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논문 기본 정보

자료유형
학위논문
저자정보

박정현 (경북대학교, 경북대학교 대학원)

지도교수
이두형.
발행연도
2020
저작권
경북대학교 논문은 저작권에 의해 보호받습니다.

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이 논문의 연구 히스토리 (2)

초록· 키워드

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Purpose: The aim of this study was to investigate the effects of soaking of laser-treated implants in 0.9% NaCl solution for 2 weeks on the surface hydrophilicity and the removal torque (RTQ) of each implant that inserted in rabbit tibia for initial healing period of 10 days.
Materials and methods: Twenty machined titanium surface screws were produced with a diameter
3 mm, length 8 mm. Ten screws had their surface treated with a laser only (laser treated group), and the other 10 were soaked in saline for 2 weeks after surface treatment with a laser(laser treated + saline soaked group). Implants were inserted in rabbit tibia (ten adult New Zealand white rabbits), and the RTQ of each implant was measured after 10 days. The wettability among implants was compared by measuring the contact angle. Surface composition and surface topography were analyzed.
Results: After 10 days, the laser treat + soaking group implants had a significantly higher mean RTQ than the laser treated implants (P = .002). There were no significant morphological differences between groups, and no remarkable differences were found between the two groups in the SEM analysis.
Conclusion: Saline soaking implants is expected to produce excellent RTQ and surface analysis results.
Keywords: Implant; Laser; Removal torque; NaCl; Wettability

목차

I. Introduction 1
II. Materials and Methods 3
III. Results 6
1. Surface analysis 6
1) Surface topography 6
2) Roughness 8
3) Contact angle 9
2. Torque values 10
IV. Discussion 12
V. Conclusions 14
VI. References 15

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