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Effect of 8% arginine toothpaste on Streptococcus mutans in patients undergoing fixed orthodontic treatment: randomized controlled trial
RAZEGHIAN-JAHROMI, Iman; BABANOURI, Neda; EBRAHIMI, Zahra; NAJAFI, Hooman Zarif; SARBAZ, Maryam; MONTAZERI-NAJAFABADY, Nima.
  • RAZEGHIAN-JAHROMI, Iman; Shiraz University of Medical Sciences. Cardiovascular Research Center. Shiraz. IR
  • BABANOURI, Neda; Shiraz University of Medical Sciences. Orthodontic Research Center. Shiraz. IR
  • EBRAHIMI, Zahra; Shiraz University of Medical Sciences. Orthodontic Research Center. Shiraz. IR
  • NAJAFI, Hooman Zarif; Shiraz University of Medical Sciences. Orthodontic Research Center. Shiraz. IR
  • SARBAZ, Maryam; Shiraz University of Medical Sciences. Orthodontic Research Center. Shiraz. IR
  • MONTAZERI-NAJAFABADY, Nima; Shiraz University of Medical Sciences. Endocrinology and Metabolism Research Center. Shiraz. IR
Dental press j. orthod. (Impr.) ; 27(3): e2220322, 2022. tab, graf
Article in English | LILACS-Express | LILACS, BBO | ID: biblio-1384689
ABSTRACT
ABSTRACT

Objective:

To assess the effect of toothpaste containing 8% arginine on Streptococcus mutans (S. mutans) in dental plaque around orthodontic brackets, and to draw a comparison with a regular fluoride toothpaste. Trial

design:

A single-center, parallel-arm, triple-blind, randomized controlled trial was conducted.

Methods:

The clinical trial was conducted at the Orthodontic Clinic, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran. Seventy-two patients (age range 15-30 years) who required fixed orthodontic treatment were recruited and randomly assigned to arginine and fluoride groups. Randomization was performed using RANDOM.ORG online software, and the participants were divided into two parallel groups, with a 11 allocation ratio. Patients were requested to brush their teeth twice daily for 30 days with an experimental toothpaste. Plaque sampling was performed at two intervals, namely at the beginning of the study (T0) and 30 days later (T1). Real-time PCR was used to assess plaque samples in terms of the number of S. mutans surrounding stainless steel brackets in orthodontic patients. A triple-blind design was employed.

Results:

The baseline characteristics (age, sex, and the relative number of S. mutans) between the groups were similar (p>0.05). Only the arginine group showed a significant decrease in the relative number of bacteria between T0 and T1 (p=0.02).

Conclusion:

Arginine is an important prebiotic agent in maintaining healthy oral biofilms, and prevent dental caries during fixed orthodontic treatments. Trial registration The trial was registered at the Iranian Registry of Clinical Trials (IRCT20181121041713N2), https//en.irct.ir/user/trial/42409/view.
RESUMO
RESUMO

Objetivo:

Avaliar o efeito de um dentifrício contendo arginina a 8% no Streptococcus mutans (S. mutans) da placa bacteriana ao redor de braquetes ortodônticos, e compará-lo a um dentifrício fluoretado convencional. Desenho do estudo Foi conduzido um estudo unicêntrico, com braços paralelos, triplo-cego, controlado e randomizado.

Métodos:

O ensaio clínico foi conduzido na Clínica de Ortodontia da Faculdade de Odontologia da Universidade de Ciências Médicas de Shiraz, no Irã. Setenta e dois pacientes (com idades variando de 15 a 30 anos) que necessitavam de tratamento ortodôntico com aparelho fixo foram recrutados e alocados aleatoriamente nos grupos arginina ou flúor. A randomização foi feita usando o programa on-line RANDOM.ORG, e os participantes foram divididos em dois grupos paralelos, com proporção de alocação de 11. Solicitou-se aos pacientes que escovassem os dentes duas vezes ao dia com a pasta experimental, durante 30 dias. Amostras da placa bacteriana foram coletadas em dois intervalos ao começo do estudo (T0) e após 30 dias (T1). Um PCR em tempo real foi usado para avaliar as amostras de placa, em termos de números de S. mutans ao redor dos braquetes de aço inoxidável nos pacientes ortodônticos. Um desenho de estudo triplo-cego foi usado.

Resultados:

As características iniciais (idade, sexo e quantidade relativa de S. mutans) foram semelhantes entre os grupos (p>0,05). Apenas o grupo arginina mostrou uma redução significativa na quantidade de bactérias entre T0 e T1 (p=0,02).

Conclusão:

A arginina é um agente prebiótico importante na manutenção de biofilmes bucais saudáveis, e previne as cáries dentárias durante o tratamento ortodôntico com aparelho fixo. Registro do ensaio O ensaio foi registrado no Iranian Registry of Clinical Trials (IRCT20181121041713N2), https//en.irct.ir/user/trial/42409/view.


Full text: Available Index: LILACS (Americas) Type of study: Controlled clinical trial Language: English Journal: Dental press j. orthod. (Impr.) Journal subject: Orthodontics Year: 2022 Type: Article / Project document Affiliation country: Iran Institution/Affiliation country: Shiraz University of Medical Sciences/IR

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Full text: Available Index: LILACS (Americas) Type of study: Controlled clinical trial Language: English Journal: Dental press j. orthod. (Impr.) Journal subject: Orthodontics Year: 2022 Type: Article / Project document Affiliation country: Iran Institution/Affiliation country: Shiraz University of Medical Sciences/IR