OBJECTIVETo study the effective method of early treatment on cracked tooth.

METHODSSixty cracked teeth were randomly divided into Group A and Group B. Teeth of Group A were treated by means of occlusal adjustment and filling. Teeth of Group B were treated by employing porcelain complete veneer crown. Curative effect was evaluated every half a year and last 2 years.

RESULTSThe achievement ratio of Group A and Group B was 53.33% and 83.33%. There was significant difference between them (P<0.01).

CONCLUSIONPorcelain complete veneer crown is a better method to treat cracked tooth. It can decrease the occurrence of pulpitis and fracture.