orthodontics In summary

Early treatment (phase 1): Topic summary AAO meeting 2022

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Join me for a summary of early treatment lectures from this years AAO meeting from May 2022. Topics will cover trauma, airway diagnosis and orthodontic treatment, and optimal timing of class 2 correction

Lectures:

  • Dental Trauma Eustaquio A. Araujo
  • Airway-centered Orthodontic Diagnosis & Treatment for Pediatric Patients Hong He
  • Predictors of Success for Early Mixed Dentition Treatment Heesoo Oh


    • Dental Trauma Eustaquio A. Araujo

    Trauma protocol

    • Reposition with firm grip
    • 16x22NT
    • Bite props to eliminate occlusal interference
    • Soft diet
    • Recall 2 weeks

      • Re-implantation of avulsion success

      • Less than 1hour 75%
      • Up to 24 hours 25%


        • Conclusion – look at the neighbours

          • Airway-centered Orthodontic Diagnosis & Treatment for Pediatric Patients Hong He

          Nasal breathing Vs mouth breathing

          • NB = Tongue rests on the palate.  MB = Tongue floor of the mouth
          • NB = Pressure of the cheeks is balanced with the tongue. MB Pressure of the cheeks is unopposed by tongue
          • NB = U shape upper arch (normal). MB = V shaped arch

            • Tonsillar hypertrophy

            • Oropharynx obstruction
            • Ventilation impaired
            • Occlusal effects
              • Tongue and mandible forwards Iwasaki 2017
              • Mandibular protrusion
                • Class 3 malocclusion
                • He’s study n=1776
                • Greater tonsillar hypertrophy in children with class 3

                  • Caution as limited studies pre-pubertal and controls also improved in scores

                  Predictors of Success for Early Mixed Dentition Treatment Heesoo Oh

                  When is it best to treat class 2 cases

                  Study: optimal timing of the effectiveness and efficiency

                  • Early class 2 equally effective not as efficient
                  • BUT
                    • Mean changes = mask individual response
                    • Philosophy – correct some / all features of malocclusion
                      • Reduce / eliminate need for phase 2
                      • Angle orthodontist Oh 2017

                        • Treatment protocol

                        • 7-9 years
                        • Headgear night wear 11 hours
                        • RME
                        • 2 x 4 fixed appliances
                        • Lingual arch
                        • Greater 33 months = unsuccessful (time only marker of success, as occlusal and skeletal the same at the end)

                          • Results

                          • 15/54 (28%) phase 1 only
                          • Comparison
                            • No differences in occlusal and skeletal outcomes
                            • Time
                              • Total treatment times (phase 1 + phase 2):
                                • 67% less than 18 months in treatment active treatment
                                • 20% 4-5 years of total treatment time


                                  • ...more
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                                  orthodontics In summaryBy Farooq Ahmed
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