Title |
Three-dimensional finite element analysis of the effects of implant diameter and photofunctionalization on peri-implant stress
|
---|---|
Published in |
Journal of Oral Science, January 2017
|
DOI | 10.2334/josnusd.16-0144 |
Pubmed ID | |
Authors |
Tetsuo Ohyama, Hiroyasu Yasuda, Norio Shibuya, Satomi Tadokoro, Shinya Nakabayashi, Shunsuke Namaki, Yaeko Hara, Takahiro Ogawa, Tomohiko Ishigami |
Abstract |
Previous finite element analyses of peri-implant stress assumed a bone-implant contact (BIC) ratio of 100%, even though the BIC ratio is known to be approximately 50% or less. However, the recent development of ultraviolet treatment of titanium immediately before use, known as photofunctionalization, significantly increased the BIC ratio, to 98.2%. We used a unique finite element analysis model that enabled us to examine the effects of different BIC ratios on peri-implant stress. A three-dimensional model was constructed under conditions of vertical or oblique loading, an implant diameter of 3.3, 3.75, or 5.0 mm, and a BIC ratio of 53.0% or 98.2%. Photofunctionalization and larger implant diameters were associated with reduced stress on surrounding tissues. Under vertical loading, photofunctionalization had a greater effect than increased implant diameter on stress reduction. Under oblique loading, increased implant diameter had a greater effect than photofunctionalization on stress reduction. |
X Demographics
Geographical breakdown
Country | Count | As % |
---|---|---|
Unknown | 1 | 100% |
Demographic breakdown
Type | Count | As % |
---|---|---|
Members of the public | 1 | 100% |
Mendeley readers
Geographical breakdown
Country | Count | As % |
---|---|---|
Unknown | 27 | 100% |
Demographic breakdown
Readers by professional status | Count | As % |
---|---|---|
Student > Ph. D. Student | 8 | 30% |
Researcher | 3 | 11% |
Student > Master | 3 | 11% |
Student > Doctoral Student | 2 | 7% |
Student > Postgraduate | 2 | 7% |
Other | 5 | 19% |
Unknown | 4 | 15% |
Readers by discipline | Count | As % |
---|---|---|
Medicine and Dentistry | 17 | 63% |
Engineering | 2 | 7% |
Materials Science | 2 | 7% |
Unspecified | 1 | 4% |
Unknown | 5 | 19% |