CASE STUDY “Certain populations have more naturally occurring protrusive profiles, African Americans being one of them. SNA tends to be several degrees higher at and the interincisal angle tends to be lower. The prevalence of tongue thrusting, Bolton Analysis discrepancies, and digit habits all must be considered.” that intertwine. 3 When the force of the tongue is forward with swallowing, spacing can occur between teeth and that can result in lips not being able to comfort-ably close. Fig. 2 MEDICAL AND DENTAL HISTORY I.P. is a 30.10-year-old African American female, who presented to the office. Her medical history was non-remarkable. There was no history of the patient currently taking prescription medications. The patient was unaware of any allergies (includ-ing nickel), and there was no history of recent or past hospitalizations. Her dental examination revealed no caries, periodontal disease, or any other form of oral pathology. She was later scheduled for an orthodontic examination, consultation and records appointment. Fig. 3 divergence. Oral hygiene was good and no digit habits were noted or present at the initial start of treat-ment. The Patients attitude toward orthodontic treatment was enthusias-tic as she was excited to begin closing the spacing between her teeth. (Fig. 2) TMJ ANALYSIS I.P. presented with an asymp-tomatic TMJ. She has no pain upon opening, closing, clicking, popping, or palpation. The patient stated that she had experienced headaches consistent with her menstrual cycle. She has a normal range of opening of 50 mm and no deviation upon opening or closing. Fig. 4 permanent teeth present with wisdom teeth having already been extracted. No current root resorp-tion is present and alveolar bone height is within normal limits as is overall root length. (Fig. 3) The Cephalometric X-ray (Fig. 4) was traced using the Dr. David Jackson Basic Analysis. I.P. had a pretreat-ment WITS of -6.4 which is within CLINICAL ANALYSIS A clinical examination of the oral pharynx revealed no airway obstruc-tion and the patient was able to breathe through both her nose and mouth. I.P. presented with a normal Curve of Spee and a normal Curve of Wilson. Her Bolton Analysis was within normal limits and her side profile revealed a moderate anterior RADIOGRAPHIC ANALYSIS The panoramic Xray revealed all www.orthodontics.com Summer 2020 9
Journal of the American Orthodontic Society Summer 2020: Page 9
