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[Influencing factors on bone resorption after alveolar bone grafting]
1Department of Stomatology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China.
Objective:
To retrospectively study alveolar autogenous bone grafting (AABG), the success rate and the factors influencing bone resorption after the surgery for the repair of alveolar cleft.
Methods:
A retrospective analysis was performed in a group of 108 alveolar cleft patients receiving alveolar bone grafts. The method of regression was used for analysis.
Results:
The overall survival rate of AABG was 88%, clinical success rate was 60%. The major factors influencing bone resorption were: infection, age, type of cleft, functional stimulation and surgeon. The factors which did not influence bone resorption were: sex, type of surgery, teeth pulling during the surgery and the width of the cleft.
Conclusions:
Surgery at the proper age of patients, orthodontic treatment before surgery, improvement of surgical skills, necessary functional stimulation and control of infection will improve the success rate of AABG.
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