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1.
Article in Chinese | WPRIM | ID: wpr-904811

ABSTRACT

Objective @# To study the effect of fluoride varnish, glass ionomer and resin sealant on the prevention of pit and fissure caries in young children, and to identify an a method to reduce the sensitivity of operation technique to prevent pit and fissure caries in young children with limited moisture isolation.@*Methods@# A self-control design was used to select 370 young children aged 3 to 5. Eight molars in the mouth were distributed in four quadrants, and each quadrant was randomly allocated to the blank group, fluoride varnish Duraphat group, glass ionomer GC FujiⅦ group, and resin ClinproTM Sealant group. The retention rate of pit and fissure sealant and the incidence of primary molar caries were observed in the 6th, 12th, 24th and 36th months respectively.@* Results @# In the 6th month, 12th month and 24th month, there were no significant differences in the material retention rate between the GC Fuji Ⅶ group and ClinproTM Sealant group. In the 36th month, the retention rate of the ClinproTM sealant group was better than that of the GC Fuji Ⅶ group (P < 0.05). In the 6th month, the caries incidence in the Duraphat group, GC Fuji Ⅶ group and ClinproTM sealant group was significantly lower than that in the blank group (P < 0.001). There was no significant difference between the Duraphat group, GC Fuji Ⅶ group and ClinproTM sealant group. In the 12th month, 24th month and 36th month, the incidence of caries in the GC Fuji Ⅶ group and ClinproTM sealant group was lower than that in the Duraphat group and blank group (P < 0.001), but there was no significant difference between the blank group and Duraphat group, and there was no significant difference in caries incidence between the GC Fuji Ⅶ group and ClinproTM sealant group.@*Conclusion @#The GC Fuji Ⅶ and ClinproTM sealant treatments continuously and effectively prevented pit and fissure caries compared with simple fluoride application. However, in cases of limited cooperation and poor moisture isolation in young children, the preventive measures of glass ionomer pits and fissure sealants (GC Fuji Ⅶ) are simpler and more feasible.

2.
Article in Chinese | WPRIM | ID: wpr-750467

ABSTRACT

Objective @#To summarize experience treating dog bites in the oral and maxillofacial regions of children and provide a reference for clinical practice.@*Methods @#Nineteen children with dog bite wounds in the maxillofacial region were treated from July 2011 to June 2018 with primary debridement and suturing. A rabies vaccine, tetanus vaccine and human immunoglobulin as a passive immune agent were given via intramuscular injection. Anti-inflammatory therapy with amoxicillin and clavulanate potassium or other antibiotics. Follow-up observation and a retrospective analysis of the treatment effect were carried out.@*Results@#After treatment, among the 19 pediatric patients, 18 cases showed primary healing and 1 case showed secondary healing. The follow-up period ranged from six months to seven and a half years. No cases of rabies occurred.@*Conclusion @#For the treatment of patients with maxillofacial dog bite wounds, the first stage debridement and suture can reduce the scar after operation and is beneficial to the recovery of face.

3.
Article in Chinese | WPRIM | ID: wpr-777845

ABSTRACT

@#Third molars, late-eruption permanent teeth in humans, have commonly been extracted in clinical treatments. However, with the development of oral medicine, the value of maxillary third molars in clinical treatments, as well as in oral prosthetics, orthodontics, and oral implant applications, has gradually become recognized. This paper summarizes the research on the morphology of the crown, root, root canal and root tip of the maxillary third molar in a review to facilitate related research and clinical treatments.

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