Repair of composites: Effect of laser and different surface treatments

Barcellos, Daphne Câmara; Santos, Vivian Mayumi Miyazaki; Niu, Li Na; Pashley, David H.; Tay, Franklin R.; Pucci, César Rogério

doi:10.1016/j.ijadhadh.2015.01.008

Cited by 19 publications

(15 citation statements)

References 26 publications

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“…The use of burs, followed by acid etching and application of a bonding agent, appeared to be used by over 80% of clinicians as a pretreatment for the old composite for repair [ 5 ]. This was also the most commonly taught procedure for dental students in their curriculum [ 2 , 3 , 23 , 28 ].…”

Section: Discussionmentioning

confidence: 99%

“…Silane significantly increased micro-tensile bond strength for all adhesives tested and curing procedures ( Table 5 ). Silane alone cannot replace the functions of an adhesive as a wetting agent that fills up surface irregularities in the substrate [ 23 ]. It acts merely as an adhesion promoter or a coupling agent in addition to increase wettability [ 36 ].…”

Section: Discussionmentioning

confidence: 99%

“…Because of the high viscosity and low wetting potential of composite materials, adhesive agents have been used to optimize the composite to composite bonding [ 22 , 23 ]. Lower micro-tensile bond strength was observed for Single Bond (3M ESPE) as the adhesive layer between dentin and composite was increased from one layer to three layers, whereas no correlation could be found for the more fluid Clearfil SE (Kuraray) [ 24 ].…”

Section: Introductionmentioning

confidence: 99%

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Effect of curing and silanizing on composite repair bond strength using an improved micro-tensile test method

Elíasson

Dahl

2017

Acta Biomaterialia Odontologica Scandinavica

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Objectives: To evaluate the micro-tensile repair bond strength between aged and new composite, using silane and adhesives that were cured or left uncured when new composite was placed. Methods: Eighty Filtek Supreme XLT composite blocks and four control blocks were stored in water for two weeks and thermo-cycled. Sandpaper ground, etched and rinsed specimens were divided into two experimental groups: A, no further treatment and B, the surface was coated with bis-silane. Each group was divided into subgroups: (1) Adper Scotchbond Multi-Purpose, (2) Adper Scotchbond Multi-Purpose adhesive, (3) Adper Scotchbond Universal, (4) Clearfil SE Bond and (5) One Step Plus. For each adhesive group, the adhesive was (a) cured according to manufacturer’s instructions or (b) not cured before repair. The substrate blocks were repaired with Filtek Supreme XLT. After aging, they were serially sectioned, producing 1.1 × 1.1 mm square test rods. The rods were prepared for tensile testing and tensile strength calculated at fracture. Type of fracture was examined under microscope. Results: Leaving the adhesive uncured prior to composite repair placement increased the mean tensile values statistically significant for all adhesives tested, with or without silane pretreatment. Silane surface treatment improved significantly (p < 0.001) tensile strength values for all adhesives, both for the cured and uncured groups. The mean strength of the control composite was higher than the strongest repair strength (p < 0.001). Conclusions: Application of freshly made silane and a thin bonding layer, rendered higher tensile bond strength. Not curing the adhesive before composite placement increased the tensile bond strength.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effect of curing and silanizing on composite repair bond strength using an improved micro-tensile test method

Elíasson

Dahl

2017

Acta Biomaterialia Odontologica Scandinavica

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“…A total of 300 relevant articles were obtained from three respective databases, namely Web of Science, PubMed, and Scopus. Eight studies remained relevant (4,(15)(16)(17)(18)(19)(20)(21) after reviewing the title, eliminating duplicate articles, and evaluating the study selection criteria. The majority of these eight selected studies have been conducted in Iran, and the most recent study belonged to 2018 (20).…”

Section: Resultsmentioning

confidence: 99%

Examining the Effect of Laser Radiation on the Repair of Dental Composite Restorations: A Systematic Review

Rezaei-Soufi

Maddah

Mohammadi

2020

Avicenna J Dent Res

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Background: This study aimed to determine the impact of laser radiation on the repair bond strength of dental composite restorations by gathering, assessing, and systematically reviewing previous articles referring to this issue. Methods: Several previous studies relevant to the objectives of this research were found in PubMed, Scopus, and Web of Science databases. All prior articles indexed in these databases according to the selected keywords until 2018 were gathered and assessed. Some article abstracts showed the necessary basic conditions for inclusion in the study. Therefore, the full texts of these relevant articles were further evaluated in terms of the study objectives. Results: A total of 300 relevant articles were obtained by searching the databases. Eight studies remained highly relevant after performing a title review, eliminating the duplicate articles, and implementing the selection criteria. The latest study was conducted in 2018. A statistically significant difference was observed between the impacts of laser and other methods in the seven of these final relevant studies. Of these articles, five indicated a better impact in the case of other methods, particularly the dental milling technique, and one study was related to the impacts of the laser method. Additionally, the Er,Cr: YSGG laser was considered the most adequate laser in these studies. Conclusions: According to the review of prior studies on the impact of laser radiation on the repair bond strength of composite restorations, Er: YAG and Er,Cr: YSGG lasers are advised for surface preparation of composites. However, surface preparation by adopting the milling technique remains the adequate choice for repairing composites.

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“…Furthermore, toxic issues may be involved when chemicals are used such as formocresol, a material commonly used for devitalization of dental pulp that may damage liver and kidney tissues [ 4 ]. To overcome these disadvantages of the conventional procedures, light amplification by stimulated emission of radiation (laser) has become an attractive alternative that led to a recent evaluation of the efficacy and feasibility of using lasers in dentistry [ 5 , 6 , 7 , 8 , 9 , 10 ].…”

Section: Introductionmentioning

confidence: 99%

Applications of Light Amplification by Stimulated Emission of Radiation (Lasers) for Restorative Dentistry

et al. 2015

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Light amplification by stimulated emission of radiation (laser) has been used widely in a range of biomedical and dental applications in recent years. In the field of restorative dentistry, various kinds of lasers have been developed for diagnostic (e.g. caries detection) and operative applications (e.g. tooth ablation, cavity preparation, restorations, bleaching). The main benefits for laser applications are patient comfort, pain relief and better results for specific applications. Major concerns for using dental lasers frequently are high cost, need for specialized training and sensitivity of the technique, thereby compromising its usefulness particularly in developing countries. The main aim of this paper is to evaluate and summarize the applications of lasers in restorative dentistry, including a comparison of the applications of lasers for major restorative dental procedures and conventional clinical approaches. A remarkable increase in the use of lasers for dental application is expected in the near future.

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Repair of composites: Effect of laser and different surface treatments

Cited by 19 publications

References 26 publications

Effect of curing and silanizing on composite repair bond strength using an improved micro-tensile test method

Effect of curing and silanizing on composite repair bond strength using an improved micro-tensile test method

Examining the Effect of Laser Radiation on the Repair of Dental Composite Restorations: A Systematic Review

Applications of Light Amplification by Stimulated Emission of Radiation (Lasers) for Restorative Dentistry

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