ABSTRACT
Objective@#To explore the clinical effect of bulk-fill composite resin combined with transparent preformed crowns for aesthetic restoration of deciduous incisor of children.@*Methods@#A predesigned clinical prospective randomized controlled research method was used to select 90 patients (123 teeth). The random number table method was divided into three groups: A, B, and C. Group A was treated with a bulk-fill composite resin of SF (SonicFill) combined with a transparent preformed crown (41 teeth in 30 cases), and group B was treated with a large block of Tetric N-Ceram Bulk Fill Composite resin combined with transparent preformed crowns (39 teeth in 29 cases). Group C was treated with 3M Z350 XT universal nano resin combined with transparent preformed crowns (43 teeth in 31 cases). The visual analog scale (VAS) and the modified USPHS standard were used to evaluate the completeness, marginal steps, marginal discoloration, surface condition, secondary caries and satisfaction of the parents with prostheses after 12 months.@*Results @#Twelve months after the operation, the evaluation indexes of group A were better than those of group B and group C, and the differences were statistically significant, including edge integrity (χ2=10.847, P=0.028), edge step (χ2=7.799, P=0.020), edge discoloration (χ2=10.391, P=0.034), surface state (χ2=11.476, P=0.021), and secondary caries (χ2=10.447, P=0.034). The satisfaction of parents in group A on the overall contour (χ2=10.238, P=0.037), shape and texture (χ2=11.521, P=0.021) were better than those in group B and group C, and the differences were statistically significant. There was no significant difference in the evaluation of color satisfaction among the three groups (χ2=0.990, P=0.610).@* Conclusion@#SonicFill bulk-fill composite resin combined with transparent preformed crown is good for short-term aesthetic restoration of deciduous incisor, and parental satisfaction is high.
ABSTRACT
@#Dental caries and trauma are the most common oral diseases in children, which could result in defects of the teeth or detention. Maintenance of the primary dentition in a nonpathologic condition is important for oral health, craniofacial development, and the overall well-being of the children. In contemporary dentistry, primary anterior teeth defects are mainly treated with drugs, restorative treatments, or both. Restorative treatment is the most preferred method and includes direct restoration, full coronal restoration, post-and-core crowns, etc. This article reviews the available information regarding a variety of restorative treatments for primary incisor defects, including their backgrounds, clinical indications, clinical pathways, and related studies. The literature review shows that intraconal direct restoration is widely used on single surfaces. There are many kinds of full coronal restorations, and each has its own advantages. Pediatric resin-bonded strip crowns and zirconia crowns are the most popular and have excellent aesthetics. The use of post-and-core crowns for primary incisors is controversial. The absorbable post may be the next research hotspot. Therefore, treatment of severely destroyed primary incisors poses a challenge for pediatric dentists, as three important considerations must be kept in mind: children′s behavioral management, preservation of the tooth structure and parental satisfaction.
ABSTRACT
Objective@#To investigate the clinical effects of different restoration methods on large area defect of deciduous molars. @*Methods @#A total of 150 deciduous molars were selected and randomly divided into three groups: A, B and C. Group A was repaired with glass ionomer and compound resin, B group was repaired by Hall technique, and C group was repaired with metal preformed crown. The successful rate of restoration in 6 and 12 months was compared between the three groups. @*Results @#There was no significant difference between three groups in A, B and C (P > 0.05) in 6 months; the successful rate of 12 months repair in group B and C was significantly higher than that in group A (P < 0.05).@*Conclusion @#The success rate of Hall technique and metal performed crown is higher than that of glass ionomer and composite resin on the repair of large defects of deciduous molars.
ABSTRACT
Objective @# To investigate the clinical effects of different restoration methods on large area defect of deciduous molars. @*Methods @#A total of 150 deciduous molars were selected and randomly divided into three groups: A, B and C. Group A was repaired with glass ionomer and compound resin, B group was repaired by Hall technique, and C group was repaired with metal preformed crown. The successful rate of restoration in 6 and 12 months was compared between the three groups.@*Results@#There was no significant difference between three groups in A, B and C (P > 0.05) in 6 months; the successful rate of 12 months repair in group B and C was significantly higher than that in group A (P < 0.05). @*Conclusion @#The success rate of Hall technique and metal performed crown is higher than that of glass ionomer and composite resin on the repair of large defects of deciduous molars.