[Nasendoscopic comparison for cleft palate repair after velopharyngeal muscle reconstruction].

Objective: To find out the nasendoscopic changes of velopharyngeal configuration and movement after palatoplasty with or without velopharyngeal muscle reconstruction.

Methods: The nasendoscopy was taken in forty-one patients with palatoplasty, 22 repaired by velopharyngeal muscle reconstruction and 19 with modified von Langenbeck's procedure (non-reconstructive group).

Results: In patients with velopharyngeal muscle reconstruction, the velopharyngeal ports are smooth and full with a definite reduction in size than patients without velopharyngeal muscle reconstruction.

[A comparison of the velopharyngeal closure after palatoplasty between with or without velopharyngeal muscular reconstruction].

Objective: To evaluate the effect of palatoplasty with or without velopharyngeal muscular reconstruction on the velopharyngeal closure under the lateral radiography.

Methods: The lateral radiographs and cephalometric analysis were taken in sixty-two patients with cleft palate and velopharyngeal insufficiency, 32 repaired with velopharyngeal muscular reconstruction and 30 with modified von Langenbeck's procedure (non-reconstructive group).

Results: In patients with velopharyngeal muscular reconstruction, the velopharyngeal competence, the reductive rate of nasopharynx, the distance reduction in lower part of the mobile nasopharynx during phonation and the distance in middle part of mobile nasopharyngo in rest were superior to that without velopharyngeal muscular reconstruction, and there were variform PPW eminence-soft palate contact in velopharyngeal closure.

[Mid-premaxillary sutural distraction osteogenesis for repair of alveolus cleft: an experimental study in dogs].

Objective: To explore a new technique for repair of alveolar cleft by sutural distraction osteogenesis.

Methods: Nine 8-weeks mongrel dogs were used in this study, three being in the control group, six in the experimental group. Alveolar cleft model was created surgically in all animals.

[Sutural distraction osteogenesis for primary cleft palate repair: a preliminary clinical report].

Objective: To probe the possibility of a new technique of primary cleft palate repair by sutural distraction osteogenesis.

Methods: The distractor was made of TiNi-shape memory alloy with 2 secure and 2 active arms. Under general anesthesia, 1 hole was drilled on each maxillary process and horizontal plate of palatine.