Clinical trials: Prostheses Durability
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
Prosthesis Durability
Accuracy of 3-dimensional Printed Implant Cast Versus Conventional Stone Cast for Edentulous Mandibular Arch
This study will be conducted to compare between accuracy of 3D printed implant cast produced from digital impression and conventional stone cast produced from conventional splinted open tray impression for edentulous mandibular…
- Trial name
- NCT06050187
- Testing
- implant casts fabrication
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Edentulous Mouth, Quality of Life
Impact of Retro-molar Pad Demarcation on Complete Denture Wearers' Satisfaction
the retromolar pad is a critical anatomical landmark in the lower edentulous arch marking the posterior end of any removable prosthesis.
- Conditions
- Edentulous Mouth, Quality of Life, Patient Satisfaction, Complete Edentulism
- Trial name
- RMP (NCT07246343)
- Testing
- carving of retromolar pad area (RMP), no carving of the retromolar pad area (RMP)
- Where
- Jordan
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Samiha Sartawi
Occlusion, Prosthesis Durability
Abutment Analysis of Metallic Denture Frameworks in Mandibular Kenedy Class III Cases
This study is aimed to compare CAD/CAM (digitally fabricated) metallic partial denture frameworks to conventionally fabricated metallic partial denture frameworks in mandibular Kennedy class-III arches in terms of abutment health…
- Trial name
- NCT07215208
- Testing
- CAD/CAM metallic partial denture frameworks, Conventional metallic partial denture frameworks
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Cairo University
Prosthesis Durability
Accuracy of Conventional and Digital Impression Techniques Used for Maxillary Hybrid Prosthesis
evaluation and comparison of the accuracy of conventional and digital impression for full arch screw retained prosthesis for edentulous maxilla.
- Trial name
- NCT05321589
- Testing
- impression techniques for implant used for maxillary screw retained hybrid prosthesis
- Where
- Egypt
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Prosthesis Durability
All on Four Versus All on Three Implant Treatment Concepts
the evaluation of patient satisfaction of All on-4 versus All on-3 implant treatment concepts rehabilitation of atrophied mandibular ridge.
- Trial name
- NCT05912127
- Testing
- implant supported fixed full arch prosthesis
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Prostheses Durability
Triple-Scan Protocol to Assess Passivity
Quantification and visualization the internal and marginal gaps by newer digital methods, such as the triple-scan protocol described by Borga Dönmez et al.
- Trial name
- NCT07644689
- Testing
- Conventional Impression Technique, Digital Impression with Nonmodified Scan Body, Digital Impression with Modified Scan Body
- Where
- Egypt
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Mansoura University
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
Prosthesis Durability
Effect of Geometric Modifications of Implant Scan Bodies
The aim of this clinical study will be the effect of geometric modifications of implant scan bodies compared to conventional transfer techniques on passivity of all on four mandibular restorations
- Trial name
- NCT06040385
- Testing
- Implant supported hybrid prosthesis
- Where
- Egypt
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Transgenderism, Erectile Dysfunction
Epithesis Versus Prosthesis in Post-phalloplasty Transgender Patients.
Transgender and gender diverse (TGD) individuals most often choose for phalloplasty as a means to create masculine external genitalia.
- Conditions
- Transgenderism, Erectile Dysfunction, Prosthesis Durability, Gender Dysphoria
- Trial name
- EROS (NCT05883553)
- Testing
- Usability and added value of device within sexual activity
- Where
- 2 sites in Belgium, Netherlands
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Ghent
Prosthesis Durability
Swallowing Threshold and Efficiency for Maxillary Implant Assisted Overdenture
This study aimed to compare the swallowing threshold and efficiency of conventional maxillary implant overdenture and palatless designs.
- Trial name
- NCT06622837
- Testing
- implant overdenture
- Where
- Egypt
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Prosthesis Durability
Impact of Mandibular Overdenture Base Construction Techniques on Assessment of Occlusion
This within patient study will be conducted to compare between two different construction techniques (CAD-CAM Milled and Conventional techniques) of 4-implant-assisted complete mandibular overdenture bases regarding the digital…
- Trial name
- NCT06080815
- Testing
- CAD/CAM Complete denture
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Mansoura 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
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
Prosthesis Durability
Management of Severely Atrophied Maxillary Ridge Using Quad Zygomatic Implants
This clinical study will aim to compare and evaluate zygomatic implant stability, occlusal contact, and bone level changes around dental implants
- Trial name
- NCT06031506
- Testing
- Implant supported hybrid maxillary prosthesis
- Where
- Egypt
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Mansoura University
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 Durability
Effect of Adding Zirconium Oxide Nanoparticles to Printable Implant Overdenture
This clinical study will be conducted to evaluate and compare non-modified printable acrylic resin base material and modified printable acrylic resin base material with zirconia oxide nanoparticles for a 2-implant retained…
- Trial name
- NCT06116877
- Testing
- implant supported overdenture
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Mansoura University
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
Prosthesis Durability
Two Versus Four Implant-supported Fixed Full-arch Prosthesis
The aim of this study will be the evaluation of patient satisfaction and oral health-related-quality of life (OHRQoL) of two versus four implants supporting fixed full-arch screw-retained metal acrylic hybrid mandibular…
- Trial name
- NCT05290766
- Testing
- placement of four dental implants, placement of two dental implants, mandibular full arch prosthesis
- Where
- 2 sites in Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Prosthesis Durability
Ultrasound Investigation of Tongue Movement for Implant Overdenture
This study aimed to examine the impact of mandibular implant overdentures on tongue movement during mastication.
- Trial name
- NCT06705114
- Testing
- complete denture, implant overdenture
- Where
- Egypt
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Mansoura University