TY - JOUR
T1 - Occlusal reconstruction of a patient with ameloblastoma ablation using alveolar distraction osteogenesis
T2 - A case report
AU - Ishihara, Yoshihito
AU - Arakawa, Hikaru
AU - Nishiyama, Akiyoshi
AU - Kamioka, Hiroshi
N1 - Publisher Copyright:
© 2020 The Author(s).
PY - 2020/6/2
Y1 - 2020/6/2
N2 - Background: Ameloblastoma is one of the most common benign odontogenic neoplasms. Its surgical excision has the potential to lead to postoperative malocclusion. In this case report, we describe the successful interdisciplinary orthodontic treatment of a patient with ameloblastoma who underwent marginal mandibulectomy. Case presentation: A woman of 20-year-old was diagnosed with ameloblastoma, and underwent marginal mandibulectomy when she was 8 years of age. She had an excessive overjet (11.5 mm) and a mild open bite (- 1.5 mm) with a severely resorbed atrophic edentulous ridge in the area around the mandibular left lateral incisor, canine and first premolar. An alveolar bone defect associated with tumor resection was regenerated by vertical distraction osteogenesis (DO). Subsequently, 3 dental implants were placed into the reconstructed mandible. Orthodontic treatment using implant-anchored mechanics provided a proper facial profile with significantly improved occlusal function. The occlusion appeared stable for a 7-year retention period. Conclusions: These results suggest that surgically assisted and implant anchored-orthodontic approaches might be effective for the correction of such malocclusions.
AB - Background: Ameloblastoma is one of the most common benign odontogenic neoplasms. Its surgical excision has the potential to lead to postoperative malocclusion. In this case report, we describe the successful interdisciplinary orthodontic treatment of a patient with ameloblastoma who underwent marginal mandibulectomy. Case presentation: A woman of 20-year-old was diagnosed with ameloblastoma, and underwent marginal mandibulectomy when she was 8 years of age. She had an excessive overjet (11.5 mm) and a mild open bite (- 1.5 mm) with a severely resorbed atrophic edentulous ridge in the area around the mandibular left lateral incisor, canine and first premolar. An alveolar bone defect associated with tumor resection was regenerated by vertical distraction osteogenesis (DO). Subsequently, 3 dental implants were placed into the reconstructed mandible. Orthodontic treatment using implant-anchored mechanics provided a proper facial profile with significantly improved occlusal function. The occlusion appeared stable for a 7-year retention period. Conclusions: These results suggest that surgically assisted and implant anchored-orthodontic approaches might be effective for the correction of such malocclusions.
KW - Alveolar distraction osteogenesis
KW - Ameloblastoma
KW - Implant anchorage
KW - Postoperative malocclusion
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U2 - 10.1186/s13005-020-00227-1
DO - 10.1186/s13005-020-00227-1
M3 - Article
C2 - 32487178
AN - SCOPUS:85085909701
VL - 16
JO - Head and Face Medicine
JF - Head and Face Medicine
SN - 1746-160X
IS - 1
M1 - 12
ER -