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Demineralized deciduous tooth as a source of bone graft material: its biological and physicochemical characteristics
- Demineralized deciduous tooth as a source of bone graft material: its biological and physicochemical characteristics
- Park, Mirae; Mah, Yon-Joo; Kim, David-Hyungjin; Kim, Eun-Suk; Park, Eun-Jin
- Ewha Authors
- 박은진; 마연주
- SCOPUS Author ID
- 박은진; 마연주
- Issue Date
- Journal Title
- ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY
- 2212-4403; 1528-395X
- vol. 120, no. 3, pp. 307 - 314
- ELSEVIER SCIENCE INC
- SCI; SCIE; SCOPUS
- Objective. To examine structural and physicochemical characteristics of demineralized deciduous tooth powder (DDTP) in relation to demineralization time and to present potential of using DDTP as a bone graft material. Study design. For structural and physicochemical analysis, scanning electron microscopy, inductively coupled plasma spectrometry, energy-dispersive X-ray analysis, X-ray diffraction analysis, differential scanning calorimetry, and Brunauer-Emmett-Teller surface area analysis were performed. In in vivo experiments, DDTP was grafted in 20 Sprague-Dawley rats' calvarial defects, and radiographic and histologic examination and histomorphometric analysis were performed. Results. In vitro studies confirmed physicochemical demands for collagen-based bone graft material, such as lowered calcium content, lowered crystallinity of hydroxyapatite, and exposed organic structures to demineralization. In vivo experiment indicated new bone formation in DDTP-grafted sites and gradual resorption of the grafted particles. Defect closure rate was significantly higher in the 8-week DDTP-grafted group compared with control (P < .05). Conclusions. Deciduous teeth had structural and physicochemical characteristics suitable for grafting with appropriate demineralization. Bone healing was observed to have successfully occurred in DDTP-grafted sites.
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