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KMID : 0362420090470020136
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Journal of Korean Academy of Prosthodontics
2009 Volume.47 No. 2 p.136 ~ p.147
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Retrospective study of the implantium(R). implant with a SLA surface and internal connection with microthreads
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Doh Re-Mee
Moon Hong-Seok
Shim June-Sung
Lee Keun-Woo
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Abstract
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Statement of Problem: Since the introduction of the concept of osseointegration in dental implants, high long-term success rates have been achieved. Though the use of dental implants have increased dramatically, there are few studies on domestic implants with clinical and objective long-term data.
Purpose: The aim of this retrospective study was to provide long-term data on the Implantium® implant, which features a sandblasted and acid-etched surface and internal connection with microthreads.
Material and Methods: 106 Implantium® implants placed in 38 patients at Yonsei University Hospital were examined to determine the effect of various factors on implant success and marginal bone loss, through clinical and radiographic results during a 6 to 30 month period.
Results: 1. Out of a total of 106 implants placed in 38 patients, one fixture was lost, resulting in a 99.1% cumulative survival rate. 2. Among the 96 implants which were observed throughout the study period, the survival rates were 97.0% in the maxilla and 100% in the mandible. The survival rate in the posterior regions was 98.9% and 100% in the anterior regions. 3. The mean bone loss during the first year after prosthesis placement was 0.17mm, while the mean annual bone loss after the first year was 0.04 mm, which was statistically less than during the first year (P < .05). 4. There was no significant difference in marginal bone loss according to age during the first year (P> .05), but after the first year, the mean annual bone loss in patients above 50 years was significantly greater (P < .05) compared with patients under 50 years. 5. No significant difference in marginal bone loss was found according to the following factors: gender, jaw, location in the arch, type of implant (submerged or non-submerged), presence of bone grafts, type of prostheses, and type of opposing dentition (P < .05).
Conclusion: Based on these results, the sole factor influencing marginal bone loss was age, while factors such as gender, jaw, location in the arch, type of implant, presence of bone grafts, type of prostheses and type of opposing dentition had no significant effect on bone loss. In the present study, the success rate of the Implantium® implant with a SLA surface and internal connection with microthreads was satisfactory up to a maximum 30 month period, and the marginal bone loss was in accord with the success criteria of dental implants
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KEYWORD
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Implantium®, SLA surface, internal connection, survival rate, marginal bone loss
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