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Dent. J. 2018, 6(2), 12; https://doi.org/10.3390/dj6020012

The Use of Tooth Particles as a Biomaterial in Post-Extraction Sockets. Experimental Study in Dogs

1
Faculty of Health Sciences, Universidad Católica de Murcia (UCAM), Campus de los Jerónimos N° 135, Guadalupe, 30107 Murcia, Spain
2
Department of Epidemiology, Universidad Católica de Murcia (UCAM), 30107 Murcia, Spain
3
Faculty of Health Sciences, Department of Oral and Implant Dentistry Universidad Católica de Murcia (UCAM), 30107 Murcia, Spain
4
Biotecnos Research Center—Tecnología e Ciencia Ltd., 11100 Montevideo, Uruguay
5
Faculty of Dentistry, Department of Oral and Implant Dentistry, San Pablo University CEU, Group HM (Hospital Madrid), 28050 Madrid, Spain
6
Department of Periodontology, School of Dental Medicine, Stony Brook University, New York, 11794 NY, USA
7
Department of Prosthodontics and Digital Technology, School of Dental Medicine, Stony Brook University, New York, 11794 NY, USA
*
Author to whom correspondence should be addressed.
Received: 30 January 2018 / Revised: 16 April 2018 / Accepted: 2 May 2018 / Published: 6 May 2018
(This article belongs to the Special Issue Soft and Hard Tissue Regeneration)
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Abstract

Objectives: The objective of this study was to evaluate new bone formation derived from freshly crushed extracted teeth, grafted immediately in post-extraction sites in an animal model, compared with sites without graft filling, evaluated at 30 and 90 days. Material and Methods: The bilateral premolars P2, P3, P4 and the first mandibular molar were extracted atraumatically from six Beagle dogs. The clean, dry teeth were ground immediately using the Smart Dentin Grinder. The tooth particles obtained were subsequently sieved through a special sorting filter into two compartments; the upper container isolating particles over 1200 μm, the lower container isolated particles over 300 μm. The crushed teeth were grafted into the post-extraction sockets at P3, P4 and M1 (test group) (larger and smaller post-extraction alveoli), while P2 sites were left unfilled and acted as a control group. Tissue healing and bone formation were evaluated by histological and histomorphometric analysis after 30 and 90 days. Results: At 30 days, test site bone formation was greater in the test group than the control group (p < 0.05); less immature bone was observed in the test group (25.71%) than the control group (55.98%). At 90 days, significant differences in bone formation were found with more in the test group than the control group. No significant differences were found in new bone formation when comparing the small and large alveoli post-extraction sites. Conclusions: Tooth particles extracted from dog’s teeth, grafted immediately after extractions can be considered a suitable biomaterial for socket preservation. View Full-Text
Keywords: Smart Dentin Grinder; tooth particles; autogenous particulate tooth graft; socket preservation; dog study Smart Dentin Grinder; tooth particles; autogenous particulate tooth graft; socket preservation; dog study
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Calvo-Guirado, J.L.; Maté-Sánchez de Val, J.E.; Ramos-Oltra, M.L.; Pérez-Albacete Martínez, C.; Ramírez-Fernández, M.P.; Maiquez-Gosálvez, M.; Gehrke, S.A.; Fernández-Domínguez, M.; Romanos, G.E.; Delgado-Ruiz, R.A. The Use of Tooth Particles as a Biomaterial in Post-Extraction Sockets. Experimental Study in Dogs. Dent. J. 2018, 6, 12.

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