Enamel wear and surface roughness characterization using 3D profilometry

Casas, Estevam Barbosa de Las; Bastos, Flávia de Souza; Godoy, Cristina; Buono, Vicente Tadeu Lopes

doi:10.1016/j.triboint.2008.03.008

Cited by 31 publications

(24 citation statements)

References 12 publications

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“…Its use to monitor erosion was first mentioned in 1997 97 and, more recently, it has been used to describe the native enamel surface. 98 The bearing curve represents the cumulative distribution of the lengths of individual plateaux, normalised by the total assessment length. If this ratio was plotted against sample height, the bearing area curve results (Fig.…”

Section: Bearing Parametersmentioning

confidence: 99%

Quantifying and qualifying surface changes on dental hard tissues in vitro

Field

Waterhouse

German

2010

Journal of Dentistry

112

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Section: Bearing Parametersmentioning

confidence: 99%

Quantifying and qualifying surface changes on dental hard tissues in vitro

Field

Waterhouse

German

2010

Journal of Dentistry

112

View full text Add to dashboard Cite

“…In these respects our study is very similar to the only veterinary study performed on quantitative scaler effects on the canine tooth enamel (Brine et al 2000). In similar human studies, the preparation of samples often includes different methods of storage, cutting, grinding, polishing and even freezing (Kuhar et al 1997;Eisenburger and Addy 2002;Las Casas et al 2008;Yu et al 2009) prior to the actual experimental procedures in order to render surfaces as smooth as possible. It could be suggested that the flat, polished enamel surface would be beneficial for precise measurements; on the other hand, such surface preparations remove up to several hundred micrometres of enamel.…”

Section: Discussionmentioning

confidence: 68%

“…It could be suggested that the flat, polished enamel surface would be beneficial for precise measurements; on the other hand, such surface preparations remove up to several hundred micrometres of enamel. This considerably alters the superficial layer of enamel, which is believed to be very resistant to mechanical insults and chemical permeability (Kuhar et al 1997), although Las Casas et al (2008) suggested that the surface irregularities become less obvious when the medium enamel layer (with irregular prism orientation) is reached. When this layer is incomplete or absent, the values can be considered only relatively comparable to data from studies with the same sample preparation, and some authors admit that their preparation methods can alter the interpretability of results (Yu et al 2009).…”

Section: Discussionmentioning

confidence: 99%

Three-dimensional optical assessment of experimental iatrogenic mechanical damage to canine dental enamel caused by a sonic scaler

Janalík¹,

Fichtel²,

Šperka³

et al. 2014

Vet. Med. - Czech

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ABSTRACT:Removal of dental calculus deposits is one of the basic parts of professional dental cleaning. Despite the popularity of power-driven scalers, several risks are associated with their use, mechanical damage of the enamel surface being one of the most important. The present study evaluated enamel damage caused by a sonic scaler in different work patterns to quantify the damage and allow a clear comparison. Seventy-five canine teeth were carefully extracted from twenty-three dogs. The scaler was used on a clean surface with several combinations of time (five to twenty seconds) and parts of the scaler (point vs. side of the tip). Subsequently, damaged surface topography was mapped using three-dimensional optical microscopy. The results revealed a high variance in defect depth which was influenced by both factors. Statistical assessment confirmed highly significant (P < 0.001) or at least significant (P < 0.05) differences in data acquired for each group. As expected, the shallowest defects were produced by the scaler side in the shortest experimental period (five seconds). Point use proved to be quite damaging, as it resulted in approximately four times higher median values than the side in the same timeframe. Therefore, it is crucial to follow all safety precautions when handling a power-driven scaler even during routine treatments. Use of the side of the tip and constant movement on the tooth surface are essential to reduce the risk of enamel damage.

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“…In the present study, digital profilometry was applied to analyze the roughness parameters because this technique ensures excellent lateral and vertical resolution in a representative area of the sample [1,15]. Since poor data about zirconia roughness is available in the literature, the roughness parameters measured in this study were the most commonly evaluated in general Dentistry [1,16].…”

Section: Discussionmentioning

confidence: 99%

“…An increasing demand of dental restorations using biomimetic materials has been observed in an attempt to reproduce esthetics and masticatory strength and also to provide biocompatibility without causing excessive wear on opposite dentition [1][2][3][4]. Despite of surface chemical stability reducing bond strength with resin cements and lower esthetic properties than lithium disilicate, among all commercially available materials, zirconia has been widely used in dentistry to fabricate implant abutments and prostheses framework [4].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Surface Roughness of Monolithic Zirconia after Using Different Polishing Kits

Bandeira

Queiroz

Freitas³

et al. 2017

Pesqui. bras. odontopediatria clín. integr.

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Objective: To evaluate the effect of different kits to polish monolithic zirconia on its surface roughness. Material and Methods: Five samples were fabricated using zirconia blocks. Each sintered block was divided into four areas of equal size and each area was subjected to a specific surface treatment according to the four groups of the study: GC: no surface treatment, GG: unidirectional grinding with high speed tapered bur under refrigeration, GP1: wear similar to GG followed by polishing with zirconia polishing kit Kenda at the same wear direction, and GP2: wear similar to GG followed by polishing with zirconia polishing kit Diacera at the same wear direction. Qualitative and quantitative analyses of ceramic topography and roughness were performed using a digital optical profilometer, and Roughness measurements were performed using two parameters (Ra and Rz: arithmetical mean of the absolute values of the surface departures and of the five highest peaks and valleys, respectively). Scanning electron micrographs of each ceramic surface were obtained to illustrate sample roughness. The means of each group were analyzed by 1-way ANOVA followed by Tukey's test. Results: Morphological analysis showed that polishing kits provided the same pattern of a smooth surface. To statistical analysis, this study showed that different polishing kits influenced zirconia roughness for both Ra and Rz after surface wear (p < 0.05) with both situations improved the surface roughness observed immediately after zirconia sintering. Conclusion: According to the results, both polish kits resulted in a surface texture within acceptable clinical parameters.

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Enamel wear and surface roughness characterization using 3D profilometry

Cited by 31 publications

References 12 publications

Quantifying and qualifying surface changes on dental hard tissues in vitro

Quantifying and qualifying surface changes on dental hard tissues in vitro

Three-dimensional optical assessment of experimental iatrogenic mechanical damage to canine dental enamel caused by a sonic scaler

Evaluation of Surface Roughness of Monolithic Zirconia after Using Different Polishing Kits

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