In this paper composite degradation and  decomposition reaction in teeth were examined. Organic substance diffusion through the dental materials is occurred.  In this paper the subject of  simultaneous  diffusion and decomposition reaction has received considerable  attention. Diffusion phenomena  with degradation reaction was considered. The aim of this paper is examined possibilities to control and  increasing periodontal health.

Keywords: Composite material, diffusion, decomposition, interaction, degradation rate.


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