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1.
J Formos Med Assoc ; 122(2): 148-156, 2023 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-36180321

RESUMEN

BACKGROUND/PURPOSE: In children, the use of stainless steel crowns to treat caries has a high success rate. However, due to the unnatural color of stainless steel crowns, it still needs to modify crown types. The present meta-analysis study aims to explore the previous articles on the comparison of stainless steel crowns and zirconia crowns. METHODS: The systematic search of studies on the comparison of zirconia crowns and stainless steel crowns for primary teeth was mainly in PubMed and Cochrane database. The standardized mean differences (SMDs) of gingival health between zirconia crowns and stainless steel crowns comprised the primary outcome, and the SMDs of plaque index compared two crown treatments was treated as the secondary outcome. RESULTS: The meta-analysis extracted 187 papers from various databases and collected five randomized controlled trials, four comparisons on deciduous molars and one comparison on deciduous incisors. 160 children were included, ranging in age from 3-9 years old. The quantitative analysis showed a significantly lower gingival index of zirconia crowns in the primary molar group and the primary incisor group. The plaque index between two crown treatments groups was -4.51, indicating less accumulation of plaque on zirconia crown. However, the heterogeneity of included trials still need to be considered. CONCLUSION: Zirconia crowns for deciduous teeth had its advantages for gingival health. Although stainless steel crowns were more likely to have plaque deposition and gingival inflammation, zirconia crowns relatively caused the opposite tooth wearing and chipping. Therefore, the comprehensive consideration is important to choose deciduous tooth crown.


Asunto(s)
Acero Inoxidable , Diente Primario , Niño , Preescolar , Humanos , Encía , Circonio
4.
J Dent Sci ; 15(2): 163-167, 2020 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-32595896

RESUMEN

BACKGROUND/PURPOSE: Diode laser is widely used in dentistry, especially on treating soft tissues. Currently neither the effect of diode laser pulpotomy nor its comparison with formocresol (FC) pulpotomy has been fully investigated. Therefore the purpose of this study was to investigate the clinical and radiographic outcomes of diode laser pulpotomy and formocresol pulpotomy on human primary molars. MATERIALS AND METHODS: Healthy two-to eight-year-olds were treated with pulpotomies on primary molars as part of their regular dental treatment. The pulpotomy teeth were randomly assigned into one of two groups. The experimental group was treated with diode laser; the control group was treated with 1:5 dilution FC. RESULTS: Forty-five teeth with diode laser and 45 teeth with FC in 70 healthy children were studied. In 12 months follow-up, the clinical success rates were 92.9%, and 90.9% for laser and FC respectively, and the radiographic success rates were 78.6%, and 72.7% for laser and FC respectively. Conclusion: There is no significant difference of clinical and radiographic success rate between diode laser and FC pulpotomy in human primary molars followed for 12 months.

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