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Journal of Jilin University(Medicine Edition) ; (6): 401-403, 2018.
Article in Chinese | WPRIM | ID: wpr-691586


Objective:To report one case of bilateral maxillary fourth molars,and to explore the occurrence and treatment method of additional fourth molar.Methods:The case materials of one patient with bilateral maxillary four molars were collected,and the information was record.Combined with reviewing the relevant literatures,the clinical data,complication and treatment of one patient with bilateral maxillary fourth molars were retrospectively analyzed.Results:The patient was diagnosed due to left maxillary posterior teeth area intermittent pain for several months and the increased pain for 5 d;at the same time,there was no abnormal appearance inducing the symptoms detected by speciality check-up.The pantomography showed the four molars in bilateral maxillary,and the fourth molars impacted the third molar root's absorption.The fourth molar crown was smaller and the root was shorter. The 18,28,29 teeth were removed,and the left maxillary posterior teeth area intermittent pain disppeared. Conclusion:The occurrence of additional fourth molar is a relatively rare demal dysplasia.However,there are some complications following with the fourth molar.Early diagnosis and treatment are essential.

Journal of Integrative Medicine ; (12): 173-8, 2011.
Article in Chinese | WPRIM | ID: wpr-449028


To investigate the influence of Drynaria total flavonoids on proliferation and apoptosis of osteoblasts in tumor necrosis factor-α (TNF-α)- mediated medium, so as to explore the mechanism of Drynaria total flavonoids in preventing and treating osteoporosis of rheumatoid arthritis.

Chinese Journal of Rheumatology ; (12): 843-845, 2011.
Article in Chinese | WPRIM | ID: wpr-423338


Objective This study is aimed to explore the effect of rhTNFR:Fc and methotrexate (MTX)-rhTN FR:Fc on joint destruction of collagen-induced arthritis ( CIA ) rat by establishing CIA rat model which imitates pathogenic factors of rheumatoid arthritis (RA).Methods CIA rat model were developed by subcutaneous injection of bovine type Ⅱ collagen.The rats with inflammation scores of two or above were randomly divided into four groups:the sterilized water treatment group (0.4 ml/w,intra-peritoneal injection),the MTX treatment group (1 mg/w,intra-peritoneal injection),the rhTNFR:Fc treatment group(0.8 mg Biw,intra-peritoneal injection),the MTX + rhTNFR:Fc treatment group (MTX 1 mg/w and rhTNFR:Fc 0.8 mg Biw,intraperitoneal injection).After treatment for 8 weeks,the rats were sacrificed and took the ankle radiography.Micro-CT scan of proximal tibia was performed and hard-tissue slices were made,and then the ankle's bone damage of each group was observed in order to evaluate trabecular variation and bone quantity changes of proximal tibia.Statisstical analysis was conducted with ANK-q test.Results After treatment for 8 weeks,the percentage of trabecular area and the trabecular number of the rhTNFR:Fc treatment group and the MTX-rhTNFR:Fc treatment were [(29.1±0.3)%,(26.7±0.6)%,(4.4±0.5)/mm,(4.0±0.6)/mm] (P<0.01),which were evidently higher than the sterilized water treatment group and MTX treatment group (P<0.01).The trabecular separation of Etanercept treatment group and MTX-rhTNFR:Fc group was obviously less than the sterilized water treatment group and MTX treatment group [(12.9±0.5)%,(13.2±0.4)% vs (2.0±0.3)/mm,(2.2t0.2)/mm] (P<0.01).Conclusion rhTNFR:Fc and MTX-rhTNFR:Fc can remarkably inhibit joint destruction of CIA rat.And their effect on inhibiting of inflammation and increasing peri-articular bone quantity.In addition,they are effective on inhibiting the reduction of local trabecular structure and increase of trabecular separation.