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The change of rotational freedom following different insertion torques in three implant systems with implant driver.

Authors
 Joo-Hyun Kwon  ;  Chong-Hyun Han  ;  Sun-Jai Kim  ;  Jae-Seung Chang 
Citation
 JOURNAL OF ADVANCED PROSTHODONTICS, Vol.1(1) : 37-40, 2009 
Journal Title
JOURNAL OF ADVANCED PROSTHODONTICS
ISSN
 2005-7806 
Issue Date
2009
Keywords
mplant driver ; Insertion torque ; Internal connection ; Rotational freedom
Abstract
STATEMENT OF PROBLEM: Implant drivers are getting popular in clinical dentistry. Unlike to implant systems with external hex connection, implant drivers directly engage the implant/abutment interface. The deformation of the implant/abutment interface can be introduced while placing an implant with its implant driver in clinical situations.

PURPOSE: This study evaluated the change of rotational freedom between an implant and its abutment after application of different insertion torques.

MATERIAL AND METHODS: Three kinds of internal connection implants were utilized for the current study (4.5 × 12 mm Xive, 4.3 × 11.5 mm Inplant Magicgrip, 4.3 × 12 mm Implantium MF). An EstheticBase, a 2-piece top, a Dual abutment was used for its corresponding implant system. The rotational freedom between an implant and its abutment were measured before and after applying 45, 100 Ncm insertion torque. Repeated measures ANOVA was used for statistical analysis.

RESULTS: Under 45 Ncm insertion torque, the rotational freedom between an implant and its abutment was significantly increased in Xive (P = .003). However, no significant change was noted in Inplant Magicgrip and Implantium MF. Under 100 Ncm torque, both in Xive (P = .0005) and Implatium MF (P = .03) resulted in significantly increased rotational freedom between the implant and its abutment.

DISCUSSION: The design of the implant/implant driver interface effectively prevented the deformation of implant/abutment interface. Little change was noted in the rotational freedom between an implant and its abutment, even though the insertion torque was far beyond clinical application.

CONCLUSIONS: The implant/abutment joint of internally connecting implants were quite stable under insertion torque in clinical situation.
Files in This Item:
T200903439.pdf Download
DOI
10.4047/jap.2009.1.1.37
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Prosthodontics (보철과학교실) > 1. Journal Papers
Yonsei Authors
Kwon, Joo Hyun(권주현)
Kim, Sun Jai(김선재) ORCID logo https://orcid.org/0000-0002-0828-8008
Chang, Jae-Seung(장재승) ORCID logo https://orcid.org/0000-0002-6532-4773
Han, Jong Hyoun(한종현)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/105023
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