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KMID : 0988720090250020139
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Journal of the Korean Academy of Stomatognathic Function and occlusion
2009 Volume.25 No. 2 p.139 ~ p.155
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The Biological Stability of Immediate Placement of Tapered Implants in Tooth Extraction Sites
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Park Ja Young
Pae Ah-Ran
Kim Hyeong-Seob
Kwon Kung-Rock
Lee Baek-Soo
Kwon Yong-Dae
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Abstract
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Objective: To assess the biological stability of immediate transmucosal placement of tapered implants into tooth extraction sockets.
Materials and Methods : Following tooth extraction, tapered implants were immediately placed into the sockets. Teeth with evidence of acute periapical pathology were excluded. After implant placement, sutured allowing a non-submerged, transmucosal healing. Standardized radiographs were obtained every visiting from baseline to 32 weeks after implant placment. Changes in depth of the distance from the implant shoulder (IS) and from the alveolar crest (AC) to the bottom of the defect (BD) were assessed.
Results: Thirteen patients (10 males and 3 females) were enrolled and followed. They contributed with 15 tapered implants. extraction iste displayed sufficient residual bone volume to allow primary stability of all implants. The mean surgery time was 41 ± 10.0 mins. All implants healed uneventfully yielding a survival rate of 100%. Mean ISQ values were relatively stable. Interproximal crestal bone decreased 1.69 ± 1.2 mm (mesial), 1.65 ± 1.2 mm (distal) from baseline to 32-week follow-up. No statistically significant changes with respect to FMPS, FMBS, PPD and width of KG were observed.
Conclusions: Immediate transmucosal implant placement represented a predictable treatment option for the replacement of teeth lost due to reasons including fractures, endodontic failures and caries.
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KEYWORD
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immediate implant placement, tapered implant, tranmucosal healing, crestal bone level, ISQ value
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