Water content in experimental dentine primers to minimize the contraction gap width of a light-cured resin composite

Yokoi, Kazuhiro; Miyaji, Hidehiko; Itoh, Kazuo; Hisamitsu, Hisashi; Wakumoto, Sadao

doi:10.1016/0300-5712(95)98978-c

Cited by 6 publications

(2 citation statements)

References 8 publications

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“…Valores de p (1) Os grupos que uti lizaram sistemas adesivos autocondicionantes não apresentaram melhores performances que aquele que uti lizou o sistema adesivo convencional, contrastando com achados prévios [14][15][16][17][18] . Este resultado corrobora com pesquisa anterior 19 , onde os dois sistemas adesivos testados (convencional e autocondicionante) não apresentaram diferenças estati sti camente signifi cantes em relação à microinfi ltração 19 .…”

Section: Médiaunclassified

Análise da Microinfiltração em Dentes Decíduos Utilizando Diferentes Técnicas Adesivas

Carvalho¹,

Sá²,

Filho³

et al. 2010

Pesq Bras Odontoped Clin Integr

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Adesivos denti nários; Dente decíduo; Infi ltração dentária. Objecti ve: To evaluate in vitro the microleakage in restorati ons placed in primary molars using diff erent adhesive techniques. Method: Caviti es prepared in the buccal and lingual faces of the teeth were randomly assigned to four groups: G1 (n=10) selfetch adhesive system (Adper Prompt L-Pop); G2 (n=10) etchand-rinse adhesive system (Adper Single Bond 2); G3 (n=10) 37% phosphoric acid etching plus self-etch adhesive system (Self-Etch Bond); G4 (n=10) self-etch adhesive system (Self-Etch Bond). Groups 1 and 2 were restored with the composite resin Concept Advanced (Vigodent), while groups 3 and 4 were restored with the composite resin Z100 (3M). The teeth were subjected to a thermocycling regimen of 125 cycles between ±5 o and ± 55 o with dwell ti me of 10 seconds, and were rendered waterproof (quick-setti ng adhesive + nail polish), immersed in 0.5% basic fuchsine and secti oned in a buccolingual directi on. The specimens were examined by three calibrated examiners under a stereomicroscope (Coleman) at ×25 magnifi cati on, according to a pre-established scoring system (0-1). Descripti ve stati sti cal analysis was done and the chi-squared test was used with a signifi cance level of 5%. Results: The adhesive techniques did not prevent the occurrence microleakage. In the occlusal margin, group 4 presented signifi cantly higher microleakage than the other groups. In the cervical margin, group 1 presented signifi cantly higher microleakage than the other groups. Comparing the groups irrespecti vely of the margins, groups 2 and 3 presented lesser microleakage and diff ered signifi cantly from the other groups. Conclusion: None of the adhesive systems was capable of sealing the cavity margins completely. Denti n-bonding agents; Tooth, deciduous; Dental leakage.

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Section: Médiaunclassified

Análise da Microinfiltração em Dentes Decíduos Utilizando Diferentes Técnicas Adesivas

Carvalho¹,

Sá²,

Filho³

et al. 2010

Pesq Bras Odontoped Clin Integr

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“…Contraction gap formation of the light activated resin composite in the cylindrical dentine cavity was prevented completely by the ethylenediaminetetraacetic acid (EDTA) conditioning, GM priming and application of a commercial dual cured dentine‐bonding agent. The optimum concentration of the GM was between 25 and 35 vol % (12, 13).…”

Section: Introductionmentioning

confidence: 99%

Bonding efficacy and side effects of the high purity glyceryl mono‐methacrylate

Takahashi

Itoh

Manabe

et al. 2004

J of Oral Rehabilitation

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The purpose of this study was to examine the efficacy of experimentally developed high purity glyceryl mono-methacrylate (GM) as a dentine primer and to evaluate the possibility of allergic reaction. The efficacy of experimental dentine primers was evaluated by measuring the polymerization contraction gap width and the tensile bond strength. Allergic reaction was evaluated by the guinea-pig maximization test. The skin reaction was evaluated according to the criteria of the International Contact Dermatitis Research Group. Contraction gap formation was completely prevented and the tensile bond strength was not significantly affected by priming with GM on high-purity GM. The allergic response decreased when high-purity GM was employed as the challenger. It was concluded that the clinical use of the high-purity GM is beneficial as the delayed allergic reaction could be avoided with no detrimental effect on the dentine bonding.

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