3D reconstruction based on hard tissue microtome cross-section pictures in dentistry
The aim of this study was to examine the accuracy of the computerized 3D surface analyzing and volume measuring method in dentistry. Two different types of test objects were used in the first part of the measurements. Each sample of the two groups was cross-sectioned using a hard tissue microtome. T...
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| Veröffentlicht in: | Computer methods and programs in biomedicine 2000-10, Vol.63 (2), p.77-84 |
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| creator | Hegedűs, Csaba Flóra-Nagy, Emese Martos, Renáta Juhász, Alexander Fülöp, Ildikó Pomaházi, Sándor Nagy, István Péter Tóth, Zoltán Márton, Ildikó Keszthelyi, Gusztáv |
| description | The aim of this study was to examine the accuracy of the computerized 3D surface analyzing and volume measuring method in dentistry. Two different types of test objects were used in the first part of the measurements. Each sample of the two groups was cross-sectioned using a hard tissue microtome. The sections were photographed on both sides and were projected on a graphical tablet and analyzed using a computer program. The measured and calculated parameters were compared. In the second part, 200 μm thick horizontal sections were prepared from 11 human incisor roots using the hard tissue microtome. This way, five sections were prepared from the apical 2 mm of each root. The effects of section thickness and number were modeled by decreasing the inclusion rate of the obtained number of sections from 10 to 2 and its influence on the calculated results was determined. This method was suitable for the approximation and analysis of 3D parameters. The results indicated that using 200–300 μm section thickness, the measured values were approximately 8–21% lower than the real parameters. |
| doi_str_mv | 10.1016/S0169-2607(00)00059-6 |
| format | Article |
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Two different types of test objects were used in the first part of the measurements. Each sample of the two groups was cross-sectioned using a hard tissue microtome. The sections were photographed on both sides and were projected on a graphical tablet and analyzed using a computer program. The measured and calculated parameters were compared. In the second part, 200 μm thick horizontal sections were prepared from 11 human incisor roots using the hard tissue microtome. This way, five sections were prepared from the apical 2 mm of each root. The effects of section thickness and number were modeled by decreasing the inclusion rate of the obtained number of sections from 10 to 2 and its influence on the calculated results was determined. This method was suitable for the approximation and analysis of 3D parameters. The results indicated that using 200–300 μm section thickness, the measured values were approximately 8–21% lower than the real parameters.</description><identifier>ISSN: 0169-2607</identifier><identifier>EISSN: 1872-7565</identifier><identifier>DOI: 10.1016/S0169-2607(00)00059-6</identifier><identifier>PMID: 10960740</identifier><language>eng</language><publisher>Shannon: Elsevier Ireland Ltd</publisher><subject>Analysis of Variance ; Anatomy, Cross-Sectional ; Biological and medical sciences ; Computer aided analysis ; Computer simulation ; Computerized reconstruction ; Computerized, statistical medical data processing and models in biomedicine ; Dentistry ; Ent. Stomatology ; General aspects. Methods ; Humans ; Image Processing, Computer-Assisted - methods ; Image reconstruction ; Incisor - anatomy & histology ; Investigative techniques, diagnostic techniques (general aspects) ; Medical sciences ; Microtomy - methods ; Pathology. Cytology. Biochemistry. Spectrometry. 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Two different types of test objects were used in the first part of the measurements. Each sample of the two groups was cross-sectioned using a hard tissue microtome. The sections were photographed on both sides and were projected on a graphical tablet and analyzed using a computer program. The measured and calculated parameters were compared. In the second part, 200 μm thick horizontal sections were prepared from 11 human incisor roots using the hard tissue microtome. This way, five sections were prepared from the apical 2 mm of each root. The effects of section thickness and number were modeled by decreasing the inclusion rate of the obtained number of sections from 10 to 2 and its influence on the calculated results was determined. This method was suitable for the approximation and analysis of 3D parameters. The results indicated that using 200–300 μm section thickness, the measured values were approximately 8–21% lower than the real parameters.</description><subject>Analysis of Variance</subject><subject>Anatomy, Cross-Sectional</subject><subject>Biological and medical sciences</subject><subject>Computer aided analysis</subject><subject>Computer simulation</subject><subject>Computerized reconstruction</subject><subject>Computerized, statistical medical data processing and models in biomedicine</subject><subject>Dentistry</subject><subject>Ent. Stomatology</subject><subject>General aspects. Methods</subject><subject>Humans</subject><subject>Image Processing, Computer-Assisted - methods</subject><subject>Image reconstruction</subject><subject>Incisor - anatomy & histology</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Medical sciences</subject><subject>Microtomy - methods</subject><subject>Pathology. Cytology. Biochemistry. 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Stomatology</topic><topic>General aspects. Methods</topic><topic>Humans</topic><topic>Image Processing, Computer-Assisted - methods</topic><topic>Image reconstruction</topic><topic>Incisor - anatomy & histology</topic><topic>Investigative techniques, diagnostic techniques (general aspects)</topic><topic>Medical sciences</topic><topic>Microtomy - methods</topic><topic>Pathology. Cytology. Biochemistry. Spectrometry. 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Two different types of test objects were used in the first part of the measurements. Each sample of the two groups was cross-sectioned using a hard tissue microtome. The sections were photographed on both sides and were projected on a graphical tablet and analyzed using a computer program. The measured and calculated parameters were compared. In the second part, 200 μm thick horizontal sections were prepared from 11 human incisor roots using the hard tissue microtome. This way, five sections were prepared from the apical 2 mm of each root. The effects of section thickness and number were modeled by decreasing the inclusion rate of the obtained number of sections from 10 to 2 and its influence on the calculated results was determined. This method was suitable for the approximation and analysis of 3D parameters. 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| ispartof | Computer methods and programs in biomedicine, 2000-10, Vol.63 (2), p.77-84 |
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| language | eng |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Analysis of Variance Anatomy, Cross-Sectional Biological and medical sciences Computer aided analysis Computer simulation Computerized reconstruction Computerized, statistical medical data processing and models in biomedicine Dentistry Ent. Stomatology General aspects. Methods Humans Image Processing, Computer-Assisted - methods Image reconstruction Incisor - anatomy & histology Investigative techniques, diagnostic techniques (general aspects) Medical sciences Microtomy - methods Pathology. Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques Three-dimensional surface analysis Tissue |
| title | 3D reconstruction based on hard tissue microtome cross-section pictures in dentistry |
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