Application of a Pin Technique to a Combination Design of Conventional and Resin-Bonded Prosthesis in the Maxillary Anterior Region: A Case Report

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  • Egusa Hiroshi
    Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry

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  • ピンテクニックを用いた上顎前歯部コンビネーション型接着ブリッジ症例

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Patient: An 18-year-old male visited our department with a masticatory disturbance arising from a root fracture in the maxillary left central incisor, which had to be extracted. For bridge treatment, a full-coverage porcelain fused to a metal crown was applied to the abutment tooth of the maxillary left lateral incisor because the tooth was a restored microdont. The other abutment tooth of the maxillary right central incisor was an intact tooth; therefore, a resin-bonded retainer was applied using a pin technique to strengthen the retention.<br>Discussion: Over 7 years of follow-up, no prosthetic complications were observed, and the patient was satisfied with the treatment outcome.<br>Conclusion: In the case of a resin-bonded prosthesis containing a one-sided full-coverage crown, the combined use of pin and resin-bonded techniques on the other adhesion retainer enabled minimal intervention dentistry and long-term retention of the prosthesis and resulted in high patient satisfaction.

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