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Wear, Tooth clinical trials

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NCT ID: NCT05637619 Recruiting - Wear, Occlusal Clinical Trials

Natural Dentition, Prosthesis and Antagonist Wear 3D Analysis

Start date: January 1, 2022
Phase:
Study type: Observational

Wear resistance is one of the most important physical properties of teeth, and wear resistance of zirconia against artificial acrylic, enamel and composite resin denture teeth has not been clearly established. Implant-supported dental restorations present a higher threshold for occlusion perception when compared to natural teeth, which can occlusal overload mechanisms or lead to wear of rehabilitation materials or the antagonist arch. In clinical conditions, however, many other factors influence the complex interaction between dental enamel and opposing substrates: patient-related factors such as dietary habits, dysfunctional occlusion, masticatory forces, and bruxism contribute to accelerated enamel loss of antagonist teeth.

NCT ID: NCT04963530 Recruiting - Outcome Clinical Trials

Enamel Wear Evaluation in Patients With Different Ceramic Restorations

Start date: March 1, 2021
Phase: N/A
Study type: Interventional

The aim of this study is to evaluate the wear produced in the short and medium term by monolithic zirconia, metal-ceramic and lithium disilicate restorations on the antagonist natural enamel in patients with fixed prostheses, assessing the factors that may influence this wear. The investigators will also analyse whether the wear of the tooth antagonistic to the different restorations differs significantly with respect to the wear of the natural tooth (control group). The null hypothesis is that there are no significant differences.

NCT ID: NCT04914962 Not yet recruiting - Wear, Occlusal Clinical Trials

Wear of Enamel Antagonist to ZLS Crowns

zls
Start date: July 10, 2021
Phase: N/A
Study type: Interventional

The aim of this study is to evaluate the antagonist enamel wear of two processing options of Celtra duo crowns (polished and glaze fired) restoring posterior teeth in comparison with sound enamel wear at baseline and 6 months

NCT ID: NCT03624894 Active, not recruiting - Wear, Occlusal Clinical Trials

Intraoral Impressions for Assessment of Wear of Teeth and Restorative Materials.

GIC
Start date: February 1, 2016
Phase:
Study type: Observational

Suitability of intraoral impressions for assessment of wear of teeth and restorative materials over 60 months, using the gypsum replica method and 3-D laser scanning: perspective clinical and laboratory evaluation.