Clinical trials: Tooth Preparation
Pulpitis - Irreversible
Post Operative Pain of Root Canal Preparation With Wave One and Neolix in Acute Irreversible Pulpitis
the aim in this prospective in vivo randomized clinical trial to evaluate the influence of instrumentation technique ( reciprocation single file (wave one ) versus rotation single file (neolix) ) on post operative pain …
- Trial name
- NCT02952300
- Testing
- neolix, wave one
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Cairo University
Edentulous; Alveolar Process, Atrophy
Osseodensification Drills Versus Piezoelectric Surgery
implant stability is the first requirement for implant success. the aim is to assess whether different implant site preparation technique may impact the value of the primary stability.
- Trial name
- NCT05410405
- Testing
- implant site preparation
- Where
- 2 sites in Italy
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- International Piezosurgery Academy
Missing Teeth
No-preparation Resin Bonded Bridges for the Replacement of Single Missing Teeth
Tooth replacement is a significant issue in the World. Such replacement is considered important by patients to improve aesthetics, function and quality of life. Tooth replacement is therefore a significant issue.
- Trial name
- NCT03029637
- Testing
- RBBs with no or minimal preparation of their abutment teeth, RBBs with routine tooth preparation of their abutment teeth
- Where
- China
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- The University of Hong Kong
Clinical Behavioral
Clinical Assessment of Endodontically Treated Posterior Teeth Prepared With Two Occlusal Designs and Two Ceramic Full Coverage Restorations
The aim of this study was to assess the impact of flat occlusal preparation design (FOD) of endodontically treated molars on the fracture resistance and distribution of stresses among a ceramic crown-molar structure when compared…
- Trial name
- NCT06695091
- Testing
- Monolithic zirconia crown, Monolithic lithium disilicate crown
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Cairo University
Molar Incisor Hypomineralization
Clinical Performance of Two Cad-cam Fabricated Ceramic Restoration in Teeth Affected With MIH
This study will be performed to evaluate the clinical performance (Plaque accumulation, fracture of (restoration or tooth), postoperative sensitivity, secondary caries, marginal fit and discoloration) of two CAD/CAM fabricated…
- Trial name
- NCT05434884
- Testing
- occlusal veneer restorations, endocrown restorations
- Where
- Egypt
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Tooth Diseases
Clinical Evaluation of Two Low-shrinkage Composites
Patients with 4 occlusal lesions in molar teeth will be included. Occlusal cavities will be prepared either by Er,Cr:YSGG laser (LS) or conventional diamond bur (BR).
- Trial name
- NCT03708510
- Testing
- Restorative materials- Filtek Silorane, Restorative materials-Kalore, Preparation-Er,Cr:YSGG Laser
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Dental Caries
The Relation Between Pregnancy,Birth Outcome, Feeding , Oral Hygiene Habits and Early Childhood Caries Development.
200 children between ages 36 to 48 months will be invited for a regular dental examination Parameters to be investigated 1. Pregnancy history 2. Birth outcome 3. Child's general health 4. Feeding habits 5. Oral hygiene habits 6.
- Trial name
- NCT00334087
- Testing
- feeding habits
- Where
- Israel
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Hadassah Medical Organization
Dental Caries, Dental Fluorosis
Fluoride Bioavailability After Ingestion of Water or Foods Prepared With Fluoridated Water
The importance of fluoridated water to control caries is well recognized. Although the mode of action of fluoridated water is known (related to a slight increase in fluoride concentration in saliva/dental biofilm in individuals…
- Trial name
- NCT01978041
- Testing
- Meal prepared with non fluoridated water, Meal prepared with fluoridated water, Non fluoridated water
- Where
- Brazil
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Campinas, Brazil
Soft Tissues, Prosthetic
Outcomes on Teeth Prepared With BOPT
The aim of this study is to evaluate the clinical and biological behavior of full coverage restorations on teeth prepared without finish line in a prospective clinical study.
- Conditions
- Soft Tissues, Prosthetic, Outcome
- Trial name
- NCT04403230
- Testing
- Retreatment of teeth prepared without finish line
- Volunteers
- 52 people
- Sponsor
- University of Valencia
Apical Periodontitis, Mature Teeth
Apical Preparation Size in Regenerative Endodontics of Mature Teeth
The goal of this clinical trial is to learn whether the size of apical preparation affects the success of regenerative endodontic treatment in mature permanent teeth with apical periodontitis.
