Clinical trials: Teeth Absent
Tooth Disorder, Missing Tooth/Teeth
All-ceramic Restorations: a Retrospective and Prospective Study
The goal of this observational study is to evaluate the survival and success rate of ceramic restorations on teeth and implants done in the department of fixed prosthodontics at the CHU of Liege for the last 25 years.
- Trial name
- PROCER (NCT07110220)
- Where
- Belgium
- Volunteers
- 200 people
- Sponsor
- Mainjot Amélie
Anodontia
Linkage and Identification of (a) Candidate Gene(s) for Tooth Disorders
The congenital absence of teeth, commonly referred to as hypodontia or tooth agenesis, is a common developmental anomaly of human dentition that affects approximately 20% of the population.
- Trial name
- NCT00026026
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Center for Research Resources (NCRR)
Teeth Loss, Alveolar Bone Resorption
Immediate Dental Implants in The Upper Anterior Region
The aim of the study will be to evaluate maxillary anterior teeth replacement with immediate dental implant utilizing vestibular socket therapy versus ice cream cone technique both clinically and radiographically.
- Trial name
- NCT06382337
- Testing
- Group A : ice cream cone technique, Group B : the vestibular socket therapy
- Where
- Egypt
- Volunteers
- 16 people
- Sponsor
- Mansoura University
Tooth-loss
Occlusal Relationship Assesment of Monolithic Zirconia FDPs
To analyze in vivo occlusal accuracy and occlusal adjustment requirement, a cross-over clinical trial was designed. Two 3-unit tooth-supported posterior FDPs were planned to be made for each patient's single missing tooth gap…
- Trial name
- NCT04855084
- Testing
- Monolithic FDPs: before adjustment, Monolithic FDPs: after adjustment, Metal fused porcelain FDPs: before adjustment
- Where
- Turkey (Türkiye)
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Duygu Karasan
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
Malocclusion, Malocclusion in Children
Does the Generation to Which the Operator Belongs Influence the Orthodontic Miniscrew Insertion Accuracy in Dynamic Computer-guided Surgery?
The goal of this clinical trial is to access the miniscrew accuracy insertion via dynamic computer-guided systems, inserted by three different clinicians belonging to three different generations, in childern in late mixed…
- Conditions
- Malocclusion, Malocclusion in Children, Malocclusion; Displaced or Missing Teeth
- Trial name
- NCT06661551
- Testing
- Miniscrew insertion in dynamic-computer guided surgery
- Where
- Italy
- Volunteers
- 36 people
- Sponsor
- University of Roma La Sapienza
Tooth-loss
The Use of Platelet-rich Fibrin (PRF) Membranes in Lateral Alveolar Ridge Augmentation When Jaw Bone is Missing Before Dental Implant Installation. A Study Comparing an Autogenous Bone Block Graft Covered Either by a (PRF) Membrane (Test) or Bone Substitute and a Barrier Membrane (Control)
Tooth loss can in many cases be treated with an artificial titanium root (dental implant) and subsequent manufacture of a porcelain crown.
- Trial name
- NCT04350749
- Testing
- PRF is added in the test group.
- Where
- Denmark
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Malocclusion; Displaced or Missing Teeth
Clinical and Radiological Outcomes Study on Astra Tech Osseospeed Tx Profile Implant
The Astra Tech Osseospeed Profile Implant design when placed in the healed extraction site maintains the marginal bone level
- Trial name
- NCT01510470
- Where
- China
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Hong Kong Brånemark Osseointegration Center
Single Tooth Lost, Dental Implant
Immediate and Early Single Dental Implants
The objective of the research project will be to compare immediate and early unitary implants for the rehabilitation of missing teeth in the upper aesthetic region.
- Trial name
- NCT04075383
- Testing
- immediate dental implant, immediate-delayed dental implant
- Where
- Brazil
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Federal University of Rio Grande do Sul
Jaw, Edentulous, Partially, Acquired Absence of Single Tooth
Case Selection and Treatment Protocol for Immediate Dental Implants in the Esthetic Zone
In this study a tooth that needs to be extracted will be replaced by an implant (artificial root) placed at the same appointment as the extraction.
- Trial name
- NCT02154581
- Testing
- SLActive implant
- Where
- United States
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center at San Antonio
Dental Implants
Variable-thread Versus Standard Dental Implants for Replacing Missing Teeth
Background and objectives: Primary and secondary implant stability remain the most relevant and reliable clinical indicator for long-term survival of dental implants.
