Importance

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Abstract

The present disclosure relates to the technical field of medical appliances, and provides a dental handpiece and a head thereof, and a root canal preparation machine. The head of the dental handpiece comprises a head housing; a movement cavity is provided in the head housing; a rotatable movement and a driving gear are provided in the movement cavity; the driving gear is sleeved on one end of the movement, and the movement can move along the axial direction of the driving gear; a reciprocating driving mechanism is further provided in the movement cavity, and the reciprocating driving mechanism is used for driving the movement to perform reciprocating movement along its own axis. Thus, when the dental handpiece of the present disclosure is used for root canal treatment, a root canal file is driven to perform reciprocating movement along its own axis by means of the reciprocating driving mechanism, and manual lifting is no longer required, thereby improving the treatment efficiency of root canal enlargement, reducing the requirements for the patient's cavity space, also facilitating the operation of root canal enlargement treatment, and improving the patient's experience of treatment.

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First Claim