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Dental Materials clinical trials

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NCT ID: NCT06254053 Not yet recruiting - Clinical trials for Dental Caries in Children

Clinical and Radiographic Evaluation of Zirconomer Restorative

Zirconomer
Start date: June 1, 2024
Phase: N/A
Study type: Interventional

Is zirconomer restorative material more effective than a glass ionomer cement in restoration of primary molars

NCT ID: NCT05707780 Recruiting - Dental Materials Clinical Trials

Clinical Evaluation of Resin Matrix Ceramic Posterior Crowns

Start date: January 25, 2023
Phase: N/A
Study type: Interventional

The objectives of the present prospective randomized clinical study are to evaluate and to compare the survival and success rates, possible biological and technical complications, and the clinical performance of metal-ceramic, monolithic zirconia and resin-matrix posterior crowns. The null hypothesis is that no differences would be found between the parameters studied for each type of restoration.

NCT ID: NCT04995458 Active, not recruiting - Dental Materials Clinical Trials

Clinical Evaluation of Composite-ceramic Implant-supported Posterior Crowns (Cerasmart)

Cerasmart
Start date: June 5, 2017
Phase: N/A
Study type: Interventional

The objectives of the present study are to analyze and to compare the survival rates and possible biological and technical complications arising from the use of composite-ceramic posterior implant-supported crowns with those obtained when using their counterparts prepared using monolithic zirconia restorations. The null hypothesis is that no differences would be found between the parameters studied for each type of restoration.

NCT ID: NCT04943315 Active, not recruiting - Dental Materials Clinical Trials

Clinical Evaluation of Monolithic Zirconia Crowns

Start date: May 6, 2019
Phase: N/A
Study type: Interventional

The objectives of the present study are to compare the survival rates and possible biological and technical complications of metal-ceramic, and monolithic third-generation zirconia posterior crowns. The null hypothesis is that no differences would be found between the parameters studied for each type of restoration.

NCT ID: NCT04879498 Completed - Dental Materials Clinical Trials

Clinical Evaluation of Monolithic Zirconia FPDs

Start date: January 18, 2016
Phase: N/A
Study type: Interventional

The objectives of the present study are to compare the survival rates and possible biological and technical complications of metal-ceramic, veneered and monolithic zirconia posterior three-unit fixed partial dentures. The null hypothesis is that no differences would be found between the parameters studied for each type of restoration.

NCT ID: NCT04652323 Completed - Dental Materials Clinical Trials

Tissue Reactions to Calcium Silicate

Start date: April 1, 2019
Phase:
Study type: Observational

The aim of this study was to determine the subcutaneous connective tissue reactions to these new materials. Materials and Methods These materials were placed in polyethylene tubes and implanted into the dorsal connective tissue of Sprague Dawley rats. The presence of inflammation, edema, necrosis, dystrophic calcification, and thickness of fibrous capsule formation was recorded by histological examination 7, 30, and 60 days after the implantation procedure. Inflammation scores were defined as follows: 0 = no or few inflammatory cells, no reaction, 1 = <25 cells, mild reaction; 2 = 25 to 125 cells, moderate reaction; and 3 = ≥125 cells, severe reaction. Fibrous capsule thickness, necrosis, and formation of calcification were recorded.

NCT ID: NCT04533113 Recruiting - Dental Caries Clinical Trials

Carious Tissue Selective Removal on Permanent Posterior Teeth.

Start date: February 20, 2019
Phase: N/A
Study type: Interventional

This study is a prospective randomized controlled study of patients who come to the University. The aim is to evaluate the success rate of selective removal of carious tissue in deep lesions of posterior teeth. Three different materials will be used as liners (VitreBond ™Plus, BioDentine™, and Theracal™ LC). Post-operative pain, clinical, and radiographic success will be evaluated at one, two, and five-year follow-up. The null hypothesis is that there will be no statistically significant differences in rates of successful treatment with the three materials used.

NCT ID: NCT04446078 Completed - Dental Implants Clinical Trials

Hybrid Polyetheretherketone (PEEK)-Acrylic Resin Prostheses and the All-on-4 Concept for Full Arch Rehabilitation

AO4PEEKDev
Start date: May 2, 2014
Phase: N/A
Study type: Interventional

It is necessary to evaluate the outcome of implant supported fixed prosthetic rehabilitations using peek material. To test this, the study design to be used will be a prospective single cohort to evaluate the long term outcome of fixed prosthetic implant supported rehabilitations. The cohort will be evaluated after 5 years of follow-up, regarding prosthetic survival, implant survival, marginal bone resorption, incidence of mechanical complications (loosening or fracture of prosthetic components), biological complications (peri-implant pathology, suppuration, fistulae), incidence of biological complications (peri-implant pathology, suppuration, excessive marginal bone resorption) in-mouth comfort, overall chewing feeling, framework integrity, veneer adhesion, veneer chipping, patient tissue reaction, denture staining, manufacture issues,

NCT ID: NCT04111003 Completed - Tooth, Nonvital Clinical Trials

Fiber-reinforced Composite Core Filling in the Restoration of Endodontically Treated Molars - a Clinical Study.

sFRCendocr
Start date: December 11, 2012
Phase: N/A
Study type: Interventional

A short fiber reinforced composite base filling material has been shown to improve the strength of a direct composite filling significantly. It prevents fracture propagation and reduces shrinkage strain. These features are needed especially in endodontically treated molars, as root-canal treated teeth are structurally compromised and their restoration is associated with technical failures such as debonding and vertical root fractures. Application on this core fiber-reinforced composite (FRC) material is simplified when compared to post and core techniques commonly used to restore endodontically treated teeth. Clinically, the use of core FRC offers a cost-effective way to restore endodontically treated molars without root canal involvement. The purpose of this study is to compare the clinical performance of endodontically treated molars restored with either direct composite restorations with a FRC substructure, or with indirect full-ceramic onlay restorations, i.e. endo-crowns.