Dentin Regeneration by Direct Pulp Capping Using a Bioabsorbable Material
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概要
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The aim of this study was to investigate the effect of bioabsorbable material on the direct pulp capping to know whether this material has a function in dentin regeneration by bioabsorption.<BR>Class V cavities with the exposed pulp area were prepared on the buccal surface of first molars in young beagle dogs. All cavities were conditioned with a self-etching primer (Clearfil SE Primer). In the cavities of right side (experimental group), the exposed pulp was covered with a bioabsorbable sheet (Kurabio AG), and then the cavities were coated with an adhesive agent (Clearfil SE Bond) and resorted with a resin composite. The left side cavities (control group) were applied the adhesive agent without the bioabsorbable sheet and restored with a resin composite. On three and six months after surgery, the teeth were extracted, immersion-fixed and decalcified. Afterward, the teeth were frozen-sectioned, stained with hematoxylin and eosin and observed using a light microscopy.<BR>In the experimental group, a large amount of the tertiary dentin was formed into the prepared cavity. On the other hand, the tertiary dentin was almost not formed into the cavity in the control group.<BR>The significantly tertiary dentin formation was recognized into the prepared cavity when the exposed pulp area had been covered by a bioabsorbable material. This result suggested that the space making by a bioabsorbable material could produce the derivation of pulp tissue and then dentin regeneration into the pre-pared cavity.
- 日本再生歯科医学会の論文
日本再生歯科医学会 | 論文
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