A Survey of Orthodontic Treatment in Team Care for Patients With Syndromic Craniosynostosis in Japan

Objective:To understand the actual condition of orthodontic treatment in team care for patients with syndromic craniosynostosis (SCS) in Japan.Design:A nationwide collaborative survey.Setting:Twenty-four orthodontic clinics in Japan.Patients:A total of 246 patients with SCS.Main Outcome Measure:Treatment history was examined based on orthodontic records using common survey sheets.Results:Most patients first visited the orthodontic clinic in the deciduous or mixed dentition phase. Midface advancement was performed without visiting the orthodontic clinic in about a quarter of the patients, and more than a half of the patients underwent “surgery-first” midface advancement. First-phase orthodontic treatment was carried out in about a half of the patients, and maxillary expansion and protraction were performed. Tooth extraction was required in about two-thirds of patients, and the extraction of maxillary teeth was required in most patients. Tooth abnormalities were found in 37.8% of patients, and abnormalities...