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KMID : 0360120100320030229
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Journal of the Korean Society of Maxillofacial Plastic Reconstructive Surgeons
2010 Volume.32 No. 3 p.229 ~ p.235
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Assessment of bone density on maxilla after implantation with cone beam computed tomography
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Choi Jeong-Hoon
Lee Ju-Min
Kim Yong-Deok
Shin Sang-Hun
Jung In-Kyo
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Abstract
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Purpose: This study examined the significance of increased bone density according to time after implantation on maxilla using demographic data with CBCT and compared the bone density between before vs. after implantation using the Hounsfield index.
Materials and Methods: Twenty-five implant site on maxilla were selected. Cone-beam computerized tomography (CBCT) scans were used for the analysis. The implant sites were evaluated digitally using the Hounsfield scale with EzImplant TM and the results were compared over time. Statistical data over time was carried out to determine the correlation between the recorded Hounsfield unit (HU) over time and gender difference using repeated ANOVA.
Results: The bone density of implantation site over time showed an increase in the HU mean values. Immediately after implantation, bone density was significantly increased than bone density before implantation. Until 6 month follow-up, bone density showed stable increasement. There is no significant difference on gender.
Conclusions: Using CBCT, bone density increased over time after implantation on maxilla. Bone density measurements using CBCT might provide an objective assessment of the bone quality as well as the correlation between bone density and stability of implant.
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KEYWORD
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CBCT, Dental implant, Osseointegration, DICOM
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