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Gingival Absorption of Rat Periodontal Disease Model and Rat Tooth Movement Model

Author(s): Y. TAI*
Department of Stomatology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, China

Correspondence Address:
Y. TAI, Department of Stomatology, The Second Hospital of Tianjin Medical University, Tianjin, 300211, China

In order to study the relationship between periodontal disease and alveolar bone resorption and the relationship between orthodontic treatment and alveolar bone resorption, two models of periodontal disease rats and tooth movement rats were constructed. The clinical diagnosis of gingival index, plaque index and depth of probing in the rat model of periodontal disease confirmed the successful construction of the periodontal disease model, and then the hematoxylin and eosin staining of the maxillary first molar tissue section revealed periodontal disease can cause aggregation of cementoclast and observation of nonstained sections showed that the area of absorption of periodontal disease rats was significantly increased compared with healthy rats. In this study, the rat model of tooth movement was also used. The left side of the maxillary teeth of the rat was injected with Ibanonate sodium phosphate in the experimental group, and the right side was injected with normal saline as the control group. It was found that in the tissue sections treated with Ibanonate sodium phosphate, the cementoclast were reduced and the degree of fang alveolar bone resorption was reduced. It indicated that the treatment has an inhibitory effect on fang alveolar bone resorption, which proved that Ibanonate sodium phosphate can be used in the treatment of orthodontic treatment of root resorption.

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Citations : 66710

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