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KMID : 1034420180430010009
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Restorative Dentistry & Endodontics
2018 Volume.43 No. 1 p.9 ~ p.9
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A simple technique for impression taking of teeth and functionally generated paths
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Yamamoto Takatsugu
Sato Yohei
Watanabe Hidehiko
Punj Amit
Abe Minoru
Momoi Yasuko
Ohkubo Chikahiro
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Abstract
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The objective of this case report is to introduce a simple technique for simultaneously taking a closed-mouth impression and functionally generated path (FGP) for a full coverage crown restoration. A monolithic zirconia crown was the restoration of choice. An alginate impression of the abutment tooth was taken to fabricate a custom-made closed-mouth impression tray covering the abutment tooth and the adjacent teeth. The tray had an FGP table and an abutment tray in cameo and intaglio surfaces, respectively. The impression was taken with silicone impression material after adjusting the abutment tray and inscribing the FGP using self-curing acrylic resins. Plaster casts were made from the impression, and a zirconia crown was fabricated. The crown was cemented to the abutment tooth with minimal adjustments. This simple technique resulted in a well-fitting crown that accounted for mandibular movements. Using the custom closed-mouth impression tray incorporating an FGP table simultaneously aids in fabricating an accurately fitting restoration that incorporates harmonious mandibular movements using a single impression capture.
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KEYWORD
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Dental impression technique, Dental occlusion, Dental permanent restoration, Bite registration
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