Department / Institution Department of orthodontics, Chang Gung Memorial Hospital, Linkou branch
Classification Case report
This case report described the treatment of a 21-year-old female patient who cared about her missing molars space. She had #16,36,46 missing and narrow lower edentulous ridge. According to the patient's expectations, she wanted to close the missing tooth space by orthodontic treatment. We considered the treatment plan by extracting the upper left second premolars and PAOO for widening lower ridge for space closure and midline correction. The total treatment time was 2 years. Following the treatment, a stable result was achieved with ideal, static and functional occlusion.
Discussion and summary:
Patients with a narrow edentulous ridge are difficult to closure by orthodontic treatment. PAOO can widen ridge width and have regional acceleratory phenomenon to shorten treatment time. This case presented the PAOO and discussed the treatment effect and indication.
Periodontal Accelerated Osteogenic Orthodontics for Space Closure in Patients with Missing Lower Molars