Journal List > J Korean Acad Prosthodont > v.51(3) > 1034751

Kim, Moon, Chung, and Lee: Reinforcing the retention of provisional restoration using provisional implant on maxillary anterior region: clinical case report

Abstract

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 posteriorteeth 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. (J Korean Acad Prosthodont 2013;51:221-5)

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Fig. 1.
Panoramic radiograph on first visit of the patient.
jkap-51-221f1.tif
Fig. 2.
Clinical photograph after extraction of left central incisor and canine.
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Fig. 3.
Clinical photograph after insertion of provisional implant.
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Fig. 4.
Periapical radiograph after insertion of definitive implant (3 months after
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Fig. 5.
Relined provisional prosthesis on the abutment teeth and provisional implant.
jkap-51-221f5.tif
Fig. 6.
Clinical photograph after temporary cementation.
jkap-51-221f6.tif
Fig. 7.
Clinical photograph after delivery of definitive prostheses. A: on palatal aspect, B: on facial aspect.
jkap-51-221f7.tif
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