Banca de DEFESA: Marcelo de Morais Curado

Uma banca de DEFESA de DOUTORADO foi cadastrada pelo programa.
STUDENT : Marcelo de Morais Curado
DATE: 20/06/2023
TIME: 08:30
LOCAL: Plataforma Teams
TITLE:

"Preclinical in vitro study of streptococcus mutans accumulation in three fixed retainer designs: microbiological assay"

KEY WORDS:

"Biofilm; Fixed retainer; Orthodontic Retainer; Streptococcus mutans"

PAGES: 100
BIG AREA: Ciências da Saúde
AREA: Odontologia
SUMMARY:

"Introduction: The use of fixed retainers in the lower arch is frequent; however, its presence increases the accumulation of biofilm and dental calculus. Objective: The objective of this research was to evaluate, in vitro, the accumulation of Streptococcus mutans (S. mutans) in 3 designs of fixed retainers. Method: Nine models were reproduced in heat-cured acrylic resin and divided into groups: straight retainer (SR), retainer with vertical strap (RVL), retainer with horizontal strap (RHL). The accumulation of S. mutans was assessed using the MTT assay (3-4,5-dimethyl-thiazol-2-yl-2,5- diphenyltetrazolium bromide) and then measured using an automated reader. Result: The RHL group showed less biofilm accumulation compared to the other groups (p<0.05). The distance between the tooth surface and the retainer showed a strong negative correlation with biofilm accumulation (rs=- 0.79, p=0.00037). Conclusion: The RHL showed significantly less accumulation of S. mutans due to the distance between the retainer and the tooth surface. This research provides relevant data for a future randomized clinical trial.”

BANKING MEMBERS:
Externo à Instituição - ADRIANO DOBRANSZKI
Externo ao Programa - 1753845 - CELSO DE FREITAS PEDROSA FILHO
Externo à Instituição - GIOVANNI MODESTO VIEIRA
Externo à Instituição - MARCELO SOUSA GOMES - UNIEURO
Presidente - 1762709 - SERGIO BRUZADELLI MACEDO