Abstract
The present in vitro study evaluated a new drill design to improve the temperature control during the osteotomies for dental implant installation, comparing with two drill designs that use conventional external irrigation. Three blocks of synthetic cortical bone were used for osteotomy procedures. Three groups were created: control group 1 (Con1), where a conical multiple drill system with a conventional external irrigation system was used; control group 2 (Con2), where a single bur with a conventional external irrigation system was used; and, test group (Test), where the new single bur (turbo drill) with a new irrigation system was used. Twenty osteotomies were made without irrigation and with intense irrigation, for each group. A thermocouple was used to measure the temperature produced during the osteotomies. The measured temperature were: 28.9 ± 1.68 °C for group Con1; 27.5 ± 1.32 °C for group Con2; 26.3 ± 1.28 °C for group Test. Whereas, the measured temperatures with irrigation were: 23.1 ± 1.27 °C for group Con1; 21.7 ± 1.36 °C for group Con2; 19.4 ± 1.29 °C for group Test. The single drill with a new design for improving the irrigation and temperature control, in comparison with the drill designs with conventional external irrigation.
Highlights
The osteotomy protocols, regardless of the system used, determine that it should be performed with a low-temperature variation, never exceeding 47 ◦ C, as it could denature bone tissue proteins and generate necrosis in that area [1]
Bone tissue around implants histological studies have alsodrilling shown systems that the healing ofthe bone tissuecaused around implants can be can be improved when using designedresponse to reduce trauma during osteotomy improved when using drilling systems designed to reduce the trauma caused during osteotomy procedures [6,7,8]
The results showed that the new drill design was more effective in the control can be considered the most traumatic step, this topic has been the subject of several studies and of heat production during the osteotomies performed, in comparison with the other two drill systems the development of new technologies to minimize the effects of this procedure
Summary
The osteotomy protocols, regardless of the system used, determine that it should be performed with a low-temperature variation, never exceeding 47 ◦ C, as it could denature bone tissue proteins and generate necrosis in that area [1]. Several studies have been developed with different irrigation systems and with different drill designs to improve and decrease trauma during the osteotomy procedure for installing implants and, reducing inflammatory reactions [2,3,4]. Biology 2020, 9, x FOR PEER REVIEW this endonuclease and, obviously, in controlling the intensity of the inflammatory process. Bone tissue around implants histological studies have alsodrilling shown systems that the healing ofthe bone tissuecaused around implants can be can be improved when using designedresponse to reduce trauma during osteotomy improved when using drilling systems designed to reduce the trauma caused during osteotomy procedures [6,7,8]. For(continuous these findings, the methods of evaluating efficiency of the systems proposed for others These findings, methods of evaluating thetemperature efficiency of the systems proposed for performing the the most used is the evaluation of control during the procedure
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