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Removal of Dental Implants using Electrocautery: A Preliminary Report

대한구강악안면임플란트학회지 2019년 23권 4호 p.196 ~ 204
박세진 ( Park Se-Jin ) - National Health Insurance Service Ilsan Hospital Department of Oral and Maxillofacial Surgery

강상훈 ( Kang Sang-Hoon ) - National Health Insurance Service Ilsan Hospital Department of Oral and Maxillofacial Surgery

Abstract


Purpose: We introduce a technique using a monopolar electrocautery unit to eliminate failed dental implant fixtures. The goal of this research was to establish a protocol of electrocautery settings when removing dental implants.

Materials and Methods: The study was conducted on fresh pork ribs. Implantium implants sized Ø4.5 × 10 mm were used. They (n = 45) were categorized into three groups according to the monopolar electric cautery power (coagulation mode) and adapted time as follows: 30 watt and 20 second (n = 15), 40 watt and 40 second (n = 15), and control group (n = 15). The torque in the removal of the implant fixtures, after monopolar electro cauterization directly inside the implant fixture, was also measured.

Results: The mean torque [unit; N·mm] during removal of the dental implant fixtures with an Elcomed implant engine, after monopolar electrocauterization directly inside the implant fixture, for each group was 296 in the 30 watt and 20 second group and 184 in the 40 watt and 40 second group. The mean torque of removal of the dental implant fixtures was 279 N·mm in the control group. The mean torque was significantly lower in the 40 watt and 40 second group than in the other groups (p = 0.006).

Conclusion: This method employs the principle of thermo-necrosis of the surrounding bone and weakening of the bone-implant interface. Monopolar electrocautery can be considered as an alternative method for the removal of failed or poorly positioned dental implants without the need of grinding the bony tissue surrounding the implant fixture.

키워드

Dental implant; Electrocautery
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