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Original Article Clinical Evaluation about the Immediate Implant Replacement after Tooth Extraction.
Eun Young Yang, Sang Deuk Chun, Jae Hwan Rho, Seung Eun Lee, Jae Chul Song, Byung Rho Chin
Journal of Yeungnam Medical Science 2003;20(1):45-52
Published online: June 30, 2003
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Department of Dentistry, College of Medicine, Yeungnam University, Daegu, Korea.

Immediate implant placement has become an acceptable treatment for the edentulous area. The advantages of the immediate implant placement include considerable decrease in time from tooth extraction to placement of the finial prosthesis, fewer surgical procedures, and better acceptance of the overall treatment plans. But the success is dependent on the quantity and quality of the extraction socket. The purpose of this study is to evaluate the success of the immediate implant placement. MATERIALS AND METHODS: Twenty-one sites in 16 patients were selected for the evaluation of the immediate implant placement. All of the cases were followed using clinical and radiographic examinations. Criteria of success were the absence of peri-implant radiolucency, mobility, and persistent pain or sign of infection. RESULTS: Of the 21 implants, 13 implants have been succeeded. Of the 13 implants, 10 implants were replaced for the periodontal disease and 3 implants were replaced for the trauma. CONCLUSION: The criteria of the success in immediate implant placement are as follows. 1) Implants placed into fresh extraction sockets have a high rate of survival. 2) Implant should be placed as close as possible to the alveolar crest. 3) Implant placed into available bone beyond the apex have a high success rate.

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JYMS : Journal of Yeungnam Medical Science