The purpose of the present study was to observe the histomorphological characteristics of radicular pulp of traumatic crown fractures in permanent incisors after partial pulpotomy, and to testify the histopathological changes in pulp tissues covered by the dentin bridge formed along the dentin walls during pulp repair.

Objective To investigate the clinical effect of one-time root canal therapy and reattachment of permanent incisors with crown fracture.

Objective To investigate the association of root canal therapy difficulty with canal anatomic factors in Chinese mandibular permanent incisors.

Anatomy and morphology of root canal of mandibular permanent incisors of Chinese in radiography;

Objective To investigate the root canal curvature in Chinese mandibular permanent incisors.

Objective:To investigate the relationship among the congenital hypodontia of mandibular incisor and malocclusion and the variation of medial distal dimension of mandibular canine.

Morphology and developmental groove of maxillary permanent central incisors in Sichuan people

Eruption time and sequence of permanent teeth and its relationship with malocclusions;

Morphology of permanent teeth of the Han Nationality;

Eruption times of permanent teeth and the relationship between the eruption of permanent teeth and the growth status of children and young adolescents in China Xi an;