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학제간연구 과학기술학 뇌인지과학 기술정책 기타 복합학

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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
대한구강악안면외과학회 대한구강악안면외과학회지 대한구강악안면외과학회지 제34권 제3호
발행연도
2008.1
수록면
325 - 340 (16page)

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초록· 키워드

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The purpose of this study was to evaluate the artificial dental plaque by Streptococcus mutans on 4 different implant surfaces. In this study, the specimens were divided into 4 groups according to implant surface treatment. Uncoated implant group(n=5) which has an uncoated, smooth surfaced implant(Osstem, Korea), SLA implant group(n=5) which has an sandblasted large grit and acid-etched surface implant(Bicon, USA). Oxidized implant group(n=5) which has an oxidized surfaced implant (Osstem, Korea), and RBM implant group(n=5) which has resorbable blasting media(RBM) surfaced implant(Osstem, Korea). Acquired pellicle by human saliva and dental plaque by Streptococcus mutans were made on each implant surface. To analyze the plaque condition on implants surfaces, cell count and optical density were taken as a microbiologic method, and SEM(Scanning Electronic Microscope) findings was also taken for evaluation of surface condition. The following results were obtained. 1. Cell counting results of artificial dental plaque were Uncoated group(658.0±102.0), RBM group(878.0±170.0), SLA group (946.0±42.0), Oxidized group(992.0±40.0), and there was difference between Oxidized group and Uncoated implant group(p<0.05). In case of modified cell counting results by v/w% were RBM group(197.8±45.2), Oxidized group(207.04±8.34), Uncoated group(261.6±40.6), SLA group(315.4± 14.0), and there was difference between RBM group and SLA group(p<0.05). 2. Optical density results of artificial dental plaque after ultrasonic treatment was that there was difference among groups, and optical density of RBM group was higher than that of Uncoated group(p<0.05). In case of modified optical density results by v/w%, there was difference among groups, and the modified optical density of Uncoated group and SLA group was higher than those of Oxidized group and RBM group(P>0.05). 3. SEM findings of artificial dental plaque on the surfaces of implant as follows; there were artificial dental plaque on the surfaces of all test implants. Streptococcus mutans and by-product were observed at 10,000 times magnified condition on all test implants. Adhesion area of artificial dental plaque was about 1/2 of total surface after 24 hours incubate at 37℃. These results showed that there were differences among implant surfaces on the growth of Streptococcus mutans, and bacteria and by-product were covered about 1/2 area of total implant surfaces at 24 hours incubate at 37℃.
#Artificial dental plaque #Streptococcus mutans #Implant surface

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참고문헌 (27)

참고문헌 신청
Albreksson T / 1986 / The long-term efficacy of currently used dental implants: A review and prognosis criteria for success / Int J Oral Maxillofac Implants 1 : 11 ~ 25 google schola Albrektsson T / 1986 / The long-term efficacy of currently used dental imlplants. A review of proposed criteria of sucess / Int J Oral Maxillofac Implants 1 : 11 ~ 25 google schola Bruser D / 1990 / Titanium implants with a true periodontal ligament; An alternative to osseiointergrated implants? / Int J Oral Maxillofac Implants 5 : 113 ~ 116 google schola Christersson CE / 1987 / In vitro attachment of oral microorganisms to solid surfaces / Scand J Dent Res 95 : 151 ~ 158 google schola Fijioka HY / 1987 / Adherence of streptococcus mutans to implant materials / J Biomed Mater Res 21 : 913 ~ 920 google schola

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