- Trial name
- NCT06808854
- Testing
- Dental implant treatment (variable-thread implants), Dental implant treatment (standard implants)
- Where
- United Arab Emirates
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Mohammed Bin Rashid University of Medicine and Health Sciences
Dental Implant Failed, Dental Prosthesis Failure
One-Tooth One-Time (1T1T) A Straightforward Approach to Replace Missing Teeth in the Posterior Region: a Case Series
This study evaluates the success rate, as the biological and prosthesis complications, of posterior single-unit implants immediately loaded with a chair side Computer-Aided Design and Manufacturing (CAD-CAM) composite crown…
- Trial name
- 1T1T (NCT02898311)
- Testing
- immediate loading of posterior implants with chairside CAD-CAM composite crown
- Where
- 2 sites in Belgium
- Sponsor
- University of Liege
Missing Teeth
Assessment of Hard and Soft Tissue Changes Following XCM Versus FGG Simultaneous With Delayed Dental Implant Placement
Teeth loss are usually associated with alterations of extraction sockets result in obviously absorbed alveolar ridges and are often accompanied with soft tissue atrophy such as narrow keratinized tissue and a shallow vestibule.
- Trial name
- NCT07080177
- Testing
- Free gingival graft simultaneous with delayed implant placement, Xenogeneic collagen matrix simultaneous with delayed implant placement
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo University
Malocclusion, Angle Class I, Malocclusion; Displaced or Missing Teeth
Comparison Between Clear Aligners and Traditional Fixed Appliances in the Treatment of Four-premolar-extraction Cases
Patients who have severe crowding that require four premolars extraction will be treated in this study. The efficacy of the clear aligners and vestibular fixed appliances will be assessed.
- Conditions
- Malocclusion, Angle Class I, Malocclusion; Displaced or Missing Teeth, Crowding
- Trial name
- NCT03645356
- Testing
- Fixed Appliances, Clear Aligners
- Where
- Syria
- Volunteers
- 40 people
- Sponsor
- Damascus University
Missing Teeth
Post Market Clinical Follow up (PMCF) Medical Device Registry of Z-Systems Zirconia Dental Products: Z-Systems Registry
Commercially pure (CP) titanium is the gold standard to produce dental implants because it has a huge volume of scientific publications over a period of more than 50 years, it is cheap and simple to produce (i.e., making dental…
- Trial name
- NCT05427006
- Testing
- Z5-BL Dental Implants, Z5-TL Dental Implants
- Where
- 5 sites in Germany, Switzerland
- Volunteers
- 240 people
- Sponsor
- Z-Systems
Missing Tooth/Teeth
Abutment Hydrophilicity on Soft Tissue Morphogenesis
The goal of this clinical trial is to evaluate the effect of abutment surface bioactivation via argon plasma treatment on peri-implant soft tissue healing and integration in adult patients undergoing implant therapy.
- Trial name
- NCT07082088
- Testing
- the test group were placed in an Argon plasma reactor
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Paolo Pesce
Missing Teeth
Platform Switching vs Regular Platform Implants. One Year Results From a RCT
The present study tested the hypothesis that Platform Switching (PS) and Regular Platform (RP) implants would have different outcomes in the bilateral single tooth replacements against the alternative hypothesis of no difference.
- Trial name
- NCT02123420
- Testing
- Nobel Replace Tapered Groovy implant; (Nobel Biocare®, Sweden)
- Volunteers
- 18 people
- Sponsor
- Università degli Studi di Sassari
Missing Teeth
Post Market Clinical FoIIow up (PMCF) Medical Device (MD) of Z-Systems Monotype Zirconia Dental Product: Z5m Dental Implants Registry
Commercially pure (CP) titanium is the gold standard to produce dental implants because it has a huge volume of scientific publications over a period of more than 50 years, it is cheap and simple to produce (i.e., making dental…
- Trial name
- NCT06007365
- Testing
- Z5m Dental Implants
- Where
- Switzerland
- Volunteers
- 70 people
- Sponsor
- Z-Systems
Tooth-loss, Edentulous Mouth
Complete Lower Dentures on 1 or 2 Implants
This study is a randomized clinical trial to compare patient satisfaction and prosthetic outcomes with lower dentures retained by one or two implants.
- Conditions
- Tooth-loss, Edentulous Mouth, Complete Denture, Complete Lower Denture
- Trial name
- NCT02117856
- Testing
- 1 implant placed surgically in the mandibular midline, 2 implants placed surgically in the mandibular canine sites, Soft reline (Coe Comfort) of the existing complete lower denture
- Where
- Canada
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Missing Teeth, Teeth Replacemnt by Single Dental Implant
Randomized Controlled Clinical Trial of CAD/CAM and Conventionally Fabricated Singl Implant Abutments.
CAD/CAM technology has been introduced to the field of implant dentistry in the beginning of 1990's (Priest 2005). Since their introduction, the use of CAD/CAM technology in the production of dental implant restorations has been…
- Conditions
- Missing Teeth, Teeth Replacemnt by Single Dental Implant, Zirconia Abutment, Titanium Abutment
- Trial name
- NCT01229995
- Testing
- dental implants - zirconia abutmetns - prefabricated abutments
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Harvard School of Dental Medicine