1. It'specilizes in manufacture of carious circle receiver, electret receiver and accessories of various telecommunication product.

2. Conclusions The correct diagnosis of acute pulpitis without carious lesions is based oncareful examination.

3. The mutants'survival and their effect on causing carious is depended on plaque. "

4. This island is constituted of stones, accumulate heat during the day to return it back slowly during the night, exalting the fresh and carious fragrances of the wines.

5. Structural changes of dental enamel , dentine, cementum and pulpal reactions in carious process are discussed.

6. Methods 208 cases of acute pulpitis of molars without carious lesions was collected and analyzed.

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7. Conclusion: Lactate acid formate acid, acetate acid, propionate acid and butyrate acid constituted above 98% of all organic acids in carious dentin, with the content of lactate acid being the highest.

8. Conclusion: The pit and fissure sealant have significant preventive effect on carious teeth.

9. The company is capable to provide the whole key engineering of carious of storage problems solution, overall programming, design manufacture and installation testing.

10. In order to provide the scientific basis for the prevention and treatment on dentinal caries, the changes of the collagenous proteins in carious dentin was investigated.

11. Objective To improve the diagnosis of acute pulpitis on molars without carious lesions.

12. Aim In order to provide the scientific basis for the prevention and treatment on dentinal caries, the changes of the collagenous proteins in carious dentin was investigated.