[Study of self-threading pins in the preservative restoration of teeth with large area defects].
OBJECTIVE
To investigate the application of self-threading pins in the preservative of teeth with large area defects.


METHODS
A follow-up study of 42 out of 50 patients with large area defects in vital teeth were restored by self-threading pins.


RESULTS
Among the cases that had been followed up for 5 years, except 2 upper molars which were extracted because of fraction, other cases achieved good effects.


CONCLUSIONS
Self-threading pins are very suitable to restore large area defects of teeth with healthy pulp, and can be widely used because of significant clinical effects.
Luo
C F
CF
Oral Faculty, Xiangya Hospital, Central South University, Changsha 410008, China.
Fang
C Y
CY
Que
G Y
GY
D000328:Adult; D001858:Bone Nails; D003731:Dental Caries / Q000628:therapy*; D003793:Dental Restoration, Permanent / Q000379:methods*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D018677:Tooth Injuries / Q000628:therapy*