ENDOFILE FOR ENDODONTIC TOOTH TREATMENT Russian patent published in 2018 - IPC A61C5/42 A61C5/46 A61C5/50 

FIELD: medicine.

SUBSTANCE: endofile for tooth cavity treatment contains a head portion, a tissue removal portion, and a load distribution portion. The head portion, inserted into the drill tip, is detachably mounted therein. The tissue removal portion introduced into the root canal of the patient's tooth to remove the dental nerve is located below the head portion. The load distribution portion located between the head portion and the tissue removal portion has at least one through horizontal opening to prevent and smoothen the stress concentration during endofile rotation and minimize the risk of endofile failure.

EFFECT: invention allows to effectively distribute the load throughout the endofile due to a uniform transfer of torque from the head to the end of the tissue removal portion.

4 cl, 6 dwg