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Palatal bone resorption in bone-anchored maxillary expander treatment
Arazm Farhangfar1, Paul Bogowicz, Giseon Heo
1Department of Agriculture, Food & Nutritional Science, Faculty of Agricultural, Life & Environmental Sciences, University of Alberta, Edmonton, Alberta, Canada.
International Orthodontics
|August 22, 2012
Summary
Bone-anchored maxillary expander (BAME) treatment effectively expands the palate without causing significant bone loss. Adolescent patients showed increased palatal perimeter with no clinically relevant bone resorption around the expander sites.
Area of Science:
- Orthodontics
- Craniofacial Biology
- Dental Implantology
Background:
- Maxillary hypoplasia often requires surgical intervention for correction.
- Bone-anchored maxillary expanders (BAME) offer a predictable method for palatal expansion.
- Understanding the effects of BAME on palatal bone is crucial for long-term stability.
Purpose of the Study:
- To evaluate the impact of BAME treatment on the palatal cortical bone in adolescent patients.
- To assess potential bone resorption associated with BAME placement and activation.
Main Methods:
- A comparative study involving 42 adolescent patients divided into BAME treatment and control groups.
- Cone-beam computed tomography (CBCT) scans were acquired at baseline and 12 months.
- Morphometric analysis of palatal landmarks was performed to measure changes.
Main Results:
- BAME treatment resulted in a significant increase in palatal perimeter after 12 months.
- Both groups exhibited minor, non-clinically significant indentations at the onplant sites.
- No substantial palatal bone resorption was observed in the BAME group.
Conclusions:
- BAME treatment is a safe and effective method for palatal expansion in adolescents.
- The treatment does not lead to clinically significant palatal bone resorption.
- BAME facilitates predictable maxillary expansion with minimal impact on palatal bone integrity.
