Feasibility of gene therapy for tooth regeneration by stimulation of a third dentition

Katsu Takahashi, Honoka Kiso, Kazuyuki Saito, Yumiko Togo, Hiroko Tsukamoto, Boyen Huang, Kazuhisa Bessho

Research output: Book chapter/Published conference paperChapter (peer-reviewed)peer-review

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The tooth is a complex biological organ that consists of multiple tissues, including enamel, dentin, cementum, and pulp. Missing teeth is a common and frequently occurring problem in aging populations. To treat these defects, the current approach involves fixed or removable prostheses, autotransplantation, and dental implants. The exploration of new strategies for tooth replacement has become a hot topic. Using the foundations of experimental embryology, developmental and molecular biology, and the principles of biomimetics, tooth regeneration is becoming a realistic possibility. Several different methods have been proposed to achieve biological tooth replacement[1-8]. These include scaffold-based tooth regeneration, cell pellet engineering, chimeric tooth engineering, stimulation of the formation of a third dentition, and gene-manipulated tooth regeneration. The idea that a third dentition might be locally induced to replace missing teeth is an attractive concept[5,8,9]. This approach is generally presented in terms of adding molecules to induce de novo tooth initiation in the mouth. It might be combined with gene-manipulated tooth regeneration; that is, endogenous dental cells in situ can be activated or repressed by a gene-delivery technique to produce a tooth. Tooth development is the result of reciprocal and reiterative signaling between oral ectoderm-derived dental epithelium and cranial neural crest cell-derived dental mesenchyme under genetic control [10-12]. More than 200 genes are known to be expressed during tooth development.
Original languageEnglish
Title of host publicationGene therapy
Subtitle of host publicationTools and potential applications
EditorsFrancisco Martin Molina
Place of PublicationCroatia
Number of pages18
ISBN (Electronic)9789535153627
ISBN (Print)9789535110149
Publication statusPublished - 2013


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