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Lacerda-Pinheiro, Sally; Marchadier, Arnaud; Don?s, Patricio; Septier, Dominique; Benhamou, Laurent; Kellermann, Odile; Goldberg, Michel; Poliard, Anne (2008)
Publisher: Bentham Open
Journal: The Open Dentistry Journal
Languages: English
Types: Article
Subjects: Mouse incisor, experimental model, amelogenin, dental pulp progenitor cells, Article

Classified by OpenAIRE into

mesheuropmc: stomatognathic system, stomatognathic diseases
The continuously growing rodent incisor is a widely used model to investigate odontogenesis and mineralized tissue formation. This study focused on evaluating the mouse mandibular incisor as an experimental biological tool for analyzing in vivo the capacity of odontoblast-like progenitors or bioactive molecules to contribute to reparative dentinogenesis. We describe here a surgical procedure allowing direct access to the forming part of the incisor dental pulp Amelogenin peptide A+4 adsorbed on agarose beads, or dental pulp progenitor cells were implanted in the pulp following this procedure. After 10 days A+4 induced the formation of an osteodentin occluding almost the totality of the pulp compartment. Implantation of progenitor cells leads to formation of islets of osteodentin-like structures located centrally in the pulp. These pilot studies validate the incisor as an experimental model to test the capacity of progenitor cells or bioactive molecules to induce the formation of reparative dentin.

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