Clinical trials: Restoration Survival
Dental Restoration, Dental Implant
Prosthetic Outcomes and Clinical Performance of Implant Supported Zirconia Crowns
To compare biological, technical, radiographic, and patient-reported outcomes of two types of monolithic zirconia crowns screw-retained to implant.
- Trial name
- NCT06417632
- Testing
- Graded Zirconia Crown, Conventional Zirconia Crown
- Where
- Jordan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Jordan
Dental Restoration Failures
An In-vivo Survival Rate of Different Onlay Materials Placed Over Endodontically Treated Molar Teeth
This study aims to evaluate the survival rates of onlays placed over posterior endodontically treated teeth restored with zirconia, lithium disilicate and lithium disilicate reinforced with zirconia.
- Trial name
- NCT07753941
- Testing
- Monolithic zirconia partial coverage onlays, Lithium disilicate partial coverage onlays, zirconia-reinforced lithium disilicate partial coverage onlays
- Where
- Jordan
- Volunteers
- 39 people
- Sponsor
- Yousef Mahmoud Salem
Periapical Healing, Restoration Survival
Effect of Different Root Canal Preparation Sizes and Remaining Tooth Structure on the Survival of Endodontically Treated Mandibular Molars
Teeth that have undergone endodontic treatment are biomechanically weakened compared to vital teeth due to factors such as extensive carious lesions, previous restorations, loss of marginal ridges and pericervical dentin, and…
- Trial name
- NCT07583004
- Testing
- ProTaper Gold, TruNatomy file system
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Saglik Bilimleri Universitesi
Dental Caries in Children
Isolation of the Operative Field Influences the Survival Rate of Composite Restorations
The aim of this study was to evaluate the survival of direct composite resin restorations in primary molars using different methods of isolation of the operative field: absolute isolation (local anesthesia, use of dental clamp…
- Trial name
- IsolationC3 (NCT03733522)
- Testing
- Rubber dam isolation, Relative isolation
- Where
- Brazil
- Volunteers
- 93 people
- Sponsor
- University of Sao Paulo
Prosthesis Survival
Lithium Disilicate Glass-ceramic Versus Hybrid Ceramic Superstructure Materials on Implant Stability
The aim of this study is to assess the effect of the newly introduced (hybrid dental ceramic) superstructure materials, Vita Enamic versus IPS Emax on implant stability, patient satisfaction and crestal bone loss.
- Trial name
- RCT (NCT02931903)
- Testing
- Vita Enamic (hybrid dental ceramic), lithium disilicate glass-ceramic
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
Premolars Need Full Coverage Restoration
Feather Edge Versus Deep Chamfer Finish Line Marginal Design in Complete Coverage Bruxzir Zirconia Crowns
Evaluation of patient satisfaction, color difference, marginal integrity and survival of Bruxzir Zirconia complete coverage crowns with feather edge versus deep chamfer finish line marginal design. (Randomised Controlled Trial)
- Trial name
- NCT03303742
- Testing
- deep chamfer, feather edge
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
Survival, Prosthesis, Clinical Acceptability, Prosthesis
Metal-ceramic Fixed Partial Dentures Fabricated With Laser Sintering
The aim of this retrospective clinical study was to evaluate the clinical acceptability of metal-ceramic fixed partial dentures (FPD) manufactured utilizing direct metal laser-sintering technology, taking into account the…
- Trial name
- NCT06242639
- Testing
- Clinical examination
- Where
- Turkey (Türkiye)
- Volunteers
- 52 people
- Sponsor
- Cukurova University
Dental Restoration Failure of Marginal Integrity
Clinical Longevity of Ceramic Laminate Veneers
Rationale: Survival rates of teeth with laminate veneers were reported to have more marginal caries and discoloration when existing restorations are present.
- Trial name
- NCT03645551
- Testing
- checkup, no test
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- University Medical Center Groningen
Implant Clinical Survival, Restoration Survival
Retrospective Evaluation of Prosthetic Complications and Peri-implant Bone Resorption in Implant-supported Single Unit Fixed Restorations
This study evaluated the one-year outcomes of implant-supported single-tooth fixed restorations used to replace missing teeth. The aim was to assess the success rates of dental implants and identify potential complications during…
- Trial name
- NCT06709508
- Testing
- Examination group
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Özer İşisağ
Dental Restoration Failure of Marginal Integrity
Ceramic Tooth Restorations - a Comparison Study
This randomized clinical study aims to compare success and survival of two different ceramic tooth restoration materials. The hypothesis for the study is that fluoride treated zirconia will retain as good as lithium disilicate…
- Trial name
- NCT03517124
- Testing
- Ceramic tooth restoration
- Where
- Norway
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Oslo
Dental Implants, Immediate Dental Implant Loading
Immediate Restoration of a New Implant With High Primary Stability
The main objective of this scientific study is to evaluate the short-term (1-year) survival and success rates of dental implants restored immediately compared to implants restored after a three-month healing period.
