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KMID : 1004520110270030267
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Journal of Dental Rehabilitation and Applied Science
2011 Volume.27 No. 3 p.267 ~ p.275
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Clinical Comparison of Immediately Loaded and Delayed Loaded OSSTEM GS III Implant in Partially Edentulous Patients
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Kwon Min-Jung
Kim Young-Kyun
Lee Yang-Jin
Yeo In-Seong
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Abstract
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This prospective study was designed to compare clinical outcomes of immediately loaded implant with delayed loaded implant in partially posterior edentulous patients. For test group, 42 GS III (Osstem, Korea) implants in 17 patients were loaded within 48 hours after the placement. Control group was 27 implants in 15 patients loaded at from the placement surgery. Before loading, primary stability was evaluated by ISQ value. Clinical symptoms, mobility, soft tissue state was evaluated at baseline, 3 months, 6 months and 12 months of loading. Marginal bone level change was also measured with periapical radiographs. Mann-Whitney test (=0.05) and repeated measured ANOVA (=0.05) was used for marginal bone level change between two groups. At the baseline, mean ISQ value of test group and control group was and respectively. Test group showed 95.23% of success rate and 100% of control group was successful. At 3 and 6months of loading, significantly more bone resorption was observed in test group than in control group (p<0.05). However, there was no significant difference in the bone level change at 12months of loading between two groups (p>0.05). Marginal bone level change showed no significant difference with gender and location (p>0.05). Within the limitation of this study, when primary stability was obtained, immediate loading of GS III implant at posterior region could be predictable treatment option.
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KEYWORD
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dental implant, immediate loading, ISQ, marginal bone loss, prospective study, success rate
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