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寒冷이 齒髓組織에 미치는 影響에 關한 實驗的 硏究

AN EXPERIMENTAL STUDY OF THE HISTOLOGIC CHANGES OF DENTAL PULP TO COLD IRRITATION

대한치과의사협회지 1970년 8권 10호 p.569 ~ 575
조규징,
소속 상세정보
조규징 (  ) - 서울대학교 치과대학 보존학전공

Abstract


Author carried out a study on the histological changes of dental pulp applying the cold irritation to the exposed dentin of dog´s teeth with the different conditions of the temperature below 5℃;
The following results were obtained:
1) The early inflammatory change such as interodontoblastic vacuolizations, slightly dilated blood vessels and inflammatory cell infiltrations was observed in the pulp tissue of both control and tested group at 5℃ and 0℃.
2) The thickness of predentin was reduced or even disappeared under the conditions bel low -5℃.
3) The pyknosis of odontoblast at the odontoblastic layer was markedly increased in the pulp applied with saline solution of 0℃.
4) It was revealed that the complete destruction of predentin, of odontoblastic layer and bloode vssels in the pulp elements was observed without any infiltrations of inflammatory cells at the case applied with dry-ice of -70℃ for 2 minutes.
5) The interodontoblastic vacuoles, marked edematous spaces and reticular atrophy seemed to be proportionally increased with the falling of the temperature below 0℃.
6) The vacuolization of odontoblastic layer was generally accompanied with the reticular atrophy in the pulp.

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