Clinical trials: Prosthesis Failure
Survival, Prosthesis
Clinical Assessment of All Ceramic Single-retainer Using Upper Canine as Abutment With Minimum Preparation on the Lingual Surface, to Replace the Upper Lateral Incisor and Will be Compared With the All Ceramic Single-retainer Using Upper Central Incisor.
The Intervention Will be All Ceramic Single-retainer Resin Bonded Fixed Partial Denture Using the Upper Canine as Abutment With Minimum Preparation on the Lingual Surface Within the Enamel Providing Maximum Area for the Retainer…
- Trial name
- NCT05812066
- Testing
- all ceramic single-retainer resin bonded fixed partial denture
- Where
- Egypt
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Cairo University
Dental Prosthesis Failure
Application of 3D Printed Removable Denture Prosthesis Framework for Partial Edentulous Patients
Tooth loss is a major dental problem worldwide. A recent study in Singapore found that approximately one third of adults aged over 65 are living without any natural teeth.
- Trial name
- NCT04304222
- Testing
- 3D Printed Denture Framework
- Where
- Singapore
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- National Dental Centre, Singapore
Prosthesis Durability
Direct Versus Indirect Pick up of the Locator Retentive Caps:(Within-patient Study)
The purpose of this study will be to evaluate the effect of direct and indirect pick up of the locator retentive caps and compare the clinical results with those of the manufacturer retentive force.
- Trial name
- NCT05289752
- Testing
- dental implants in the mandible, locator attachment and overdenture
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Prosthesis Survival
Patient Satisfaction and Peri-Implant Tissue Success of Hybrid Ceramic Versus E-Max Superstructures
In patients receiving implants in the esthetic zone, would the use of new Nano hybrid ceramic crown material (Crystal Ultra) improve esthetic patient satisfaction and peri-implant tissue success when compared with Lithium…
- Trial name
- NCT02941575
- Testing
- Crystal Ultra, All ceramic
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Cairo University
Prosthesis Durability
Edentulous Maxilla Opposed by 2-implant Mandibular Overdenture?
This within -subject study will be conducted to evaluate the proper number of unsplinted implants ;( three, four and five implants) for the edentulous maxilla opposed by mandibular two-implant overdentures.
- Trial name
- NCT06050213
- Testing
- Maxillary implant overdenture
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Implant Complication, Implant Infection
Local Antibiotics for Breast Implants
The BREAST-AB Trial is a multi-center, randomized, double blind, placebo-controlled trial investigating the efficacy of local application of gentamicin, vancomycin and cefazolin in decreasing all-cause implant explantation after…
- Conditions
- Implant Complication, Implant Infection, Implant Site Infection, Implant Capsular Contracture
- Trial name
- BREAST-AB (NCT04731025)
- Testing
- Gentamicin, Cefazolin and Vancomycin
- Where
- 8 sites in Denmark
- Volunteers
- 1,003 people, healthy volunteers welcome
- Sponsor
- Mikkel Herly
Prosthesis Survival
Prosthetic Management of All on Four Versus All on Six to Rehabilitate Completely Edentulous Maxillary Ridge Opposed by Natural Teeth
the aim of the study to compare the anterior maxillary bone index changes for patient rehabilitated with implant supported fixed prosthesis opposed by natural teeth
- Trial name
- NCT06114069
- Testing
- implant supported maxillary fixed prosthesis
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Survival, Prosthesis, Oxygen Deficiency
Awake Prone Positioning for COVID-19 Acute Hypoxaemic Respiratory Failure
The objective of our study is to evaluate the effectiveness of prone position in preventing intubation or death in spontaneously ventilated patients with COVID-19 with acute respiratory failure.
- Trial name
- NCT05866289
- Testing
- Prone position
- Where
- Morocco
- Volunteers
- 1,069 people, healthy volunteers welcome
- Sponsor
- Mohammed VI University Hospital
Dental Implant Failure, Periodontal Bone Loss
A Prospective Analysis of Failures of Oral Implants
The purpose of this prospective clinical trial is to investigate and identify factors associated with the failure of dental implants within the population rehabilitated with dental implants at the Folktandvården Specialistklinik…
- Trial name
- NCT02374216
- Testing
- Insertion of dental implants
- Where
- Sweden
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Malmö University
Survival, Prosthesis, Peri-Implantitis
Maxillary Sinus Floor Augmentation With Different Grafting Materials
Implant placement in the posterior maxilla is compromised due to atrophy of the alveolar process and maxillary sinus pneumatisation. Bone augmentation is frequently necessary before or in conjunction with implant placement.
