Search PubMed⌕ Search

Biomedical subjects

R Scott Conley

Publications and source records attributed to R Scott Conley.

4 recordsLinked to original sources
PubMed2006

Correction of severe obstructive sleep apnea with bimaxillary transverse distraction osteogenesis and maxillomandibular advancement.

Obstructive sleep apnea (OSA) can be a debilitating, even life-threatening, condition. The most favorable treatment for patients with OSA is multidisciplinary care by a team that represents various dental and medical disciplines. Prescribed therapies might include weight loss, behavior modification, oral appliances, soft tissue surgery, skeletal surgery, or some combination of approaches. When orthognathic surgery has been used, often only the anteroposterior dimension is addressed, and the transverse dimension is overlooked. The treatment presented here demonstrates the important role that transverse expansion of the maxillary and mandibular arches can have for patients with severe OSA. An initial stage of maxillary and mandibular transverse distraction osteogenesis was performed, followed immediately by fixed orthodontic treatment. After appropriate orthodontic alignment, leveling, and coordination, a second surgical stage consisting of maxillary and mandibular advancement was performed. Marked enhancements in occlusion and facial morphology, and a profound improvement in the OSA, were obtained.

Cephalometry↗
PubMed2006

Soft tissue changes after upper premolar extraction in Class II camouflage therapy.

The long-term effect on the facial profile has led many orthodontists to attempt Class II division I camouflage treatment without extraction. Practitioners may cite "dishing in the face" as a reason not to extract. Previous investigations have evaluated the soft tissue response after maxillary incisor retraction, but few have evaluated the effect of maximum retraction in skeletal mandibular deficient Class II patients with essentially no crowding. Twenty-seven Class II division I Caucasian patients with a mean of 8.62 mm of overjet, little to no arch length deficiency, and maximum anchorage requirements were treated with extraction of only maxillary first premolars. Pre- and posttreatment lateral cephalograms were taken. Using several skeletal and soft tissue cephalometric measures, the treatment changes were assessed. The mean maxillary incisor retraction was 5.27 mm, the mean maxillary lip retraction was 2.03 mm, and the mean mandibular lip retraction was 1.23 mm. All the patients finished with good overall facial harmony and balance. The maxillary first premolar extraction for orthodontic camouflage may be a viable treatment option, especially if the patient has full upper lips and only a relative mandibular deficiency.

Adolescent↗