METHOD FOR FIXING AND TREATING CROWN-RADICULAR FRACTURES OF MULTI-ROOTED TEETH Russian patent published in 2015 - IPC A61C5/00 C22F1/10 

FIELD: medicine.

SUBSTANCE: method comprises temporary fixation of tooth fragments with aluminium bronze ligature, cavity preparation, instrumental and antiseptic treatment, formation of lock passages for a lock inlay and final fixation of the bone fragments by means of the lock inlay with two legs and tooth crown restoration. The lock passages for the lock inlay represent through holes in the fragments of the tooth crown, wherein the lock inlay is placed in the form of a waved shape-memory NiTi wire section 1.5-2.0 mm in diameter, 5-10 mm long having legs formed by ends 2-3 mm long curved at an angle of 90°-100°; before being attached to the fragment walls of the tooth crown, the lock inlay is cooled down by means of a cryoinjector; the lock inlay with its legs is unbent in a straight line and inserted into the drilled holes up to leg bends.

EFFECT: method is simple and high-effective treatment of crown-radicular fractures of multi-rooted teeth.

2 ex