Combined treatment of surgical extrusion and crown lengthening procedure for severe crown-root fracture of a growing patient: a case report
Abstract Background Preservation of a healthy periodontium is critical for the long-term success of restored teeth.In cases of extensive caries, tooth fracture, inadequate crown length, and increased esthetic demands, the restorative margins need to be placed apical to the gingival margin.Violation of the biological width due to dental Shelf trauma