Utilizing micro‐computed tomography to evaluate bone structure surrounding dental implants: A comparison with histomorphometry
Identifieur interne : 002802 ( Main/Exploration ); précédent : 002801; suivant : 002803Utilizing micro‐computed tomography to evaluate bone structure surrounding dental implants: A comparison with histomorphometry
Auteurs : Stefan Vandeweghe [Suède, Belgique] ; Paulo G. Coelho [États-Unis] ; Christian Vanhove [Belgique] ; Ann Wennerberg [Suède] ; Ryo Jimbo [Suède]Source :
- Journal of Biomedical Materials Research Part B: Applied Biomaterials [ 1552-4973 ] ; 2013-10.
Descripteurs français
- Wicri :
- topic : Biomatériau, Histologie, Titane.
English descriptors
- KwdEn :
- Apical part, Artifact, Biomaterials, Biomechanical testing, Biomed mater, Biomedical materials research, Bone architecture, Bone area, Bone morphometry, Bone response, Bone structure, Bone structures, Clin implant dent relat, Cortical bone, Dental implants, Different materials, Energy level, Gure, Histological, Histological section, Histological sections, Histology, Histomorphometry, Hydroxyapatite, Hydroxyapatite implants, Image quality, Implant, Mass attenuation, Microcomputed tomography, Online, Online issue, Other hand, Pearson correlation ranks test, Research report figure, Slice thickness, Soft spaces, Threshold level, Threshold levels, Time points, Titanium, Titanium implant, Titanium implants, Titanium inserts, Tomography, Wiley periodicals.
- Teeft :
- Apical part, Artifact, Biomaterials, Biomechanical testing, Biomed mater, Biomedical materials research, Bone architecture, Bone area, Bone morphometry, Bone response, Bone structure, Bone structures, Clin implant dent relat, Cortical bone, Dental implants, Different materials, Energy level, Gure, Histological, Histological section, Histological sections, Histology, Histomorphometry, Hydroxyapatite, Hydroxyapatite implants, Image quality, Implant, Mass attenuation, Microcomputed tomography, Online, Online issue, Other hand, Pearson correlation ranks test, Research report figure, Slice thickness, Soft spaces, Threshold level, Threshold levels, Time points, Titanium, Titanium implant, Titanium implants, Titanium inserts, Tomography, Wiley periodicals.
Abstract
Although histology has proven to be a reliable method to evaluate the ossoeintegration of a dental implant, it is costly, time consuming, destructive, and limited to one or few sections. Microcomputed tomography (µCT) is fast and delivers three‐dimensional information, but this technique has not been widely used and validated for histomorphometric parameters yet. This study compared µCT and histomorphometry by means of evaluating their accuracy in determining the bone response to two different implant materials. In total, 32 titanium (Ti) and 16 hydroxyapatite (HA) implants were installed in 16 lop‐eared rabbits. After 2 and 4 weeks, the animals were scarified, and the samples retrieved. After embedding, the samples were scanned with µCT and analyzed three‐dimensionally for bone area (BA) and bone‐implant contact (BIC). Thereafter, all samples were sectioned and stained for histomorphometry. For the Ti implants, the mean BIC was 25.25 and 28.86% after 2 and 4 weeks, respectively, when measured by histomorphometry, while it was 24.11 and 24.53% when measured with µCT. BA was 35.4 and 31.97% after 2 and 4 weeks for histomorphometry and 29.06 and 27.65% for µCT. For the HA implants, the mean BIC was 28.49 and 42.51% after 2 and 4 weeks, respectively, when measured by histomorphometry, while it was 33.74 and 42.19% when measured with µCT. BA was 30.59 and 47.17% after 2 and 4 weeks for histomorphometry and 37.16 and 44.95% for µCT. Direct comparison showed that only the 2 weeks BA for the titanium implants was significantly different between µCT and histology (p = 0.008). Although the technique has its limitations, µCT corresponded well with histomorphometry and should be considered as a tool to evaluate bone structure around implants. © 2013 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater 101B: 1259–1266, 2013.
Url:
DOI: 10.1002/jbm.b.32938
Affiliations:
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<term>Biomed mater</term>
<term>Biomedical materials research</term>
<term>Bone architecture</term>
<term>Bone area</term>
<term>Bone morphometry</term>
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<term>Clin implant dent relat</term>
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<term>Histological</term>
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<term>Histological sections</term>
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<term>Hydroxyapatite</term>
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<term>Mass attenuation</term>
<term>Microcomputed tomography</term>
<term>Online</term>
<term>Online issue</term>
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<term>Time points</term>
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<front><div type="abstract">Although histology has proven to be a reliable method to evaluate the ossoeintegration of a dental implant, it is costly, time consuming, destructive, and limited to one or few sections. Microcomputed tomography (µCT) is fast and delivers three‐dimensional information, but this technique has not been widely used and validated for histomorphometric parameters yet. This study compared µCT and histomorphometry by means of evaluating their accuracy in determining the bone response to two different implant materials. In total, 32 titanium (Ti) and 16 hydroxyapatite (HA) implants were installed in 16 lop‐eared rabbits. After 2 and 4 weeks, the animals were scarified, and the samples retrieved. After embedding, the samples were scanned with µCT and analyzed three‐dimensionally for bone area (BA) and bone‐implant contact (BIC). Thereafter, all samples were sectioned and stained for histomorphometry. For the Ti implants, the mean BIC was 25.25 and 28.86% after 2 and 4 weeks, respectively, when measured by histomorphometry, while it was 24.11 and 24.53% when measured with µCT. BA was 35.4 and 31.97% after 2 and 4 weeks for histomorphometry and 29.06 and 27.65% for µCT. For the HA implants, the mean BIC was 28.49 and 42.51% after 2 and 4 weeks, respectively, when measured by histomorphometry, while it was 33.74 and 42.19% when measured with µCT. BA was 30.59 and 47.17% after 2 and 4 weeks for histomorphometry and 37.16 and 44.95% for µCT. Direct comparison showed that only the 2 weeks BA for the titanium implants was significantly different between µCT and histology (p = 0.008). Although the technique has its limitations, µCT corresponded well with histomorphometry and should be considered as a tool to evaluate bone structure around implants. © 2013 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater 101B: 1259–1266, 2013.</div>
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