Variations in crestal cortical bone thickness at dental implant sites in different regions of the jawbone
Yi-Chun Ko
School of Dentistry, College of Medicine, China Medical University, Taichung, 404 Taiwan
Search for more papers by this authorHeng-Li Huang
School of Dentistry, College of Medicine, China Medical University, Taichung, 404 Taiwan
Department of Bioinformatics and Medical Engineering, Asia University, Taichung, 413 Taiwan
Search for more papers by this authorYen-Wen Shen
School of Dentistry, College of Medicine, China Medical University, Taichung, 404 Taiwan
Department of Dentistry, China Medical University and Hospital, Taichung, 404 Taiwan
Search for more papers by this authorJyun-Yi Cai
School of Dentistry, College of Medicine, China Medical University, Taichung, 404 Taiwan
Department of Dentistry, China Medical University and Hospital, Taichung, 404 Taiwan
Search for more papers by this authorCorresponding Author
Lih-Jyh Fuh
School of Dentistry, College of Medicine, China Medical University, Taichung, 404 Taiwan
Department of Dentistry, China Medical University and Hospital, Taichung, 404 Taiwan
These authors contributed equally to this study.
Correspondence Lih-Jyh Fuh, School of Dentistry, College of Medicine, China Medical University, 91 Hsueh-Shih Road, Taichung 40402, Taiwan. Email: [email protected]
(or)
Jui-Ting Hsu, School of Dentistry, College of Medicine, China Medical University, 91 Hsueh-Shih Road, Taichung 40402, Taiwan. Email: [email protected]; [email protected]
Search for more papers by this authorCorresponding Author
Jui-Ting Hsu
School of Dentistry, College of Medicine, China Medical University, Taichung, 404 Taiwan
Department of Bioinformatics and Medical Engineering, Asia University, Taichung, 413 Taiwan
These authors contributed equally to this study.
Correspondence Lih-Jyh Fuh, School of Dentistry, College of Medicine, China Medical University, 91 Hsueh-Shih Road, Taichung 40402, Taiwan. Email: [email protected]
(or)
Jui-Ting Hsu, School of Dentistry, College of Medicine, China Medical University, 91 Hsueh-Shih Road, Taichung 40402, Taiwan. Email: [email protected]; [email protected]
Search for more papers by this authorYi-Chun Ko
School of Dentistry, College of Medicine, China Medical University, Taichung, 404 Taiwan
Search for more papers by this authorHeng-Li Huang
School of Dentistry, College of Medicine, China Medical University, Taichung, 404 Taiwan
Department of Bioinformatics and Medical Engineering, Asia University, Taichung, 413 Taiwan
Search for more papers by this authorYen-Wen Shen
School of Dentistry, College of Medicine, China Medical University, Taichung, 404 Taiwan
Department of Dentistry, China Medical University and Hospital, Taichung, 404 Taiwan
Search for more papers by this authorJyun-Yi Cai
School of Dentistry, College of Medicine, China Medical University, Taichung, 404 Taiwan
Department of Dentistry, China Medical University and Hospital, Taichung, 404 Taiwan
Search for more papers by this authorCorresponding Author
Lih-Jyh Fuh
School of Dentistry, College of Medicine, China Medical University, Taichung, 404 Taiwan
Department of Dentistry, China Medical University and Hospital, Taichung, 404 Taiwan
These authors contributed equally to this study.
Correspondence Lih-Jyh Fuh, School of Dentistry, College of Medicine, China Medical University, 91 Hsueh-Shih Road, Taichung 40402, Taiwan. Email: [email protected]
(or)
Jui-Ting Hsu, School of Dentistry, College of Medicine, China Medical University, 91 Hsueh-Shih Road, Taichung 40402, Taiwan. Email: [email protected]; [email protected]
Search for more papers by this authorCorresponding Author
Jui-Ting Hsu
School of Dentistry, College of Medicine, China Medical University, Taichung, 404 Taiwan
Department of Bioinformatics and Medical Engineering, Asia University, Taichung, 413 Taiwan
These authors contributed equally to this study.
Correspondence Lih-Jyh Fuh, School of Dentistry, College of Medicine, China Medical University, 91 Hsueh-Shih Road, Taichung 40402, Taiwan. Email: [email protected]
(or)
Jui-Ting Hsu, School of Dentistry, College of Medicine, China Medical University, 91 Hsueh-Shih Road, Taichung 40402, Taiwan. Email: [email protected]; [email protected]
Search for more papers by this authorAbstract
Background
Dental implants have become reliable and predictable tools for treating missing teeth. The survival rate of dental implants is markedly influenced by the host bone quality and quantity of the jawbone. A better host bone provides higher initial stability of the dental implant, resulting in better osseointegration and a higher success rate. Host bone quality and quantity are determined by the crestal cortical bone thickness and inner cancellous bone density.
Objective
The purpose of this study was to determine the crestal cortical bone thickness at dental implant sites in different regions of the jawbone through the use of dental cone-beam computed tomographic (CBCT) images.
Materials and Methods
A total of 661 dental implant sites (81 in the anterior mandible, 122 in the anterior maxilla, 224 in the posterior mandible, and 234 in the posterior maxilla) were obtained from the jawbones of 173 humans. The data were subjected to statistical analysis to determine any correlation between crestal cortical bone thicknesses and jawbone regions using one-way analysis of variance with Tukey's post-test.
Results
The crestal cortical bone thicknesses at dental implant sites in the four regions decreased in the following order: posterior mandible (1.07 ± 0.47 mm, mean ± SD) >anterior mandible (0.99 ± 0.36 mm) >anterior maxilla (0.82 ± 0.30 mm) >posterior maxilla (0.75 ± 0.35 mm).
Conclusion
The dental CBCT data demonstrate that crestal cortical bone thickness varies markedly between dental implant sites in the four regions of the jawbone.
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