Effect of Material and Configuration of Antagonist on Combined Wear

Kato, Katuma; Kakuta, Kiyoshi; Ogura, Hideo

doi:10.4012/dmj.24.368

Cited by 11 publications

(14 citation statements)

References 10 publications

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“…Details of the combined wear test were given in previous reports [4][5][6] . A combined wear test, which simulated occlusal wear and brushing wear alternately, was carried out on the surfaces of the composite resin specimens.…”

Section: Combined Wear Testmentioning

confidence: 99%

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Surface textures of composite resins after combined wear test simulating both occlusal wear and brushing wear

Kakuta¹,

Wonglamsam²,

Goto³

et al. 2012

Dent. Mater. J.

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The purpose of this study was to investigate the relation between the texture of worn surfaces of composite resins and the maximum wear depth. Three types of composite resins were investigated: a hybrid composite resin consisting of irregular-shaped inorganic filler particles (APX); a composite resin which contained small, irregular-shaped, inorganic filler particles and large organic composite filler particles (SRE); and another which contained spherical inorganic filler particles and large organic composite filler (SDX). Surface profile measurement and elemental analysis were carried out on the worn surfaces of these three composite resins using an electron probe microanalyzer (EPMA). For the composite resin which exhibited the largest maximum wear depth, its surface texture was slightly rough with fine pores and grooves. For the composite resin with lowest maximum wear depth, it had a smooth worn surface due to the large organic composite filler being abraded during the combined wear test.

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Section: Combined Wear Testmentioning

confidence: 99%

“…Specimen preparation details were given in previous reports [4][5][6] . Briefly, each wear specimen was prepared using a metal mold (diameter: 15 mm, depth: 8 mm).…”

Section: Specimen Preparationmentioning

confidence: 99%

Surface textures of composite resins after combined wear test simulating both occlusal wear and brushing wear

Kakuta¹,

Wonglamsam²,

Goto³

et al. 2012

Dent. Mater. J.

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“…Three composite resins (Clearfil AP-X, Kuraray, Okayama, Japan; Restorative Z100, 3M, MN, USA; and Solidex-F, Shofu, Kyoto, Japan) were intended for both anterior and posterior restorations, while one composite resin (Solare P, GC, Tokyo, Japan) was for posterior restorations. Preparation of the wear specimens was carried out following a procedure reported in previous studies [10][11][12] . A wear specimen was prepared using a metal mold (diameter: 15 mm, depth: 8 mm).…”

Section: Preparation Of Specimensmentioning

confidence: 99%

“…Various types of wear tests have been used to evaluate the wear behavior of composite resins [6][7][8][9] . Of late, studies by Wakamatsu et al 10) , Kato et al 11) , and Kon et al 12) proposed a combined wear test which alternately carries out simulated occlusal wear test and toothbrush wear test. This test method simulates our daily routine of alternately repeating toothbrushing and mastication.…”

Section: Introductionmentioning

confidence: 99%

“…This test method simulates our daily routine of alternately repeating toothbrushing and mastication. In previous studies [10][11][12] , the effects of the following factors on combined wear of composite resins were investigated: material and configuration of antagonist, and magnitude of brushing and occlusal forces. In the present study, the focus was on the effect of brushing and occlusal cycles on the combined wear of composite resins.…”

Section: Introductionmentioning

confidence: 99%

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Effects of Occlusal and Brushing Cycles on Wear of Composite Resins in Combined Wear Test

2008

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The effects of occlusal cycles and brushing cycles on wear of composite resins were investigated using a combined wear test, which carried out occlusal and toothbrush wear tests alternately. Worn volume and maximum worn depth were measured to evaluate wear under four combinations of two different cycles (occlusal cycles: 50 and 150 cycles; brushing cycles: 20 and 50 cycles). With composite resin APX, which consisted of relatively large and irregular-shaped filler particles, its worn volume and worn depth significantly increased with the number of occlusal cycles. With composite resin Z100, which consisted of relatively small and irregular-shaped filler particles, its wear values significantly increased with both brushing and occlusal cycles. With composite resin SRE, which consisted of small, irregular-shaped, inorganic filler particles and large organic filler particles, its worn volume significantly increased with the occlusal cycle when under a lower brushing cycle. With composite resin SDX, which consisted of spherical inorganic filler particles and large organic filler particles, its wear was not influenced by increases in both brushing and occlusal cycles.

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Wear and mechanical properties of composite resins consisting of different filler particles

2012

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To investigate the effects of different fillers and their contents on the wear of composite resins, four composites (CS: non-porous spherical silica, AS: porous spherical silica, AZ: porous spherical zirconium silicate, and IS: non-porous irregular-shaped silica) were experimentally prepared using different fillers (CS, AZ, AS and IS). Simulated occlusal wear and toothbrush wear were evaluated for these composites and their worn surfaces were observed. The mechanical properties (flexural strength, elastic modulus and hardness) of these composites were determined to examine the relationships between wear and these mechanical properties. CS showed the highest occlusal wear, but the lowest toothbrush wear among four composites. AS and AZ had lower occlusal wear than CS and IS, while their toothbrush wear was higher than CS and close to that of IS. All composites showed increase in the occlusal wear as filler content increased. CS and IS showed decrease in the toothbrush wear as the filler content increased, whereas AS and AZ did not. The occlusal wear surfaces of CS and IS had concavities, while those of AZ and AS were relatively smooth with flattened filler. The toothbrush wear surfaces of CS and IS revealed the extrusion of filler from resin matrix, whereas those of AZ and AS were smooth with flattened filler. The toothbrush wear of CS and IS decreased as the mechanical properties increased, whereas those of AS and AZ did not. The occlusal wear of all composites increased as the mechanical properties increased, which would not reflect effects of these mechanical properties.

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Effect of Material and Configuration of Antagonist on Combined Wear

Cited by 11 publications

References 10 publications

Surface textures of composite resins after combined wear test simulating both occlusal wear and brushing wear

Surface textures of composite resins after combined wear test simulating both occlusal wear and brushing wear

Effects of Occlusal and Brushing Cycles on Wear of Composite Resins in Combined Wear Test

Wear and mechanical properties of composite resins consisting of different filler particles

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