Clinical trials: Defective Restorations
Root Canal Infection, Tooth Defect
Clinical Trial of Modified Endocrown and Personalized Post-core and Crown for Large-area Tooth Defects After Root Canal Treatment
This study intends to adopt a multicenter, randomized controlled, single-blind, non-inferiority clinical trial design. 246 premolars that meet the inclusion criteria after complete root canal treatment will be selected from the…
- Conditions
- Root Canal Infection, Tooth Defect, Post and Core Technique
- Trial name
- NCT07206108
- Testing
- modified endocrown
- Where
- China
- Volunteers
- 246 people, healthy volunteers welcome
- Sponsor
- Nanfang Hospital, Southern Medical University
Tooth Discoloration, Hypersensitivity
Composite Repair Using Silane Coupling Agent
Evaluation the influence of the use of silane coupling agent application as a separate step versus application of silane or acid resistance silane containing adhesives on the clinical performance of repaired posterior resin…
- Conditions
- Tooth Discoloration, Hypersensitivity, Tooth Fracture, Dental Restoration Failure of Marginal Integrity
- Trial name
- NCT06392685
- Testing
- Silane coupling agent, Adhesive containing silane.(Intervention 1 ), Acid resistance silane containing adhesive.(Intervention 2)
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Cairo University
Caries, Unsatisfactory or Defective Restoration of Tooth
Clinical Evaluation of "Cention Forte" Restorative Material
Resin composites, the first choice of material for the restoration of posterior teeth, still have several drawbacks including their polymerization shrinkage and potential failure of the resin-dentin interface leading to secondary…
- Trial name
- NCT04796974
- Testing
- Cention
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Istanbul Medipol University Hospital
Dental Caries, Minimally Invasive
Sealing Defective Margins of Composite Restorations With Fluid Composite Resin Nanofiller Reinforced
the patient (n=60), with at least 3 composite resins with marginal defects , randomized into 3 groups A=Sealed with flow composite reinforced with nanofiller , B= Sealed with resin sealant , and C=Control, without intervention …
- Conditions
- Dental Caries, Minimally Invasive, Repair
- Trial name
- SEAL2 (NCT03214445)
- Testing
- Sealing margins with flow composite, Sealing margins with seal
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Chile
Defective Composite Restorations
Effect of Silane Coupling on the Clinical Performance of Repaired Composite
Research Problem : Advances in adhesive technologies have introduced several surface treatment concepts that enable the clinician to adhere resin-based composite restorations onto new composite materials.
- Trial name
- NCT06005571
- Testing
- composite restoration repair by traditional acid etch treatment procedure and adhesive., Composite restoration repair by acid etching, silane solution application, and then adhesive., Composite restoration repair by sandblasting first, then acid etching, silane solution application, and then adhesive.
- Where
- Jordan
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- King Abdullah University Hospital
Dental Restoration Failure
Increasing Composite Restorations Sealants
A cohort of 20 patients aged 18 to 80 years (mean 28.35 years) of both genres females (65%) and males (35%) with 80 composite restorations were recruited at the Operative Dentistry Clinic at the Dental School of the University of…
- Trial name
- SEALCOMP (NCT02119195)
- Testing
- Sealant
- Where
- Chile
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Chile
Dental Restoration Failure of Marginal Integrity, Dental Caries
Clinical Investigation of a New Bulk Fill Composite Resin in the Restoration of Posterior Teeth
Polymerization shrinkage remains one of the primary disadvantages of composite resin restorative materials (tooth-colored fillings).
- Conditions
- Dental Restoration Failure of Marginal Integrity, Dental Caries, Unrepairable Overhanging of Dental Restorative Materials, Poor Aesthetics of Existing Restoration
- Trial name
- NCT02572570
- Testing
- Filtek Bulk Fill Posterior, Filtek Supreme Ultra
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Unsatisfactory or Defective Restoration of Tooth
The Performance of Posterior Partial Coverage Coronal Restorations Luted With Two Differrent Systems.
This study explores an alternative approach using a pre-heated restorative resin composite as a luting material of partial coverage restorations on upper and lower posterior teeth.
- Trial name
- NCT06457737
- Testing
- IPS Empress Direct, Bisco Duo-Link Universal
- Where
- Jordan
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- King Abdullah University Hospital
Unsatisfactory or Defective Restoration of Tooth
Clinical Evaluation of Posterior Indirect Resin Composite Restorations With PBE
Evaluation of posterior indirect resin composite restorations with proximal box elevation technique. Restoration of large posterior defects extending below the cemento-enamel junction (CEJ) with coverage of one or more cusps…
- Trial name
- NCT03832829
- Testing
- Indirect composite restoration
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Istanbul Medipol University Hospital
Unsatisfactory or Defective Restoration of Tooth
Minimal Invasive Rehabilitation of Tooth Loss in the Posterior Segment (MIZE-S)
Tooth loss can be addressed by different rehabilitative strategies. Implant-supported crowns and conventional bridges (fixed dental prostheses [FDPs]) are well established treatment alternatives.
- Trial name
- MIZE-S (NCT01997710)
- Testing
- all-ceramic inlay-retained RBFDP, all-ceramic RBFDP
- Where
- Germany
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University Hospital Heidelberg
Repair
Evaluation of Air Abrasion Surface Pretreatment in the Repairing Capacity of Defective Composite Restoration
This study is conducted to compare the efficacy of surface pretreatment using air abrasion sandblasting aluminum oxide particles (Al2O3) versus not pretreatment in the repair capacity of defective composite restoration indicated…
- Trial name
- NCT05500430
- Testing
- Air abrasion sandblasting aluminum oxide particles (Al2O3) AquaCare single (Velopex, Medivance Instruments Ltd., London, UK)
- Where
- Egypt
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Cairo University
Unsatisfactory or Defective Restoration of Tooth
Minimal Invasive Rehabilitation of Tooth Loss in the Anterior Segment
Tooth loss can be addressed by different rehabilitative strategies. Implant-supported crowns and conventional bridges (fixed dental prostheses [FDPs]) are well established treatment alternatives.
- Trial name
- MIZE-F (NCT01997827)
- Testing
- metal-ceramic RBFDP, all-ceramic RBFDP
- Where
- Germany
- Volunteers
- healthy volunteers welcome
- Sponsor
- University Hospital Heidelberg
Unsatisfactory or Defective Restoration of Tooth
Longitudinal Results of a 10-Year Clinical Trial of Repair of Amalgam Restorations
The aim of this prospective, randomized clinical trial was to assess the effectiveness of repair of localized clinical defects of amalgam restorations that were initially scheduled for replacement of restorations.
- Trial name
- REPAMLG (NCT02051179)
- Where
- Chile
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Chile