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The Study of the Dental Plaque Formation on Different Implant Surfaces
Journal of the Korean Association of Oral and Maxillofacial Surgeons ; : 325-340, 2008.
Article in Korean | WPRIM | ID: wpr-101901
ABSTRACT
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(p0.05). 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 37degrees C. 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 37degrees C.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Saliva / Streptococcus mutans / Bacteria / Ultrasonics / Cell Count / Dental Plaque / Electronics / Electrons Limits: Humans Language: Korean Journal: Journal of the Korean Association of Oral and Maxillofacial Surgeons Year: 2008 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Saliva / Streptococcus mutans / Bacteria / Ultrasonics / Cell Count / Dental Plaque / Electronics / Electrons Limits: Humans Language: Korean Journal: Journal of the Korean Association of Oral and Maxillofacial Surgeons Year: 2008 Type: Article