- Trial name
- CT (NCT07498556)
- Testing
- Control Group, Test group - Implant restoration with a temporary crown
- Where
- Portugal
- Volunteers
- 50 people
- Sponsor
- Universidade do Porto
Prosthodontics, Dental Adhesives/Restorations Performance
Evaluation of Ceramic Dental Crown Clinical Performance After Conventional Hydrofluoric Acid Etching or Gaseous Plasma Pretreatment
In this randomized, controlled, double-blind clinical trial, we will follow adult participants who receive partial or full dental crowns made of lithium disilicate ceramic (LDC).
- Conditions
- Prosthodontics, Dental Adhesives/Restorations Performance, Crowned Posterior Teeth
- Trial name
- NCT07876167
- Testing
- Hydrofluoric Acid-Etched Lithium Disilicate Ceramic Dental Crowns, Atmospheric-Pressure Plasma-Treated Lithium Disilicate Ceramic Dental Crowns
- Where
- Slovenia
- Volunteers
- 30 people
- Sponsor
- University of Ljubljana, Faculty of Medicine
Dental Caries
Occlusal-proximal ART Restorations in Primary Molars Using 2 Different Kinds of GIC
The aim of this research is to investigate the survival rate and cost effectiveness of two brands of GIC as occlusal-proximal ART restorations. Also the survival rate of the tooth will be investigated.
- Trial name
- NCT02267720
- Testing
- Occlusal-proximal ART restorations - Ketac Molar, Occlusal-proximal ART restorations - Vitro Molar
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Endodontically Treated Teeth, Nonvital Teeth
Clinical Comparison of Lithium Disilicate and 3D-Printed Resin Endocrowns
This randomized controlled clinical trial aims to compare the clinical performance of CAD/CAM lithium disilicate (IPS e.max CAD) and 3D-printed resin (BEGO VarseoSmile TriniQ) endocrown restorations in endodontically treated…
- Conditions
- Endodontically Treated Teeth, Nonvital Teeth, Restoration of Endodontically Treated Posterior Teeth
- Trial name
- NCT07874906
- Testing
- IPS e.max CAD Lithium Disilicate Endocrown, BEGO VarseoSmile TriniQ Resin Endocrown
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Medipol University
Tooth Fracture
Survival Rate of Adhesively Luted Veneers
The aims of this clinical study are: To evaluate the clinical performance between indirect composite and ceramic laminate veneers: Main interests are: colour stability of the restoration (digital measurement in follow up) failure…
- Trial name
- facings (NCT03145597)
- Testing
- Laminate veneer of composite, Laminate veneer of ceramic
- Where
- Netherlands
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- University Medical Center Groningen
Tooth Wear
Survival and Success of CAD/CAM Restorations After 5 Years of Intraoral Use
This study evaluates the survival and success rates of dental restorations fabricated exclusively using CAD/CAM technology over a period of 5 years.
- Trial name
- NCT07276269
- Testing
- CAD/CAM Digital Restoration Placement, Study of the Survival and Success of Endodontic Posts Using the CAD/CAM Digital Method After 5 Years of Intraoral Use
- Where
- Greece
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Dental Caries
Survival Rate and Cost-effectiveness of Conventional vs ART Restorations in a School Setting
This study will investigate the performance and cost-effectiveness of glass-ionomer restorations placed in school children in an outreach setting in rural areas in South Africa over a 2-year period, when placed using either ART…
- Trial name
- NCT05766696
- Testing
- Atraumatic Restorative Treatment (ART), Conventional Cavity Preparation
- Where
- South Africa
- Volunteers
- 200 people
- Sponsor
- DMG Dental Material Gesellschaft mbH
Completely Edentulous Patients
Prosthesis and Implant Survival in Immediately Loaded Temporary Full Arch Restorations
In immediate loading of implants of completely edentulous patients, the most common post-surgical complication following the surgery noted in the dental literature is fracture of the provisional restoration with rates ranging…
- Trial name
- NCT03814070
- Testing
- Fiber-reinforced framework, No framework
- Volunteers
- 114 people, healthy volunteers welcome
- Sponsor
- Nermeen Ahmed Hassan
Restoration Survival
Randomized Controlled Trial of Fiber Post Restorations
This in vivo study examined the contribution of remaining coronal dentin and placement of a prefabricated or customized fiber post to the six-year survival of endodontically treated premolars.
- Trial name
- NCT01532947
- Testing
- post placement
- Volunteers
- 360 people
- Sponsor
- University of Siena
Dental Restoration Failure
Retrospective Database Study: Survival of Cast Restorations - Restorations Made of Precious Metal vs. Non-precious Metal
The aim of this study is to determine and compare the longevity of single-tooth cast restorations made of precious metal vs. non-precious metal (e.g.
- Trial name
- NCT06441032
- Testing
- No patient treatment is associated with the study
- Where
- Germany
- Volunteers
- 4,000 people
- Sponsor
- University of Göttingen