Abstract
The aim of the study was to assess histochemical changes of the dental pulp in direct pulp capping/experimental osteoporosis animal model. The study was performed on 20 two-year sheep with simulated acute pulpitis divided in 2 groups: main (15 animals/120 teeth) and control (5 animals/40 teeth). Direct pulp capping in the main group included tissue-engineered structure composed of a hydrogel PuraMatrix/3DM with ectomesenchymal stem cells immobilized on collagen sponge. In the control group collagen sponges with hydrocortisone furatsilin, chondroitin sulfate, аnaesthesinum were used for the same purpose. Dentinal bridge formation was much slower in controls than in the main group. Developed tissue-engineered design optimizes each stage of the healing process by protecting the pulp from infection, reduction of exudation, hemostatic effect and in long term contributes to a significant acceleration of the formation of the dentinal bridge.
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