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KMID : 0362420220600010119
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Journal of Korean Academy of Prosthodontics
2022 Volume.60 No. 1 p.119 ~ p.126
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Mini-implant with additional retentive structure by using digital method
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Hwang Su-Hyun
Bae Eun-Bin
Cho Won-Tak
Huh Jung-Bo
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Abstract
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Mini-implant has been reported as an alternative method to conventional diameter implants in the treatment of mandibular anterior region with narrow ridge. However, one-piece type mini-implant showed biological and technical complications, such as peri-implantitis by residual cement and prosthetic detachment. Recently, one-piece type mini-implant with additional retentive structure has been introduced to increase the retention and stability of the mini-implant. The mini-implant is based on spreading the upper retentive structure with a spreader and connected it with the inner surface of the zirconia prosthesis. In two cases, we tried to reduce these complications through the mini-implant on the narrow mandibular anterior region, and it was possible to reduce the overall treatment period through a digital system. In this case report, restoration using the digital mini-implant system showed improvement of patient satisfaction on the aspect of function and esthetic in the narrow mandibular anterior region.
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KEYWORD
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Dental implant, Digital scan, Mini-implant, Narrow ridge
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