Chulalongkorn University Dental Journal

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This case report describes the intrusion of a natural tooth located between two implantsupported crowns after 7 months in function. The intruded first molar was 2.5-3 mm infraoccluded and tilted lingually. After 4 months of serial proximal contact adjustment, the intruded tooth was gradually rebounded to its normal position in complete occlusion with the opposing tooth. A new crown was fabricated for the molar to obtain the optimal proximal contact with the adjacent crowns. At the six-month follow up the tooth was still in its normal position. The potential mechanisms of tooth intrusion are described and discussed.



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