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Influence of Implant Surface Coated with pH Buffering Agent on Early Osseointegration

Authors
 Joo Hyun Kang  ;  Su-Kyoung Kim  ;  Hyung Chul Pae  ;  Jin Young Park  ;  Jae-Kook Cha  ;  Seong-Ho Choi 
Citation
 Journal of Korean Dental Science, Vol.11(1) : 5-13, 2018 
Journal Title
 Journal of Korean Dental Science 
ISSN
 2005-4742 
Issue Date
2018
Keywords
Dental implants ; Hydrophobic and hydrophilic interactions ; Osseointegration ; Surface properties
Abstract
Purpose: Surface treatment with pH buffering agent has been developed to achieve higher and faster osseointegration. The aim of this study was to evaluate its influence by measuring removal torque and analyzing histological characteristics. Materials and Methods: Titanium implants with following surfaces were used in this study: sand-blasted acidetched (SA) surface (SA group as control I group), SA surface in calcium chloride aqueous solution (CA group as control II group) and SA surface coated with pH buffering agent (pH group as test group). Removal torque test after 2 weeks and bone-to-implant contact and bone area analyses at 2 and 4 weeks were performed. Result: The rotational torque values at 2 weeks were significantly higher in pH group (107.5±6.2 Ncm, P<0.05). The mean values of bone-to-implant contact at 2 and 4 weeks were both higher in pH group (93.0%±6.4% at 2 weeks, 88.6%±5.5% at 4 weeks) than in SA group (49.7%±9.7% at 2 weeks, 47.3%±20.1% at 4 weeks) and CA group (73.7%±12.4% at 2 weeks, 72.5%±10.9% at 4 weeks) with significances (P<0.05). The means of bone area showed significantly higher numbers in pH group (39.5%±11.3% at 2 weeks, 71.9%±10.9% at 4 weeks, P<0.05). Conclusion: Our findings demonstrated that surface modification with pH buffering agent improved early osseointegration with superior biomechanical property.
Files in This Item:
T999901431.pdf Download
DOI
10.5856/JKDS.2018.11.1.5
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Periodontics (치주과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Joo Hyun(강주현)
Cha, Jae Kook(차재국) ORCID logo https://orcid.org/0000-0001-6817-9834
Choi, Seong Ho(최성호) ORCID logo https://orcid.org/0000-0001-6704-6124
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/166116
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