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KMID : 0362420200580030228
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Journal of Korean Academy of Prosthodontics
2020 Volume.58 No. 3 p.228 ~ p.238
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Fixed prosthodontic rehabilitation of maxillary posterior teeth using functionally generated path technique and intraoral digital scan: Case report
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Kim Sung-Ho
Lee Jong-Hyuk
Choi Yu-Sung
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Abstract
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In order to deliver fixed partial denture to a patient successfully, dentist must take into many considerations beforehand. Patient's occlusal pattern should be fully understood before delivering any type of prosthesis, whether it's canine guidance or group function occlusion. In order to do so, movement of mandible should be recorded precisely. Introduced by Meyers in 1933, functionally generated path technique (FGP) has been successfully used to record mandibular movement with various materials, such as wax, and utilize it in fabricating precise prosthesis. In the following cases, patients showed secondary caries or endodontic-periodontic lesion on maxillary molars. Root canal treatment and subgingival curettage were done for each patient. Since the long term prognosis of each tooth was questionable, lateral force should be minimized. In order to do so, FGP technique was used to record mandibular movements precisely. Instead of using conventional plaster impression, intra-oral scanning of wax tracing was done to fabricate prosthesis efficiently. After delivery of fixed partial denture, favorable outcome was obtained.
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KEYWORD
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Computer-aided design/computer-aided manufacturing, Fixed partial denture, Functionally generated path technique, Intraoral digital scan, Mandibular movement, Wax tracing
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