The marginal fit of E.max Press and E.max CAD lithium disilicate restorations: A critical review

Mounajjed, Radek; Layton, Danielle M; Azar, Basel

doi:10.4012/dmj.2016-008

Cited by 62 publications

(68 citation statements)

References 45 publications

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“…Marginal misfits of lithium disilicate ceramics have been reported to be minimal and within clinically acceptable limits . However, most studies have confirmed that heat‐pressed lithium disilicate restorations have better marginal fit the CAD/CAM restorations …”

Section: Subtractive Manufacturingmentioning

confidence: 99%

“…41 However, most studies have confirmed that heat-pressed lithium disilicate restorations have better marginal fit the CAD/CAM restorations. 42 Composition of CAD/CAM silicate ceramics, properties, and preparation requirement can be found in Table 4. 11,12,14,16,29,32 2.9 | Oxide ceramics enon is referred to as transformation toughening.…”

Section: Silicate Ceramicsmentioning

confidence: 99%

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Materials in digital dentistry—A review

Sulaiman¹

2020

J Esthet Restor Dent

172

112

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Objective To review materials available in computer‐aided design/computer‐aided manufacturing (CAD/CAM), their various properties and accuracy are compared to conventional materials/methods when available. Overview CAD/CAM in dentistry is constantly growing and becoming a user‐ and patient‐friendly technology and service using intraoral scanners and laboratory/chairside milling units to manufacture dental restorations and appliances from multiple materials including wax, metals, composite resins, and ceramics. Properties of these materials may vary when compared to restorations prepared from conventional and additive manufacturing methods. Understanding the differences in these properties is important for material and fabrication method selection. Additive manufacturing is becoming an alternative to subtractive manufacturing in many applications. However, chemical composition, mechanical and physical properties of these materials are still lacking. 3D printed materials require a considerable amount of research and time to prove their clinical efficacy. Conclusion The current developments in, and possibilities of, CAD/CAM technology is exciting and is transforming restorative dentistry. With all this excitement, it is crucially important to ensure that proper testing and evaluation of the various materials are warranted before making definite claims and decisions to replace conventionally prepared materials. Clinical Significance CAD/CAM materials are versatile and emerging as the material of choice for many restorations and appliances. For recently introduced CAD/CAM materials, it is important to ensure that proper clinical‐ and research‐based evidence confirming the success and durability of these materials are available before recommending them in patient care.

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Section: Subtractive Manufacturingmentioning

confidence: 99%

Section: Silicate Ceramicsmentioning

confidence: 99%

Materials in digital dentistry—A review

Sulaiman¹

2020

J Esthet Restor Dent

172

112

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“…Recent improvements in the mechanical properties of lithium disilicate made it one of the most common materials for fabrication of indirect restoration in dental practice (1). Its excellent esthetics and mechanical properties (2) result in restorations with high survival rates (3).…”

Section: Introductionmentioning

confidence: 99%

“…Thus, the aim of the present study was to evaluate the effect of the combination of hydrofluoric acid or silane with the self-etching ceramic primer on the immediate and after 1-year of water storage on bonding efficacy, morphological etching pattern and chemical interaction of these bonding treatments to the lithium disilicate. The following null hypotheses were evaluated in the present study: [1] the combination of hydrofluoric acid or silane with the self-etching ceramic primer will not influence the bonding efficacy immediate and after 1-year of water storage; [2] the association of hydrofluoric acid with the self-etching ceramic primer does not improve the chemical interaction to lithium disilicate when compared to the use of a separate hydrofluoric acid or a separate self-etching ceramic primer and; [3] the association of hydrofluoric acid with the self-etching ceramic primer does not improve the morphological etching pattern to lithium disilicate compared to the use of a separate hydrofluoric acid or a separate self-etching ceramic primer.…”

Section: Introductionmentioning

confidence: 99%

Effect of Self-Etching Primer Associated to Hydrofluoric acid or Silane on Bonding to Lithium Disilicate

et al. 2019

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To evaluate the effect of combining 5% hydrofluoric acid (HF) and silane (SI) with the selfetching ceramic primer on the immediate and after 1-year of water storage on bonding efficacy, conditioning pattern (CP) and chemical interaction (CI) to the lithium disilicate. A total of 16 CAD/CAM blocks of lithium disilicate (LD) were cut into four square sections (n=64). For bonding efficacy evaluation, the LD specimens were divided into 4 groups (n=10): 1) HF+SI; 2) self-etching ceramic primer (MEP); 3) HF+MEP; 4) MEP+SI. After each treatment, an adhesive system was applied and Tygon matrices were filled with a dualcured resin cement followed by light curing. Cylinder specimens (0.8 mm∅x0.5mm) were stored in water (37 °C for 24 h or 1-year) and submitted to the μSBS test (2-way ANOVA and Tukey's test; α=0.05). CP and CI were only evaluated qualitatively. No significant difference on the μSBS was observed between groups (p=0.73), but reduced μSBS was observed after 1-year of water storage (p>0.0001). After application of HF+SI and MEP, reduction in a number of siloxane bonds was observed, suggesting the coupling of SI on the LD surface. HF or HF+MEP produced a higher dissolution of the glassy matrix than the use of MEP alone. The MEP can be an alternative to traditional ceramic treatment once the chemical interaction and long-term bond strength were similar between both groups. The association of hydrofluoric acid or silane with a self-etching ceramic primer did not add any benefits in terms of chemical interaction and bonding stability.

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“…The restoration geometry, design considerations, preparation methods, and loading conditions are key factors for the long-term success of dental restorations [2][3][4][5][6][7][8]. For tooth-colored ceramic inlays in esthetic dentistry, the long-term success is an actual problem [7].…”

Section: Introductionmentioning

confidence: 99%

Marginal quality of ceramic inlays after three different instrumental cavity preparation methods of the proximal boxes

et al. 2018

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Objectives The marginal quality of ceramic inlays was evaluated after the use of three different instrumental finishing methods in mesio-occluso-distal (mod) cavity boxes in vitro after hydrothermal loading (HTL). Materials and methods Caries-free human molars were divided into three groups. Mod-cavities were conventionally prepared. Box finishing was performed in every group with rotating (RI), sonic (SI), or ultrasonic (USI) instruments. Surface roughness was examined. Twelve mod-cavities remained untreated. Continuous margin quality was evaluated with scanning electron microscopy (SEM). Ceramic inlays were cemented into cavities. After HTL microleakage, marginal and absolute marginal gaps were examined. All data were analyzed statistically. Results Significant differences were found, between cavity surface roughness of RI and SI groups, the RI and USI groups, but not between microleakage, marginal, absolute marginal gaps after HTL and in proximal marginal quality. No correlations between microleakage and marginal gaps nor between microleakage and surface roughness were found. Conclusion Mod-cavity proximal box finishing with SI or USI resulted in a higher surface roughness than the use of RI. The type of the finishing method did not influence the marginal quality of ceramic inlays. For the mod-cavity finishing, the use of SI and USI could be an alternative instrumental method to conventional RI methods with a lower risk of iatrogenic damage of the adjacent teeth. Clinical relevance This study allows the practitioner to better determine the proper indications and limitations of the sonic and ultrasonic instruments for mod-cavity proximal box finishing.

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The marginal fit of E.max Press and E.max CAD lithium disilicate restorations: A critical review

Cited by 62 publications

References 45 publications

Materials in digital dentistry—A review

Materials in digital dentistry—A review

Effect of Self-Etching Primer Associated to Hydrofluoric acid or Silane on Bonding to Lithium Disilicate

Marginal quality of ceramic inlays after three different instrumental cavity preparation methods of the proximal boxes

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