A pack of 6 UnoDent Gates Glidden Drills No. 4. These Glidden Drills are extremely strong and durable; designed to establish access to the root canal entrance and to enlarge the opening of the crown. These drills should be used within a recommended rotary speed range of 800-1200rmp, additionally, these drills will need to be sterilised before use, between 134-137° for a minimum of 3 minutes.
Available in 32mm length size 1-6.
Exceeding this range means a loss of precision, increase in friction and heat, risking damage to the patient's mouth. Going beneath this range also risks damage to the patient, as more force will be necessary for shaping the root canal entrance.