- Conditions
- Apical Periodontitis, Mature Teeth, Regenerative Endodontic Treatment
- Trial name
- NCT07466433
- Testing
- Regenerative Endodontic Treatment
- Where
- Turkey (Türkiye)
- Volunteers
- 36 people
- Sponsor
- Marmara University
Dental Education
AI-Driven Digital Self-Assessment Framework for Preclinical Tooth Preparation
This study aims to compare traditional faculty-based assessment with two AI-assisted digital self-assessment software programs for evaluating tooth preparations for metal-ceramic crowns for undergraduate dental preclinical…
- Trial name
- NCT07462156
- Testing
- Non-metrology-grade digital group (NMG), metrology-grade digital group (MG), Traditional group (TG)
- Where
- Egypt
- Volunteers
- 36 people
- Sponsor
- Alexandria University
Asymptomatic Molar Teeth With Periapical Lesions
Postoperative Pain After Root Canal Preparation Using Different Engine-driven Systems
A hundred twenty patients who had an asymptomatic mandibular molar teeth with periapical lesion were included. For each patient, teeth were prepared with Reciproc Blue or Protaper Universal instruments.
- Trial name
- NCT04454814
- Testing
- Protaper Universal instruments, Reciproc Blue instruments
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Ege University
Posterior Ceramic Onlays, Badly Decayed Teeth Need to be Restored , Teeth Restored With Large Filling Restorations
Functional Evaluation of Ceramic Onlay Restorations With Different Preparation Designs
Tooth preparation designs for posterior ceramic restorations have been based on traditional cast metal restoration designs, but with more occlusal tooth reduction and with a slightly increased taper.
- Trial name
- NCT04274959
- Testing
- ceramic onlay with shoulder preparation design., ,ceramic onlay with butt joint preparation design
- Volunteers
- 39 people
- Sponsor
- Cairo University
Periapical Periodontitis, Bacterial Infections
Adjunctive Steps for Disinfection of Teeth With Primary Endodontic Infections
This study aims to evaluate an endodontic treatment protocol using adjunctive steps for disinfection of teeth with primary endodontic infections.
- Trial name
- NCT03537664
- Testing
- Root canal preparation, Intracanal medication
- Where
- Brazil
- Volunteers
- 45 people
- Sponsor
- University of Sao Paulo
Tooth Discoloration
Marginal Fit of Porcelain Veneers After Finishing Prepared Surfaces With Ultrasonic Tips
The aim of the study is to assess the marginal fit following preparation finishing with ultrasonic tips of porcelain veneers compared to the ordinary preparation using burs only.
- Trial name
- NCT02683499
- Testing
- Ultrasonic tips
- Where
- Syria
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Damascus University
Endodontically Treated Teeth
Alternative EndoCrowns Designs for Chairside CAD/CAM
This investigation will be a longitudinal clinical trial to study the association of preparation design on the internal and marginal adaptation of the resulting restorations and the long-term clinical performance of chairside…
- Trial name
- NCT04604314
- Testing
- CEREC Tessera
- Where
- United States
- Volunteers
- 69 people
- Sponsor
- University of Michigan
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
Enamel Lesions, Dental Caries
Comparison of Different Methods of Enamel Preparation Before Pit and Fissure Sealants
This study concerns the prevention of dental caries by sealing pits and fissures of permanent molars with a photopolymerizable resin.
- Trial name
- NCT02594020
- Testing
- air abrasion, sono abrasion, dental bur
- Where
- 2 sites in France
- Volunteers
- 400 people
- Sponsor
- Centre Hospitalier Universitaire de Nice
Teeth Sensitivity, Treated Dentin Surfaces
Effect of Seashell Nanoparticles and Gluma Desensitizer on Sensitivity of Teeth
Tooth hypersensitivity is characterized by a transient short and sharp pain originating from exposed dentin in response to thermal, dehydrating, tactile, osmotic, and chemical stimuli.
- Trial name
- NCT06622018
- Testing
- Seashell Nanoparticles and Gluma Desensitizer
- Where
- Egypt
- Volunteers
- 33 people
- Sponsor
- Faculty of Dental Medicine for Girls
Bacterial Infections
Effect of Passive Ultrasonic Irrigation on Bacteria That Persist After Root Canal Preparation
This study aims to evaluate the effectiveness of ultrasonic irrigation in improving root canal disinfection after chemomechanical procedures.
- Trial name
- NCT05100433
- Testing
- Ultrasonic irrigation
- Where
- Brazil
- Volunteers
- 30 people
- Sponsor
- University of Sao Paulo