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KMID : 0363020090390010027
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Journal of Korean Academy of Periodontology
2009 Volume.39 No. 1 p.27 ~ p.36
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Clinical and radiographic evaluation of implants with dual-microthread: 1-year study
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Kwon Mi-A
Jeon Yun-Kyung
Kim Yong-Deok
Lee Ju-Youn
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Abstract
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Purpose: The stability of periodontal condition and marginal bone level were important to achieve long-term success of dental implant treatment. The aim of this study was to evaluate periodontal conditions and marginal bone loss around 67 GSII(OSSTEM, Seoul, Korea) dental implants with dual-microthread at the neck portion, 1 year after prosthetic loading.
Materials and methods: Sixty-seven GS II dental implants in 27 patients(mean age; 47.4±14.0 years) who received implant treatments at Pusan National University Hospital, were included in this study. Thirteen US II(OSSTEM, Seoul, Korea) implants with smooth neck design were selected for the control group. Periodontal and radiographic evaluations were carried out at baseline, 6 months and 12 months after prosthetic loading.
Results: In the GS II group, plaque index(PI), gingival index(GI) and probing depth(PD) increased as time passed. In the US II group, GI and PD increased. Although marginal bone level was lower in the US II group in all evaluation periods, the changes between the periods were not statistically significant(p＞0.05). In each period, periodontal parameters were not statistically significant between groups.
Conclusion: One year after prosthetic loading, GS II and US II dental implants showed similar periodontal conditions and marginal bone response, and were within the criteria of success.
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KEYWORD
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Periodontal parameter, dental implant, microthread, marginal bone Loss
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