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Ann Maxillofac Surg. 2018 Jul-Dec;8(2):230-233. doi: 10.4103/ams.ams_163_18.

Drill Bit Guiding System for Implant Placement.

Author information

1
Department of Oral and Maxillofacial Surgery, Sri Ramakrishna Dental College and Hospital, Coimbatore, Tamil Nadu, India.

Abstract

Introduction:

The implant angulation plays a very important role in the outcome of prosthetic and functional outcome. The conventional surgical stents uses a ring system to drill the pilot drill, only the CAD printed stents provides a guide sleeves for the sequential drill for implant placement.

The Purpose of this Study:

The purpose of the study was to fabricate a drill bit guide for the stent to transfer the angulation and implant placement planned using conventional method in prescribed drilling sequence.

Material and Methods:

A surgical stent with a threaded guide ring system was fabricated with internal drill bit guiding system. The interchangeable sequential drilling allows the drill bit to be in predetermined position throughout the procedure.

Results:

The surgical stent with the drill bit guiding system provided less than 1% error with a mean deviation of 0.48%.

Conclusion:

The drill bit guide fabricated has a complete limiting system and transfers the angulation and placement as desired with very minimal or no alteration, which enables the predetermined prosthetic outcome.

KEYWORDS:

Drill bit; implant; stent

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