Intermittent Crystal Growth of Unusually Long Submandibular Sialolith Revealed by Micro-Focus- and Selected-Area-X-Ray Diffraction.
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- SAKAE Toshiro
- Department of Oral Histology, Nihon University School of Dentistry at Matsudo
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- AKIMOTO Yoshiaki
- Department of Oral Surgery, Nihon University School of Dentistry at Matsudo
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- KANEDA Takashi
- Department of Radiology, Nihon University School of Dentistry at Matsudo
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- FUJII Akira
- Department of Pharmacology, Nihon University School of Dentistry at Matsudo
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- UTSUNOMIYA Tadahiko
- Department of Oral Pathology, Nihon University School of Dentistry at Matsudo
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- YAMAMOTO Hirotsugu
- Department of Oral Pathology, Nihon University School of Dentistry at Matsudo
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- HARADA Takaatsu
- Department of Oral Surgery, Nihon University School of Dentistry at Matsudo
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- HiGUCHI Kazuo
- Department of Oral Surgery, Nihon University School of Dentistry at Matsudo
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- SATO Seiichi
- Department of Oral Surgery, Nihon University School of Dentistry at Matsudo
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- Racquel.Z. LeGeros
- Department of Biomaterials and Biomimetics, New York University College of Dentistry
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Abstract
BACKGROUND: Sialolith is a pathological calcification found inside salivary glands, composed principally of apatite crystals. The purpose of this study was to investigate detailed structural properties to gain insight into the formation of sialolith. METHODS: A 45 mm long sialolith from a human submandibular gland was studied using micro-FTIR and three types of X-ray diffraction (XRD) techniques: i) conventional, ii) micro-focus, and iii) “selected-area XRD” (SA-XRD). RESULTS: The longitudinal section of the sialolith showed a stratified structure perpendicular to the long axis. XRD and FTIR showed that the bulk of the sialolith was composed of carbonate hydroxyapatite. Micro-XRD revealed that crystal orientation was slightly different in each incremental zone. “SA-XRD” showed that the average unit cell dimensions of apatite crystals were different for each zone. CONCLUSION: These results suggest that the stratified structure in the sialolith was a result of intermittent and incremental additional growth reflecting compositional changes in the microenvironment.
Journal
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- Journal of Hard Tissue Biology
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Journal of Hard Tissue Biology 12 (1), 25-28, 2003
THE SOCIETY FOR HARD TISSUE REGENERATIVE BIOLOGY
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Details 詳細情報について
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- CRID
- 1390282679436114816
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- NII Article ID
- 10011440258
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- NII Book ID
- AA11074332
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- COI
- 1:CAS:528:DC%2BD3sXosF2ltLg%3D
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- ISSN
- 1880828X
- 13417649
- http://id.crossref.org/issn/13417649
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- NDL BIB ID
- 6745700
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed