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2016 Fiscal Year Final Research Report

Development of materials for dentin hypersensitivity : Analysis of retrogression with transmission model

Research Project

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Project/Area Number 26462870
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Conservative dentistry
Research InstitutionTohoku University

Principal Investigator

Kanehira Masafumi  東北大学, 歯学研究科, 助教 (30177539)

Co-Investigator(Renkei-kenkyūsha) ARAKI Yasuyuki  東北大学, 多元物質科学研究所, 准教授 (80361179)
Research Collaborator FINGER Werner, J.  
Project Period (FY) 2014-04-01 – 2017-03-31
Keywords象牙質透過性 / 知覚過敏 / マイクロフロー / 光化学
Outline of Final Research Achievements

The cause of regression of hypersensitivity has not been elucidated yet. We established a quantitative measurement system of dentin permeability to analyze the time-based effect for hypersensitivity.The process was analyzed through the morphological analysis and the measurement of dentin permeability after the improvement of equipment. As a result, new device made it possible to measure the hydraulic conductance and was clarified the differences in the permeability suppression mechanism of different materials. The particle size distribution, the significance of crystal formation, the amount of internal crystals and the changes of structure were also clarified. These findings were expected to become base evidence for developing safe and effective therapeutic agents of dentinal hyperesthesia.

Free Research Field

保存修復学

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Published: 2018-03-22  

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