaxillary fixation

o   Conventional IMF In surgery = brackets

o   Aligners – difficult as no fixed dental component

§  Use TADs for IMF Potential root damage – can be prevented using a stent

§  Positioner type surgical splint / wafer – Caminiti 2019

·      Transitioning into and out of surgery

o   Scan 2 weeks prior to surgery

§  Fit 2 weeks after surgery

o   Segmental maxillary procedure

§  Scan 4-5 weeks after surgical splint removed / Hawley type retainer

§  Wait 4 weeks to deliver aligners

 

Occlusal outcomes in orthognathic surgery and aligners

·      ABO-OGS: Invisalign = 41 Vs 28 with conventional  Robitaille 2016

·      Flavio study

o   PAR: 89% reduction to 3.5

o   ABO-OGS: Average 33 (failure of ABO-OGS)

§  Cases – mainly issue with rotations on 7s

 

Cases

·      AOB case

o   3 part maxilla

o   5 clinic appointments

 

Conclusion

·      Surgery 1st is amenable to aligner treatment

 

Author

Join the discussion

More from this show

Your subscription could not be saved. Please try again.
Your subscription has been successful.

Never miss an episode or blog!

Subscribe now