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KMID : 1036420100030010011
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대한치의학회 영문학회지
2010 Volume.3 No. 1 p.11 ~ p.16
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Short-term, Multi-center Prospective Clinical Study of Short Implants Measuring Less Than 7mm
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Kim Young-Kyun
Yi Yang-Jin
Kim Su-Gwan
Cho Yong-Seok
Yang Choon-Mo
Liang Po Chin
Chen Yu Yal
I Lee Long
Sim Christopher
Tan Winston
Ser Go Wee
Yue Deng
Yi Man
Ping Gong
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Abstract
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Objective : This prospective study sought to verify the stability of three types of short implants measuring 7mm or less.
Materials and methods : Implants measuring 7mm or less were placed in patients at multicenter dental clinics in Korea, China, Taiwan, and Singapore. Initial stability, intraoperative and postoperative complications, crestal bone loss, and survival rate of the implant were prospectively evaluated.
Results : The primary stability of a 6-mm implant was lower than that of a 7-mm implant. The marginal bone loss of short implants measuring less than 7mm was minimal. Complications such as wound dehiscence, implant mobility, and peri-implant mucositis developed, and these were associated with initial implant failure. The short-term survival rate of 6-mm implant was 93.7%, and that of 7-mm implant, 96.6%.
Conclusion : Short implant for the mandible with insufficient height for the residual ridge can be selectively used. Poor primary stability and wound dehiscence can cause osseointegration failure and alveolar bone loss.
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KEYWORD
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short implant, 7mm or less
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