Incisors that is, incisors, incisors to make all-ceramic crown repair is generally better to do a single, easy to daily cleanup, repair of restorations, protection of abutment teeth, etc., as follows. 1. Daily cleaning: single all-porcelain crowns can be cleaned between the normal use of dental floss, conducive to the health of periodontal tissues. 2. Repair of restorations: If the all-porcelain crowns appear porcelain chipped, broken, etc., the need to remove the crown repair or remake, you can only remove the crowns need to be repaired, the teeth caused by less trauma. 3. Protection of the abutment teeth: joint crowns can be due to poor chewing habits on the abutment teeth to produce torsion or extraction force, which may lead to loosening of the abutment teeth, the production of a single crown, this force is smaller. The same disease, the patient’s condition is different, the choice of treatment is different, it is recommended to visit the hospital for targeted treatment.