Humans ; Practice Guidelines as Topic ; Research Design

Meta-Analysis as Topic

Child ; Humans ; Incisor ; abnormalities ; Maxilla ; Occlusal Adjustment ; Orthodontic Extrusion ; Tooth Abnormalities ; diagnosis ; etiology ; therapy ; Tooth, Impacted ; diagnosis ; etiology ; therapy

Due to the serious shortage of donor cornea materials and the donor limit, clinical popularization of penetrating keratoplasty is severely restricted. lt is a hot spot of current research that applying tissue engineering in vitro to culture corneal endothelial cells ( CEC ) with high density, regular hexagonal shape and healthy endothelial function. ln this article, we reviewed the latest progress in the study of source of CEC seeder cells, selection of cultivating carries, type of CEC transplantation and immune mechanism that summarized the current research problems and made a prospect to the future.

Animals ; Evidence-Based Medicine ; Health Knowledge, Attitudes, Practice ; Humans ; Infant ; Meta-Analysis as Topic ; Milk Hypersensitivity ; diagnosis ; prevention & control ; Milk Proteins ; adverse effects ; Practice Guidelines as Topic ; standards ; Professional Staff Committees ; organization & administration

Bone Demineralization, Pathologic ; prevention & control ; Dental Caries ; prevention & control ; therapy ; Dental Restoration, Permanent ; Education, Dental ; Gingivitis ; prevention & control ; Humans ; Orthodontics, Corrective ; Preventive Dentistry ; education

Objective: To study the significance of DNA content in oral squamous cell carcinoma (SCC).Methods: DNA content and cell cycle of the cells in 18 cases of oral SCC were analized by image cytometry (ICM). Results: The DNA index (DI) and proliferation index (PI) were remarkably heigher in SCC than in normal epithelium ( P

Objective:To compare the characteristics of Dean's index(DI) and tooth surface index of fluorosis(TSIF). Methods:416 inhabitants of 12, 15 and 35~44 years old were sampled randomly to receive epidemiological survey assessed by DI in fluorosis endemic areas of Xingtai City, Hebei Province. Then TSIF was used to investigate the 178 samples selected randomly from the 416 subjects. Two examiners(S/C) were trained by an experienced specialist of epidemiology(W) before investigation. SPSS 10.0 software and Excel database were used to analyze the data.Results:Weighted Kappa of theoretic calibration of DI and TSIF was ranging from 0.86 to 0.96. The results of TSIF were lower than DI in clinical calibration test. With the increase of the number of tooth surfaces concerned, strength of agreement declined, ranging from “very good” to “moderate”. Prevalence of fluorosis according to DI was lower than that accoding to TSIF.In 35-44 years old people difference of fluorosis prevalence calculating between DI and TSIF was almost 40%. The most probably reason for this phenomenon was that a person with “questionable” fluorosis wouldn't be calculated as a fluorosis patient. The proportion of “questionable” in 35-44 age group was the highest (40.3%). Conclusion:DI is suitable for large-scale epidemiology survey, and should be combined with community fluorosis index (CFI), while TSIF is suitable for esthetic study, especially for severe fluorosis patients.

0.05). When comparing the pH value of xylitol gum with the pH value of 0.1 kg/L sucrose solution, and comparing that with the sucrose gum, significant difference could be found between the changes of pH values at different time points (P

This study aimed at exploring the modeling and identification method of autoimmune POF by the ZP3 polypeptide with the provision of scientific basis for the prevention and treatment of POF.B6AF1 female mice,the hybridization of A/J male mice and C57BL/6 female mice,was immunized by zona pellucida polypeptide fragments.Then,the mice estrous cycle was detected by vaginal exfoliated cells Pasteur's staining.After the 14-day modeling,the mice model was identified on the 7th and 14th day,respectively.Ovarian tissue morphology and anti-zona pellucida antibodies immunofluorescence change were detected by H&E staining and ZP3 immunofluorescence staining.Serum hormone levels of E2 and FSH in the mice were tested by ELISA,with the combination of estrous cycle,ovarian tissue morphology and anti-zona pellucida antibodies immunofluorescence change to judge the success of the POF mice model.It was found that ZP3 polypeptide immunized mice appeared the disorder of estrous cycle after 14 days,so did the marked inflammation observed by ovarian biopsy,a clear transparent zone by ZP3 immunofluorescence staining,and the decrease of serum E2 declined and the increase of serum FSH by ELISA.However,no significant change was found on the 7th day in the modeling.In conclusion,ZP3 polypeptide induced autoimmune POF mice model was established successfully,featuring high incidence and simple method and laying a foundation for the further study of autoimmune POF.