Indirect dental laminate veneers—an overview

Darabi, Farideh; Radafshar, Golpar; Tavangar, Maryam; Davaloo, Reza; Khosravian, Aref; Mirfarhadi, Nastaran

doi:10.1016/0300-5712(87)90067-4

Cited by 23 publications

(11 citation statements)

References 19 publications

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“…On the other hand, internal marginal adaptation is a direct measure of the cement film thickness underneath the restoration and is significantly influenced by the accuracy of fabrication process used. 6,7 While external marginal adaptation could be measured using different imaging methods as stereo or scanning electron microscopy, internal marginal adaptation requires sectioning of these restorations in order to assess the cement film thickness underneath the cemented restorations. 8,9 Holmes measured various points between the casting and the tooth and clarified the terminology for misfit and defined the internal gap as the perpendicular measurement from the axial wall to the internal surface of the restoration.…”

Section: Introductionmentioning

confidence: 99%

Internal adaptation, marginal accuracy and microleakage of a pressable versus a machinable ceramic laminate veneers

Aboushelib¹,

Elmahy²,

Ghazy³

2012

Journal of Dentistry

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Section: Introductionmentioning

confidence: 99%

Internal adaptation, marginal accuracy and microleakage of a pressable versus a machinable ceramic laminate veneers

Aboushelib¹,

Elmahy²,

Ghazy³

2012

Journal of Dentistry

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“…19 Theoretically, veneers should be subjected to minimal occlusal load and only used to restore esthetics, not function. 20 However, Friedman 21 held a different opinion and argued that veneers with appropriate incisal length could also provide valid anterior guidance. As a result, identifying factors that could be used to improve the mechanical behavior of veneers is important, especially the most appropriate preparation design.…”

Section: Discussionmentioning

confidence: 99%

Efficacy of Incisal Preparation Designs on the Fracture Resistance of Two Cad/Cam Laminate Veneers

Essam¹,

Motawea²,

Eltayeb³

2017

Egyptian Dental Journal

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Statement of problem: Mechanical properties are cardinal for the long-term clinical success of laminate veneer restorations. The most common failure is fracture and debonding, in which unfavorable occlusion and articulation play an important role. Nonetheless, the effect of different incisal preparations on the behavior of veneers remains controversial. Objective: The purpose of this study was to evaluate the fracture load of two different CAD/ CAM laminate veneer materials: resin nano-ceramic [lava ultimate] and lithium disilicate glass ceramic [IPS e-max CAD], with two different incisal preparation designs [butt-Joint and incisal overlap]; using both in-vitro and finite element analysis studies. Materials and Methods: A total of 20 maxillary central incisors were used in this study. The samples were divided into two main groups (n=10), according to the CAD/CAM material used. Ten laminate restorations were constructed for each group following the manufacturer's directions with the two preparation designs (5 samples each), then cemented on their corresponding teeth. Fracture load was recorded for each specimen using the universal testing machine. Meanwhile, Finite element analysis study was performed to assess the in-vitro observations. Results: The results revealed that incisal overlap design with Lava ultimate laminate veneers recorded the highest mean fracture strength value (395 ±37.18 N). This was supported by the finite element results that showed that the incisal overlap design with lava ultimate laminate veneers had the lowest Von Mises stress (30.75 MPa). Conclusions: Within the limitations of the present study, it was concluded that the butt-joint and incisal overlap designs demonstrated different mechanical behaviors with regard to the two different restorative materials. The incisal overlap design tolerated stresses better than the buttjoint design with both materials. Also, the incisal overlap design with resin nano-ceramic laminate veneers had the best stress distribution. Nevertheless, both types of CAD/CAM materials and different incisal preparation designs used could be considered strong enough to withstand the average anterior masticatory biting forces.

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“…Owing to an increasing demand for improved aesthetic results when restoring anterior teeth, dentists are driven to discard conservative treatment options and replace them with newly developed dental restorative materials 1) . For several years, aesthetically satisfying results in the reconstruction of anterior teeth have been achieved with full crowns.…”

Section: Introductionmentioning

confidence: 99%

Effect of fiber-reinforced composites on the failure load and failure mode of composite veneers

et al. 2009

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This study compared the initial and final failure loads and failure modes of indirect resin composite laminate veneers with and without fiber reinforcement. Forty intact lower canines received standard laminate preparations and were randomly assigned into four test groups (n=10). In Group 1, indirect resin composite veneers were repaired with two layers of preimpregnated bidirectional glass fiber weave and a restorative composite; in Group 2, with a layer of preimpregnated unidirectional glass fibers and a restorative composite; and in Group 3, with an experimental semi-IPN matrix composed of multidirectional short glass fibers. Indirect resin composite veneers without any fiber reinforcement were used as control (Group 4). All specimens were thermocycled and tested with a universal testing machine. On the final failure load, there were no statistically significant differences (p>0.05) among the test groups. Within each group, pairwise comparison of initial and final failure loads revealed statistically significant differences (p<0.05), except for Group 4 (p>0.05). On failure mode, unreinforced specimens showed instantaneous failure, whereas reinforced specimens mostly demonstrated elongated failure.

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Indirect dental laminate veneers—an overview

Cited by 23 publications

References 19 publications

Internal adaptation, marginal accuracy and microleakage of a pressable versus a machinable ceramic laminate veneers

Internal adaptation, marginal accuracy and microleakage of a pressable versus a machinable ceramic laminate veneers

Efficacy of Incisal Preparation Designs on the Fracture Resistance of Two Cad/Cam Laminate Veneers

Effect of fiber-reinforced composites on the failure load and failure mode of composite veneers

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