الفهرس 
Evaluation of the amount of maxillary expansion after using bone borne palatal expander in conjunction with maxillary osteotomy in treatment of cleft palate patients / A Case Series
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Abstract
Aim: The aim of this study was to evaluate the effect of combining a bone- borne palatal expander with a maxillary osteotomy in the treatment of narrowed maxilla in treated cleft palate patients. The goal was to improve the amount of maxillary expansion at the anterior segment with less tipping of the segments and to provide a harmonious arch-form
.Methodology: We studied 6 patients above 12 years of age with repaired cleft palate and progressive anterior constriction of the arch. All patients receive a bone-borne distractor (UNI-Smile Distractor, Titamed, Belgium) combined with a LeFort I level osteotomy without pterygomaxillary disjunction. Dental models and CBCT
Result: All the patients who completed the trial had satisfactory expansion and normalization of the maxillary arch form. The average increase in the intercanine distance was 12.4mm while the average increase in the intermolar distance was 7.8mm. No significant change in molar inclination or buccal bone thickness was observed
Conclusion: The use of bone-borne palatal expanders aided by a maxillary osteotomy (transpalatal distraction) in treated cleft palate patients can provide aharmonious arch form in adolescent and adult patients