Effect of different configuration factors on marginal gap formation of two composite resin systems

El-Marhomy, A.M.; Genaid, T.M.; Abdalla, Ali

doi:10.1016/j.tdj.2013.12.004

Cited by 3 publications

(2 citation statements)

References 43 publications

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“…The finding of this study counteracts the result of El-Marhomy et al, (30) which revealed that there is no marginal gap at the dentin-composite interface in the different tested C-factor preparations; this may be due to different in material or methods. Also, the results showed that the leakage in C-Factor F was found to be significantly more than the leakage of C-Factor T which may be described by the unbounded area facilitate composite plastic deformation during polymerization before the gel point is reached, thus reducing the final shrinkage stresses values.…”

Section: Comparative Study Of Different Cavity Configuration Effect On Marginal Adaptation Of Bulk Fill Versus Conventional Resin Composicontrasting

confidence: 90%

Comparative Study of Different Cavity Configuration Effect on Marginal Adaptation of Bulk Fill Versus Conventional Resin Composites

Hamed

2021

Al-Azhar Assiut Dental Journal

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Aim :The aim of the study is to evaluate the effect of different cavity configuration (C-factor) on marginal adaptation of Sonic fill versus Ceram X conventional composite resin composites. Subjects and methods :A total of 90 freshly extracted human non carious premolar teeth was used and divided randomly according to tested materials into two main equal groups (45 each); Sonicfill and Ceram X resin composites. Each group was further divided according to the cavity configuration into three equal subgroups of (15 each); flat tooth surface, class II cavity and class V cavity. Each subgroup was divided subdivisions according to storage time into three (5 each); one month, three months and six months. After storage time and dye immersion in silver nitrate 50% wt for 12 hours. Each tooth was splatted longitudinally into 2 halves and inspected under stereomicroscope to evaluate the marginal leakage of tooth restoration interface. Finally, a randomly representative specimen from each group was investigated under Scanning Electron Microscope (SEM) to evaluate the qualitative examination.The results of this study revealed that less microleakage of Sonic-fill than Ceram X. C-factors do not completely eliminate the microleakage with both bulk fill resin materials. There was significant difference between flat tooth surface and both of classII and classV. Sonicfill and Ceram X showed high leakage score at six months storage time.

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Section: Comparative Study Of Different Cavity Configuration Effect On Marginal Adaptation Of Bulk Fill Versus Conventional Resin Composicontrasting

confidence: 90%

Comparative Study of Different Cavity Configuration Effect on Marginal Adaptation of Bulk Fill Versus Conventional Resin Composites

Hamed

2021

Al-Azhar Assiut Dental Journal

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“…The specimens were subjected to 500 thermo cycles at 5°C and 55°C (±2°C) to replicate the thermal conditions of the oral cavity, which represents 1 year of clinical function. [ 11 15 ]…”

Section: Discussionmentioning

confidence: 99%

Evaluation of marginal adaptation of a self-adhering flowable composite resin liner: A scanning electron microscopic study

et al. 2018

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Background:“Self-adhering composite resins,” are claimed to eliminate the need for a separate acid etching and bonding agent application step, thus simplifying the direct restorative procedure, both regarding the technique sensitivity and the duration of treatment.Aim:The aim of this study is to evaluate the marginal adaptation of self-adhering flowable composite (Dyad flow) in comparison to the conventional flowable composite (Tetric N-flow) under scanning electron microscope (SEM).Settings and Design:This in vitro study was conducted on 44 extracted human maxillary premolars.Materials and Methods:Box-only Class II cavities on the distal surface were prepared with the dimensions of 4 mm buccolingual width, 2 mm mesiodistal depth, and gingival margin at the cementoenamel junction. They were divided into two groups of 22 teeth each and were restored accordingly: Group I – Gingival floor lined with Tetric N-Flow and were restored with Tetric N-Ceram; Group II – Gingival floor lined with Dyad flow and were restored with Herculite Precis. After thermal cycling, the sectioned tooth-restoration interfaces were evaluated for the marginal adaptation under SEM at ×200 magnification.Statistical Analysis Used:The resultant data were statistically analyzed by applying Chi-square test, using the SPSS (version 16.0) software.Results and Conclusion:There was no statistically significant difference between the study groups regarding the marginal adaptation. The marginal adaptation of the self-adhering flowable composite when used as a liner in Class II restorations was comparable to that of the conventional flowable composite.

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Evaluation of the Effect of Different Cavity Configuration (C-factor) on Marginal Adaptation of Low Shrinkage Resin Composites: An In Vitro Study

Mohammed

Elhady

2018

Al-Azhar Journal of Dental Science

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Effect of different configuration factors on marginal gap formation of two composite resin systems

Cited by 3 publications

References 43 publications

Comparative Study of Different Cavity Configuration Effect on Marginal Adaptation of Bulk Fill Versus Conventional Resin Composites

Comparative Study of Different Cavity Configuration Effect on Marginal Adaptation of Bulk Fill Versus Conventional Resin Composites

Evaluation of marginal adaptation of a self-adhering flowable composite resin liner: A scanning electron microscopic study

Evaluation of the Effect of Different Cavity Configuration (C-factor) on Marginal Adaptation of Low Shrinkage Resin Composites: An In Vitro Study

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