[Clinical application of crown fragment reattachment for young permanent anterior teeth].

Tooth fragment reattachment is a conservative approach for the restorations of permanent teeth with crown fracture. Due to its high technical sensitivity, the clinical procedures and performances of fragment reattachment have long been the focus of dental clinicians. This article summarizes the indication selection, treatment strategies, and clinical procedure of fragment reattachment, and introduces the new concepts of this technique in recent years, aiming to provide guidance for the clinical application of fragment reattachment.