CE SEMINAR INFORMATION

Schedule

8:00AM – 9:00AM Registration and Continental Breakfast

9:00AM – NOON    Seminar

NOON – 1:00PM    Lunch (provided)

1:00PM – 4:00PM  Seminar


Diagnosis and Treatment of Transverse Problems

Chun-Hsi Chung, DMD, MS

Chauncey M.F. Endowed Chair

Department of Orthodontics

University of Pennsylvania School of Dental Medicine

Abstract:

Maxillary transverse deficiency is a common problem in orthodontics. It could be skeletal and/or dental origin, and is often manifested by unilateral or bilateral posterior cross bite. A patient with maxillary transverse deficiency may also show mandibular transverse deficiency, and there may or may not be cross bite present. Clinically, besides the cross bite, the intermolar width and the buccolingual inclination of maxillary and mandibular posterior teeth (Curve of Wilson) play an important role on the diagnosis of transverse deficiency. For a growing patient, the transverse facial growth is usually completed before sagittal and vertical growth. It is crucial to understand how the maxilla and mandible transverse growth takes place in making proper diagnosis and treatment planning. Nowadays with the advent of cone beam CT, the buccolingual inclination of posterior teeth and their positions in the basal bone can be easily determined. In this lecture, the transverse growth of maxillary and mandibular basal bones and dentitions, the diagnosis of transverse problems and the rationale of treatment will be discussed. In the treatment of transverse problems, rapid palatal expansion is often used to treat maxillary transverse deficiency in children. For young adult, the maxilla can still be expanded if TADs are used with the palatal expander. However, for older adults, the surgically assisted rapid palatal expansion would be needed for narrow maxilla. For the last 30 years at the University of Pennsylvania, extensive clinical studies have been conducted on the effects of rapid palatal expansion on nasomaxillary complex, which will be presented in the lecture.

Couse objectives:

  • To learn skeletal and dental transverse growth
  • To learn how to make proper diagnosis of transverse problems
  • To be familiar with the rationale and treatment of transverse problems with orthopedic appliance (RPE)
  • To learn the effects of RPE on nasomaxillary complex
  • To be familiar with the rationale and surgical treatment of transverse problems

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Mission Statement

The Middle Atlantic Society of Orthodontists shall:

  1. Promote the ethical delivery of quality orthodontic care by providing its members with educational opportunities and information regarding advances in orthodontic treatment and technology.
  2. Be an advocate for, and a representative of, all constituent members of the AAO for the purpose of making regional decisions regarding policy, budget, member services, public information and communication.