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Mechanical properties of combined packable and high-filled flowable composite used for the fixed retainer: an in vitro study.
Alamdarloo, Yasaman; Mosaddad, Seyed Ali; Golfeshan, Farzaneh.
Afiliación
  • Alamdarloo Y; Orthodontic Research Center, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.
  • Mosaddad SA; Department of Research Analytics, Saveetha Institute of Medical and Technical Sciences, Saveetha Dental College and Hospitals, Saveetha University, Chennai, India.
  • Golfeshan F; Department of Conservative Dentistry and Bucofacial Prosthesis, Faculty of Odontology, Complutense University of Madrid, Madrid, Spain.
BMC Oral Health ; 24(1): 676, 2024 Jun 10.
Article en En | MEDLINE | ID: mdl-38858745
ABSTRACT

BACKGROUND:

Clinicians often utilize both flowable and packable composites concurrently in bonding fixed retainers. Thus, this study aimed to assess the synergistic effect of these composites in the bonding process.

METHODS:

This in vitro study divided specimens into three groups flowable composite (nano-hybrid, Tetric N-Flow, Ivoclar Vivadent), packable composite (nano-hybrid, Tetric N-ceram, Ivoclar Vivadent), and combined use of flowable and packable composite. Shear bond strength (SBS), adhesive remnant index (ARI), and wire pull-out resistance were compared among the groups. Statistical analyses were conducted using ANOVA and Tukey tests to compare study groups. Additionally, Chi-square and Kruskal-Wallis tests were employed to analyze the ARI index among the groups.

RESULTS:

ANOVA results indicated no statistically significant differences among test groups (P = 0.129) regarding SBS. However, a significant difference existed between flowable and packable composite groups (P = 0.01) regarding ARI scores. Among the study groups, flowable composite exhibited the highest frequencies of ARI scores of 1 and 2, whereas packable composite showed the highest frequency of ARI scores of 0. The combined group had higher frequencies of ARI scores of 0 and 1 compared to the flowable composite. The wire pull-out test revealed that the combined application of flowable and packable composite resulted in significantly lower detachments compared to the packable composite alone (P = 0.008). However, no significant differences were observed in the comparisons between the flowable-packable (P = 0.522) and combined-flowable (P = 0.128) groups.

CONCLUSION:

The combined use of flowable and packable composites for fixed retainers demonstrated adequate shear bond strength and ideal ARI scores, suggesting it as a suitable adhesive system for bonding orthodontic fixed retainers.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Ensayo de Materiales / Retenedores Ortodóncicos / Resinas Compuestas / Resistencia al Corte Límite: Humans Idioma: En Revista: BMC Oral Health Asunto de la revista: ODONTOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: Irán Pais de publicación: Reino Unido
Texto completo
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Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Ensayo de Materiales / Retenedores Ortodóncicos / Resinas Compuestas / Resistencia al Corte Límite: Humans Idioma: En Revista: BMC Oral Health Asunto de la revista: ODONTOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: Irán Pais de publicación: Reino Unido