This study aims to evaluate the success of the morpho-functional restoration of a tooth with subgingival carious lesion using the modified replantation technique, which entails the rotation of the element of 180° on its axis. This study has a follow-up of 16 months. A 68-year-old man comes to rehabilitate the esthetic and the functionality of element 1.2, affected by destructive carious process extended below the gingival margin. At the clinical and radiological examination, the possibility of a conservative approach is excluded due to the total lack of healthy dental tissue to construct the ferula. It is executed the technique of modified intentional replantation, followed by a rehabilitative phase. After 16 months of follow-up, it can be appreciated the stability of the hard and soft tissue, the lack of pathological probing or symptomatology, and radiographically there is no evidence of bone or root resorption. The modified intentional replantation can be a valid alternative to the surgical lengthening of the clinical crown, to the orthodontic extrusion or to the surgical extrusion. This variation allows obtaining an apical stop during the replanting phase, which contributes to the stabilization of the element. Due to the short follow-up examination from us, further studies are necessary.
Keywords: 180°; crown lengthening; intentional replantation; orthodontic extrusion; rotation; surgical extrusion.
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