多发多病程前磨牙畸形中央尖1例

A case of multiple premolars with multiple course of central cusp deformity

该文报道1例因畸形中央尖折断导致严重根尖周感染的患者,其双侧上颌第二前磨牙、下颌前磨牙共6颗牙均患畸形中央尖,而且患牙处于不同病变发展阶段,经对症处理,治疗效果良好。结合该罕见病例并回顾相关文献,总结畸形中央尖患牙的临床表现、分类和相应的治疗措施,为畸形中央尖患牙的早期诊疗和其继发病变的预防提供切实可行的方案。

This paper reports a case of one premolar with central cusp deformity associated with chronic apical periodontitis due to the frac- tured deformed central cusp. The patient had six premolars including bilateral maxillary second premolars and mandibular premolars with cen- tral cusp deformity. These teeth with different stages of disease were cured by comprehensive therapy. The relevant literature is reviewed, the clinical manifestation, classification and corresponding clinical treatment measures are summarized, feasible scheme for its early diagnosis and treatment and prevention of its secondary diseases are recommended.