Effects of etching time of primary dentin on interface morphology and microtensile bond strength

Bolaños-Carmona, Victoria; González-López, Santiago; Briones-Luján, Teresa; Haro-Muñoz, Cristina De; Macorra, José C. de la

doi:10.1016/j.dental.2005.09.008

Cited by 27 publications

(54 citation statements)

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“…In the current study, the etching time has been found to affect the surface features of etched tooth tissues. For example, the recommended etching time for dentinal tissue is 15 s 14) and observed to compromise the micron tensile bonding strength while using a reduced etching time of 5 s 8) . The variation in etching time affects the dental hard tissues at a structural level (such as surface properties) that is also reflected in clinical applications.…”

Section: Discussionmentioning

confidence: 99%

“…Acid etching technique using phosphoric acid is well accepted for various applications in dentistry [3][4][5][6]8,10,[12][13][14][15][16] . In the current study, the etching time has been found to affect the surface features of etched tooth tissues.…”

Section: Discussionmentioning

confidence: 99%

“…Similarly an additional 30 s etching is suggested for enamel if uniform white frosted appearance is not obtained using the recommended etching time 2) . In order to improve the adhesion of resin restorative materials to the tooth structure, the role of acid etching using phosphoric acid (35-38%) has been well documented and supported by a number of studies [3][4][5][6][7][8][9][10] . The effect of etching time on the final bond strength as well as underlying physical surface properties is not very well understood.…”

Section: Introductionmentioning

confidence: 99%

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The effects of acid etching time on surface mechanical properties of dental hard tissues

Zafar

Ahmed

2015

Dent. Mater. J.

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The objective of this study was to evaluate the effect of etching time on the surface properties of dental hard tissues including enamel and dentin. For this purpose, samples were prepared using extracted human teeth and treated with 37% phosphoric acid for various length of time using the set protocol. The effects of etching time on surface roughness were assessed using non-contact surface roughness profilometer and surface hardness was measured using nanoindentation technique. All results were analyzed statistically using SPSS computer software. Within the limitation of this study, it was concluded that etching time influences on the surface properties of dental hard tissues particularly the enamel. Enamel surface properties such as roughness and hardness can be altered remarkable as a matter of few seconds. Prolonged etching time than recommended is likely to increase the surface roughness and decrease surface hardness; compromising the bond strength of adhesive materials in clinical applications.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The effects of acid etching time on surface mechanical properties of dental hard tissues

Zafar

Ahmed

2015

Dent. Mater. J.

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“…Conhecendo as particularidades da dentina dos dentes decíduos, principalmente no que se refere ao seu menor grau de mineralização, é questionável que o mesmo tempo de condicionamento ácido seja aplicado para dentes decíduos e para permanentes. No entanto, ainda não existe por parte dos fabricantes um protocolo diferenciado para o uso de sistemas adesivos em dentes decíduos 29 , o que desconsidera a composição, as 8 , sobre o tempo de condicionamento ácido em dentes decíduos. Estes autores sugeriram a maior reatividade da dentina decídua ao condicionamento ácido e sendo assim a mesma foi condicionada por 7s.…”

Section: Figura 3 Distribuição Do Número De Espécimes Através Dos Váunclassified

Influência do Grau de Umidade da Dentina Decídua na Infiltração Marginal da Interface Formada com Três Sistemas Adesivos

Moraes¹,

Cajazeira²,

Deveza³

et al. 2013

Pesqui. bras. odontopediatria clín. integr.

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Objetivo: Avaliar a infiltração marginal na interface formada com três sistemas adesivos convencionais (XP Bond ® , Single Bond 2 ® e Scotchbond Multi-Uso ® ), segundo o grau de umidade da dentina decídua. Métodos: Trinta preparos classe V foram alocados em seis grupos, segundo o tipo de adesivo e modo de secagem da dentina (seca ou úmida). Após restauração e envelhecimento artificial por 30 dias, os corpos de prova foram imersos em nitrato de prata a 50% por 24h. O grau de infiltração marginal foi medido através de escores relacionados à penetração do traçador pelas margens da restauração. Testes não-paramétricos de Kruskal-Wallis e Mann-Whitney (α=5%) foram utilizados. Resultados: Menores escores para infiltração marginal foram encontrados para o XP Bond ® comparado aos outros adesivos. Segundo o tipo de dentina, não observou-se diferença entre dentina úmida e seca nos grupos XP Bond ® e Single Bond 2 ® , porém neste, 55% dos espécimes apresentaram algum grau de infiltração. Para o Scotchbond Multi-Uso ® , melhores resultados foram encontrados para dentina seca. Segundo grupos com o mesmo grau de umidade na dentina, não houve diferença entre XP Bond ® e Single Bond 2 ® em dentina úmida. Em dentina seca, escores mais baixos de infiltração foram encontrados para o XP Bond ® . Não foram detectadas diferenças entre XP Bond ® e Scotchbond Multi-Uso ® tanto em dentina úmida quanto em dentina seca. Para a comparação Single Bond 2 ® vs. Scotchbond Multi-Uso ® não foram encontradas diferenças em dentina úmida, porém, em dentina seca, menor grau de infiltração foi obtida para o Scotchbond MultiUso ® . Conclusão: Quanto à infiltração marginal, o XP Bond® apresentou eficiência na adesão em dentina decídua úmida ou seca. O Scotchbond Multi-Uso ® pode apresentar indicação em dentina decídua seca, enquanto que o Single Bond 2 ® não foi eficiente para ambos os tipos de dentina decídua.Dente Decíduo; Infiltração Dentária; Adesivos Dentinários. , according to the moisture of primary tooth dentin. Method: Thirty class V cavities were assigned to 6 groups according to the adhesive system and dentin condition (dry or moist). After restoration and artificial ageing for 30 days, the specimens were immersed in 50% silver nitrate for 24 h. The intensity of marginal infiltration was determined by scores related to the tracer penetration through the dentin/restoration margins. Non-parametric Kruskal-Wallis and Mann-Whitney tests were used for statistical analysis (α=5%). Results: Lower marginal infiltration scores were found for XP Bond ® compared with the other adhesive systems. Regarding dentin condition, there was no difference between dry and moist dentin for XP Bond ® and Single Bond 2 ® , but 55% of the specimens treated with latter exhibited some degree of infiltration. For Scotchbond Multi-Purpose ® , the best results were obtained with dry dentin. Comparing the groups with the same dentin condition (dry or most), there was no difference between XP Bond ® and Single Bond 2 ® for moist dentin. Lower infiltration scores were obtai...

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“…The first one is represented by elimination of calcium phosphates and with creation of micropores on the surfaces of the enamel and the dentine. The second one, the so called hybridization phase, is represented by infiltration and subsequent polymerization of the resin into created superficial micropores (1,4,37). Both phases facilitate the bonding of the adhesive onto the dental structure.…”

Section: Introductionmentioning

confidence: 99%

Hybrid Layer Thickness in Primary and Permanent Teeth – A Comparison Between Total Etch Adhesives

Gateva¹,

Kabaktchieva²

2012

JofIMAB

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Effects of etching time of primary dentin on interface morphology and microtensile bond strength

Cited by 27 publications

References 27 publications

The effects of acid etching time on surface mechanical properties of dental hard tissues

The effects of acid etching time on surface mechanical properties of dental hard tissues

Influência do Grau de Umidade da Dentina Decídua na Infiltração Marginal da Interface Formada com Três Sistemas Adesivos

Hybrid Layer Thickness in Primary and Permanent Teeth – A Comparison Between Total Etch Adhesives

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