A comparative effect of various surface chemical treatments on the resin composite-composite repair bond strength

Shaloo Gupta, Abhishek Parolia, Ashish Jain, M. Kundabala, Mandakini Mohan, Isabel Cristina Celerino De Moraes Porto

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Aim: The aim of this in vitro study was an attempt to investigate the effect of different surface treatments on the bond strength between pre-existing composite and repair composite resin. Materials and Methods: Forty acrylic blocks were prepared in a cuboidal mould. In each block, a well of 5 mm diameter and 5 mm depth was prepared to retain the composite resin (Filtek™ Z350, 3M/ESPE). Aging of the composite discs was achieved by storing them in water at 37°C for 1 week, and after that were divided into 5 groups (n = 8) according to surface treatment: Group I- 37% phosphoric acid, Group II-10% hydrofluoric acid, Group III-30% citric acid, Group IV-7% maleic acid and Group V- Adhesive (no etchant). The etched surfaces were rinsed and dried followed by application of bonding agent (Adper™ Single Bond 2. 3M/ESPE). The repair composite was placed on aged composite, light-cured for 40 seconds and stored in water at 37°C for 1 week. Shear bond strength between the aged and the new composite resin was determined with a universal testing machine (crosshead speed of 0.5 mm/min). Statistical Analysis: The compressive shear strengths were compared for differences using ANOVA test followed by Tamhane′s T2 post hoc analysis. Results: The surface treatment with 10% hydrofluoric acid showed the maximum bond strength followed by 30% citric acid, 7% maleic acid and 37% phosphoric acid in decreasing order. Conclusion: The use of 10% hydrofluoric acid can be a good alternative for surface treatment in repair of composite resin restoration as compared to commonly used 37% orthophosphoric acid.

Original languageEnglish
Pages (from-to)245-249
Number of pages5
JournalJournal of Indian Society of Pedodontics and Preventive Dentistry
Volume33
Issue number3
DOIs
Publication statusPublished - 01-01-2015

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Composite Resins
Hydrofluoric Acid
Shear Strength
Citric Acid
Compressive Strength
Water
Analysis of Variance
Fungi
Light
phosphoric acid
maleic acid

All Science Journal Classification (ASJC) codes

  • Dentistry(all)

Cite this

Gupta, Shaloo ; Parolia, Abhishek ; Jain, Ashish ; Kundabala, M. ; Mohan, Mandakini ; De Moraes Porto, Isabel Cristina Celerino. / A comparative effect of various surface chemical treatments on the resin composite-composite repair bond strength. In: Journal of Indian Society of Pedodontics and Preventive Dentistry. 2015 ; Vol. 33, No. 3. pp. 245-249.
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abstract = "Aim: The aim of this in vitro study was an attempt to investigate the effect of different surface treatments on the bond strength between pre-existing composite and repair composite resin. Materials and Methods: Forty acrylic blocks were prepared in a cuboidal mould. In each block, a well of 5 mm diameter and 5 mm depth was prepared to retain the composite resin (Filtek™ Z350, 3M/ESPE). Aging of the composite discs was achieved by storing them in water at 37°C for 1 week, and after that were divided into 5 groups (n = 8) according to surface treatment: Group I- 37{\%} phosphoric acid, Group II-10{\%} hydrofluoric acid, Group III-30{\%} citric acid, Group IV-7{\%} maleic acid and Group V- Adhesive (no etchant). The etched surfaces were rinsed and dried followed by application of bonding agent (Adper™ Single Bond 2. 3M/ESPE). The repair composite was placed on aged composite, light-cured for 40 seconds and stored in water at 37°C for 1 week. Shear bond strength between the aged and the new composite resin was determined with a universal testing machine (crosshead speed of 0.5 mm/min). Statistical Analysis: The compressive shear strengths were compared for differences using ANOVA test followed by Tamhane′s T2 post hoc analysis. Results: The surface treatment with 10{\%} hydrofluoric acid showed the maximum bond strength followed by 30{\%} citric acid, 7{\%} maleic acid and 37{\%} phosphoric acid in decreasing order. Conclusion: The use of 10{\%} hydrofluoric acid can be a good alternative for surface treatment in repair of composite resin restoration as compared to commonly used 37{\%} orthophosphoric acid.",
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A comparative effect of various surface chemical treatments on the resin composite-composite repair bond strength. / Gupta, Shaloo; Parolia, Abhishek; Jain, Ashish; Kundabala, M.; Mohan, Mandakini; De Moraes Porto, Isabel Cristina Celerino.

In: Journal of Indian Society of Pedodontics and Preventive Dentistry, Vol. 33, No. 3, 01.01.2015, p. 245-249.

Research output: Contribution to journalArticle

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AU - Jain, Ashish

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AU - Mohan, Mandakini

AU - De Moraes Porto, Isabel Cristina Celerino

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N2 - Aim: The aim of this in vitro study was an attempt to investigate the effect of different surface treatments on the bond strength between pre-existing composite and repair composite resin. Materials and Methods: Forty acrylic blocks were prepared in a cuboidal mould. In each block, a well of 5 mm diameter and 5 mm depth was prepared to retain the composite resin (Filtek™ Z350, 3M/ESPE). Aging of the composite discs was achieved by storing them in water at 37°C for 1 week, and after that were divided into 5 groups (n = 8) according to surface treatment: Group I- 37% phosphoric acid, Group II-10% hydrofluoric acid, Group III-30% citric acid, Group IV-7% maleic acid and Group V- Adhesive (no etchant). The etched surfaces were rinsed and dried followed by application of bonding agent (Adper™ Single Bond 2. 3M/ESPE). The repair composite was placed on aged composite, light-cured for 40 seconds and stored in water at 37°C for 1 week. Shear bond strength between the aged and the new composite resin was determined with a universal testing machine (crosshead speed of 0.5 mm/min). Statistical Analysis: The compressive shear strengths were compared for differences using ANOVA test followed by Tamhane′s T2 post hoc analysis. Results: The surface treatment with 10% hydrofluoric acid showed the maximum bond strength followed by 30% citric acid, 7% maleic acid and 37% phosphoric acid in decreasing order. Conclusion: The use of 10% hydrofluoric acid can be a good alternative for surface treatment in repair of composite resin restoration as compared to commonly used 37% orthophosphoric acid.

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