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Clinical Outcomes of Surgical Crown Reattachment as Treatment for Complicated Crown-Root Fractures: A Retrospective Study

Xin Zhang, MDS/Liang Xue, BDS/Weiwei Zhou, MDS/Lili Zhang, MDS/Zhenhua Gao, PhD/Songlin Wang, PhD

PMID: 37437213
DOI: 10.11607/prd.6141

This retrospective study evaluated the clinical outcomes of surgical crown reattachment in the treatment of complicated crown-root fractures in permanent teeth of 35 patients. Treatments were defined as follows: surgical crown reattachment combined with internal fixation with a fiber-reinforced core post, ostectomy, and reattachment of the original crown fragment. Patients were examined to record the periodontal pocket depth (PD), marginal bone loss, tooth migration, and coronal fragment looseness or loss. In most cases, the fracture lines on the palatal aspect were located below the alveolar crest. About 20% to 30% of teeth had periodontal pockets ≥ 3 mm present at least 1 year after surgery. Significant PD differences were observed between the traumatized teeth and adjacent untraumatized teeth at 6 months. The available evidence suggests that surgical crown reattachment is a feasible and effective technique for managing complicated crown-root fractures in permanent teeth.

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