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KMID : 0362420130510030221
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Journal of Korean Academy of Prosthodontics
2013 Volume.51 No. 3 p.221 ~ p.225
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Reinforcing the retention of provisional restoration using provisional implant on maxillary anterior region: clinical case report
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Kim Chang-Dae
Moon Hong-Seok
Jeong Mun-Gyu
Lee Jae-Hoon
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Abstract
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Proper management of provisional prosthesis is key to success in prosthodontics. Provisional restoration on maxillary anterior missing area frequently come across a incident of falling off especially in patients with long span pontics and oval arch shape. This is because maxillary anterior teeth are more exposed to horizontal force than the posterior teeth and additional anterior cantilever effect will negatively affect to the retention of provisional prosthesis. Beside that maxillary anterior provisional prosthesis should provide proper incisal guidance during the mandibular functional movements. However occlusal contacts on the prosthesis in maximum intercuspal position are located on opposite side of fulcrum line of prosthesis which will cause removing force against the provisional prosthesis. This case report present that provisional implant prevent pre-described harmful effect on maxillary anterior fixed provisional prosthesis and provide comfort and satisfactory result during post-extraction healing period.
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KEYWORD
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Provisional implant, Maxillary anterior prosthesis, Long span, Implant supported fixed partial denture, Implant supported fixed dental prosthesis
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