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KMID : 1033920120080020053
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Journal of The Korean Academy of Geriatric Denstry
2012 Volume.8 No. 2 p.53 ~ p.58
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The 10-year prospective study of impants in maxillary posterior molars
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Jeong Won-Jun
Chung Chin-Hyung
Lim Sung-Bin
Hong Ki-Seok
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Abstract
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After the introduction of the osteointegration implant by Branemark in 1960s, it has been considered as a general treatment for partial or complete edentulous patients. Considering to Adell, the average bone loss of Bra??nemark implant was 1.5 mm in first year and 0.1mm in every following year. The average bone loss in a year after the abutment connection was 0.86±0.92mm and 0.1mm±0.27mm in every year after the restoration. In this study the comparisons between the successfulness and bone loss of maxillary, worse bone quality than mandible, secondary molars, the most occlusive force bearing part due to the temporal mandibular joint, were reported and the resultrs were as follows: 1. The 10-year success rate of single implant in maxillar secondary molar was 93.1%. 2. The success rate based on the length of single implant in maxillar secondary molar was 90.09% in 8.5mm, 95.45% in 10mm, 90.48% in 11.5mm, and 100% in 13mm. 3. The succss rate based on the diameter of single implant in maxillar secondary molar was 93.1% in 4.0mm and 93.1% in 5.0mm. 4. The bone loss of single implant in maxillar secondary molar in 10-year was 2.10±0.40mm in medial part, 2.08±
0.38mm in distal part, and 2.09±0.39mm in average. The single implant in maxillar secondary molar, based on such statistics, is a successful treatment and has a positive prognosis as well.
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KEYWORD
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Maxilla, single implant, 10 years
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