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Occluding dentin tubules with monetite paste / 华西口腔医学杂志
West China Journal of Stomatology ; (6): 667-674, 2021.
Article in English | WPRIM | ID: wpr-921389
ABSTRACT
OBJECTIVES@#This study was performed to evaluate the occlusion of monetite paste on dentine tubule and provide a new potential method for treating dentine hypersensitivity.@*METHODS@#Calcium oxide, strontium chloride, and polyethylene glycol phosphate were mixed in a certain proportion and ground in a planetary ball mill. The reaction was carried out by adjusting the pH to obtain monetite and hydroxyapatite paste. The morphological characteristics of the paste were observed through scanning electron microscope (SEM). The structure and composition were analyzed through X-ray diffraction (XRD) and Fourier transform infrared spectrometer (FTIR). The extracted third molar was selected to undergo demineralization to establish the @*RESULTS@#XRD and FTIR showed that the composition of the paste was mainly monetite, and the composition of hydroxyapatite paste was mainly composed of hydroxyapatite. SEM revealed that the size of the crystal particles of the synthesized paste was tens to hundreds of nanometers. Monetite and hydroxyapatite paste could produce a thicker mineralization layer on the dentin surface, and the mineralization of the dentin tubules of monetite was deeper than that of hydroxyapatite paste. The microhardness of the monetite paste group was significantly less than those of the hydroxyapatite paste groups (@*CONCLUSIONS@#Monetite paste could effectively block the exposed dentin tubules and be used for treating dentin hypersensitivity.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Calcium Phosphates / Microscopy, Electron, Scanning / Durapatite / Dentin / Dentin Sensitivity Limits: Humans Language: English Journal: West China Journal of Stomatology Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Calcium Phosphates / Microscopy, Electron, Scanning / Durapatite / Dentin / Dentin Sensitivity Limits: Humans Language: English Journal: West China Journal of Stomatology Year: 2021 Type: Article