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https://hdl.handle.net/2440/95022
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Type: | Journal article |
Title: | Effect of 3 vertical facial patterns on alveolar bone quality at selected miniscrew implant sites |
Author: | Li, H. Zhang, H. Smales, R. Zhang, Y. Ni, Y. Ma, J. Wang, L. |
Citation: | Implant Dentistry, 2014; 23(1):92-97 |
Publisher: | Lippincott Williams & Wilkins |
Issue Date: | 2014 |
ISSN: | 1056-6163 1538-2982 |
Statement of Responsibility: | Hua Li, Hao Zhang, Roger J. Smales, Yang Zhang, Yuanyuan Ni, Junqing Ma, and Lin Wang |
Abstract: | OBJECTIVE: To evaluate dental alveolar bone quality among young healthy Chinese adults having 3 different vertical patterns. MATERIALS AND METHODS: Three-dimensional cone-beam computed tomography images of 101 subjects (15 low-angle, 48 average-angle, and 38 high-angle) were reconstructed. Facial alveolar cortical bone thicknesses and cortical and cancellous bone densities at 4 selected miniscrew implant sites in both arches, together with cancellous bone densities of third cervical vertebrae, were measured. Bone qualities were compared among the 3 vertical pattern groups. RESULTS: The cortical bone thicknesses at mandibular 5-6 and 6-7 and the cortical and cancellous bone densities at maxillary and mandibular 5-6 and 6-7 were generally greater in the low-angle than in the other 2 groups. There was no similar consistent vertical pattern apparent for bone quality at the 1-1 and 1-2 sites. No significant differences in bone densities for third cervical vertebrae were found among the 3 groups. CONCLUSION: Careful selection of suitable implantation sites and sizes of the miniscrews used should be made to reduce the possible occurrence of implant loosening in patients with average-angle and high-angle vertical facial patterns in particular. |
Keywords: | vertical facial pattern; alveolar bone quality; CBCT |
Rights: | © 2014 by Lippincott Williams & Wilkins |
DOI: | 10.1097/ID.0000000000000036 |
Published version: | http://dx.doi.org/10.1097/id.0000000000000036 |
Appears in Collections: | Aurora harvest 7 Dentistry publications |
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