- Conditions
- Survival, Prosthesis, Peri-Implantitis, Patient Satisfaction
- Trial name
- NCT04749953
- Testing
- Maxillary sinus floor augmentation
- Where
- Denmark
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Aalborg University Hospital
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
Dental Prosthesis Failure, Dental Prosthesis Complication
Clinical Study of a 3D Shaded Zirconia for Chairside CAD/CAM Restorations
This investigation will be a prospective, longitudinal clinical trial to study the clinical performance of a new monolithic, 3D shaded zirconia material for computer assisted design and computer assisted machining for chairside…
- Trial name
- NCT06713577
- Testing
- CEREC Cercon 4D
- Where
- United States
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Dentsply Sirona Implants and Consumables
Prosthesis Durability
Evaluation of Locator Versus TITACH Attachment for Mandibular Overdentures.
The purpose of this randomized controlled clinical study was to evaluate the locator and TITACH attachments used for retaining mandibular 2-implant overdentures regarding retention , bite force and implant marginal bone loss…
- Trial name
- NCT06228859
- Testing
- overdentures with different attachments
- Where
- Egypt
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Partial Edentulism, Disorder of Prostheses and Implants
Survival of Implant-Supported All-Ceramic Prostheses
The purpose of this research study is to identify reasons that cause an all-ceramic bridge to fracture which include the thickness of the bridge material, the type of bridge material and the bite force of the person.
- Conditions
- Partial Edentulism, Disorder of Prostheses and Implants, Dental Prosthesis Failure
- Trial name
- NCT01729858
- Testing
- Ceramic-Ceramic, Metal-Ceramic
- Where
- United States
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- University of Florida
Prosthesis Durability
Complete Digital Workflow for Construction of Full Arch Implant Supported Screw Retained Restoration
This study will compare the occlusal accuracy of different techniques for recording maxillomandibular relationships in a Complete digital workflow to construct full arch implant-supported screw-retained restoration.
- Trial name
- NCT06332482
- Testing
- Implant supported screw retained prosthesis
- Where
- Egypt
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Bone Loss in Jaw, Dental Implant Failure Nos
Marginal Bone Loss Around Mandibular Implant-retaining Overdentures and Implant Supported Fixed Hybrid Prosthesis
Few if any studies have compared marginal bone loss (MBL) around implant-retaining overdentures (2 implants with locators) versus implant supported fixed hybrid prosthesis (over 4 implants) in the mandible.
- Conditions
- Bone Loss in Jaw, Dental Implant Failure Nos, Dental Implant Failed
- Trial name
- NCT06488599
- Testing
- Peri-apical radiographs on the implants
- Where
- Lebanon
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Saint-Joseph University
Prosthesis Durability
Hyoid Displacement During Swallowing Function for Completely Edentulous Subjects
To investigate the effect of wearing mandibular implant retained overdentures on superior and anterior hyoid displacement during swallowing process.
- Trial name
- NCT06187181
- Testing
- implant overdenture, videofluroscopy
- Where
- Egypt
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Dental Implants, Dental Materials
Hybrid Polyetheretherketone (PEEK)-Acrylic Resin Prostheses and the All-on-4 Concept for Full Arch Rehabilitation
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…
- Conditions
- Dental Implants, Dental Materials, Mandible, Prosthesis Survival
- Trial name
- AO4PEEKDev (NCT04446078)
- Testing
- PEEK- acrylic resin prosthesis supported by 4 dental implants
- Where
- Portugal
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Malo Clinic
Missing Teeth, Prosthesis Survival
Evaluation of Single-unit Implant-supported Prostheses Survival Using CoCr Prosthetic Abutments: Prospective Observational Study
The aim of the study is to prospectively evaluate the survival of JJGC Cobalt-Chromium (CoCr) prosthetic abutments in single-unit implant-supported prostheses, to confirm the long-term safety and performance of the devices.
- Trial name
- NCT05649085
- Testing
- Cobalt-Chromium (CoCr) prosthetic abutments
- Where
- Brazil
- Volunteers
- 167 people, healthy volunteers welcome
- Sponsor
- Neodent
Prosthesis Durability
Vallecular Bolus Aggregation During Swallowing for Implant Overdenture.
evaluate the effect of implant retained mandibular overdenture on vallecular bolus aggregation during chewing and subsequent swallowing of solid food consistency.
- Trial name
- NCT06958055
- Testing
- videofluroscopy evaluation of swallowing function
- Where
- Egypt
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Mansoura University