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Title: Bioengineered dental tissues grown in the rat jaw
Authors: Duailibi, S. E. [UNIFESP]
Duailibi, M. T. [UNIFESP]
Zhang, W.
Asrican, R.
Vacanti, J. P.
Yelick, P. C.
Tufts Univ
Universidade Federal de São Paulo (UNIFESP)
Harvard Univ
Massachusetts Gen Hosp
Keywords: tooth tissue engineering
dental stem cells
mandibular model
Issue Date: 1-Aug-2008
Publisher: Int Amer Assoc Dental Researchi A D R/a A D R
Citation: Journal Of Dental Research. Alexandria: Int Amer Assoc Dental Researchi A D R/a A D R, v. 87, n. 8, p. 745-750, 2008.
Abstract: Our long-term objective is to develop methods to form, in the jaw, bioengineered replacement teeth that exhibit physical properties and functions similar to those of natural teeth. Our results show that cultured rat tooth bud cells, seeded onto biodegradable scaffolds, implanted into the jaws of adult rat hosts and grown for 12 weeks, formed small, organized, bioengineered tooth crowns, containing dentin, enamel, pulp, and periodontal ligament tissues, similar to identical cell-seeded scaffolds implanted and grown in the omentum. Radiographic, histological, and immunohisto chemical analyses showed that bioengineered teeth consisted of organized dentin, enamel, and pulp tissues. This study advances practical applications for dental tissue engineering by demonstrating that bioengineered tooth tissues can be regenerated at the site of previously lost teeth, and supports the use of tissue engineering strategies in humans, to regenerate previously lost and/or missing teeth. The results presented in this report support the feasibility of bioengineered replacement tooth formation in the jaw.
ISSN: 0022-0345
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Appears in Collections:Artigo

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