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KMID : 1004520150310040378
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Journal of Dental Rehabilitation and Applied Science
2015 Volume.31 No. 4 p.378 ~ p.386
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Mandibular implant-natural tooth retained overdenture using magnetic attachment with stress breaker
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박은철:Park Eun-Chul
이수연:Lee Su-Yeon/김희중:Kim Hee-Jung
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Abstract
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Overdenture has the advantage of improving the stability and retention of the denture but the abutment may be easily affected by caries or periodontal disease and the thin denture can be easily broken. The magnetic attachment overdenture has a high vertical retention but a low horizontal retention, thus, exerting a less disruptive force to the abutment or implant and shows less abrasion or damage compared to other mechanical retainers. Denture fractures in overdenture is caused by the thin denture base as the attachment is inserted, but it may also be caused by the difference in detrusion between soft tissue and hard tissue, and between an implant and a natural tooth. To compensate this shortcoming, a magnetic attachment with a silicone ball inserted in the magnet was developed as we report a successful case using this specific type of magnetic attachment overdenture.
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KEYWORD
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overdenture, magnet, stressbreaker
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