Clinical trials: Crestal Bone Loss
Edentulous Mandible
Radiographic and Clinical Evaluations of Mandibular Implant-Supported Overdentures Supported by Conventional and Zirconia CAD/CAM Bars: A Randomized Clinical Trial
This randomized clinical trial aimed to evaluate the radiographic and clinical evaluations of mandibular implant-supported overdentures supported d by two different bar materials。 Completely edentulous patients received two…
- Trial name
- NCT07429149
- Testing
- Cobalt-Chromium Bar Attachment, Zirconia CAD/CAM Bar Attachment
- Where
- Egypt
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Sara Mohamed Fakhry Meligy Mohamed
Jaw, Edentulous, Partial Edentulism
Evaluation of MBL Around Implants Placed in Crestal or Subcrestal Positions: a RCT
The objective of this randomized controlled trial is to evaluate changes in marginal bone levels and soft tissue dimensions around implants placed with the IAI at different positions in relation to the alveolar crest
- Trial name
- NCT03806608
- Testing
- Crestal, Subcrestal
- Where
- China
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Bone Loss, Partial Edentulism Class 1
Short Implant Versus Crestal Standard Length Implant to Retain Class 1 Removable Partial Denture.
Objective: To report the implant survival rates, clinical, and radiographic outcomes of subcrestal short implant versus crestal standard length implant supported removable partial denture (RPD).
- Trial name
- NCT06666595
- Testing
- Titanium dental implant (Conical SPI, Vitronix, Italy), Medical device that interfaces with the jawbone to support a dental prosthesis.
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Menoufia University
Telescopic Overdentures, Dental Implants
Crestal Bone Loss in Mandibular Telescopic Overdentures. Overdenture with Milled Titanium, Milled Poly-ether Ketone Ketones and 3D Printed Chrome Cobalt Secondary Copings.
The objective of this clinical trial is to evaluate crestal bone loss every three months at time of overdenture insertion, 3, 6, 9, 12 months from overdenture use. Also, to evaluate prosthesis satisfaction.
- Conditions
- Telescopic Overdentures, Dental Implants, Customized Abutments
- Trial name
- NCT06639893
- Testing
- Telescopic overdenture
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Posterior Mandible Missing Tooth and /or Teeth
Flapless Versus Flap Technique for Evaluation of Crestal Bone Loss and Osseointegration of Dental Implants
this study aimed to evaluate both clinically and radiographically the effect of flapless versus flap techniques on initial crestal bone loss and osseointegration of dental implants in lower posterior area.
- Trial name
- NCT07159529
- Testing
- flapless technique, flap technique, tissue punching
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Tanta University
Tooth Loss, Edentulousness
Soft Tissue Thickness on Submerged and Non Submerged Implants
Changes in the marginal bone level surrounding the implant are the frequently used parameters in assessing the short- and long-term success.
- Trial name
- NCT02842385
- Testing
- Implant
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Ege University
Vertical Implant Position, Delayed Implant Placement With Immediate Loading
Influence of Vertical Implant Position on Marginal Bone Loss in Cases With Thin Phenotype
The goal of this clinical trial is to learn if vertical position of the dental implant will affect the bone around the implant in place of a missing tooth that happens to be bounded by two natural teeth.
- Conditions
- Vertical Implant Position, Delayed Implant Placement With Immediate Loading, Tooth Loss / Rehabilitation
- Trial name
- NCT07483086
- Testing
- Delayed implant with immediate temporization placed 2 mm subcrestal level, Delayed implant with immediate temporization placed at the crestal level
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Cairo University
Hybrid Crowns on Single Implants in Esthetic Zone
Patient Satisfaction and Crestal Bone Loss of Polymer Infiltrated Ceramic Network Versus Lithium Disilicate Implant Hybrid Abutment Crowns in Esthetic Zone
P: Population: Patients requiring single unit implant restoration in esthetic zone I: Intervention: Polymer-infiltrated-ceramic-network abutment crown (VITA Enamic-VITA Zahnfabrik) C: Comparison: Lithium disilicate ceramic…
- Trial name
- NCT03333889
- Testing
- Vita Enamic hybrid crown, emax hybrid crown
- Where
- Egypt
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Cairo University
Maxillary Sinus Disease, Alveolar Bone Loss
Crestal Sinus Lifting in Periodontally-Compromised Patients Utilizing Autologous Dentin Graft
The integration of artificial intelligence and computer-guided technology offers the potential for improving surgical accuracy, reducing complications, and enhancing outcomes.
- Trial name
- NCT06887582
- Testing
- Free-hand sinus lift augmanted by particulate autologous dentin graft + free-hand implant placement, AI-assisted/computer-guided sinus lift augmanted by particulate autologous dentin graft + computer-guided implant placement, Free-hand sinus lift with autologous dentin block graft +free-hand immediate implant placement
- Where
- Egypt
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Kafrelsheikh University
Dental Implant Bone Loss
A Randomized Controlled Clinical Trial to Assess Crestal Bone Remodeling of Four Different Implant Designs
This randomized controlled trial aimed to assess the effect of the implant neck design (microthreaded vs. non-microthreaded) as well as the type of abutment connection (internal conical vs.
- Trial name
- NCT06821308
- Testing
- Implant placement
- Where
- Belgium
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University Ghent
Bone Loss
Crestal Bone Loss and Patient Satisfaction of Screw Retained Restoration
On of the main fixed prosthetic options of completely edentulous patients is the screw-retained implant supported prosthesis which was constructed on transmucosal abutments with its encountered problems such as: hardness to make…
- Trial name
- NCT03671668
- Testing
- titanium bases using intra oral luting cement technique
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Periodontitis, Calculus, Dental
Accuracy of Extra-oral Bite-wing Radiography in Detecting Calculus and Crestal Bone Loss
To compare the diagnostic accuracy of extra-oral x-rays with intra-oral x-rays, in contrast to clinically observed measurements, for the detection of calculus and bone loss of either the suprabony or infrabony types in patients…
- Conditions
- Periodontitis, Calculus, Dental, Bone Loss, Alveolar
- Trial name
- NCT05887128
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- University of Colorado, Denver
Metformin Gel, Bone Healing
Effect of Metformin Gel on Guided Bone Regeneration Around Immediate Dental Implant at Posterior Maxillary Region
To evaluate, by standardized radiographic follow-up, whether locally delivered 1% metformin gel improves bone healing around immediately placed dental implants augmented with GBR.
- Conditions
- Metformin Gel, Bone Healing, Guided Bone Regeneration, Crestal Bone Loss
- Trial name
- MET-GBR (NCT07770087)
- Testing
- Metformin 1% Topical Gel, immediate Dental Implant Placement With Guided Bone Regeneration
- Where
- 2 sites in Egypt
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Implant Site Reaction
Results of a New Fully Tapered Implant at One Year
Objective: The aim of this prospective observational clinical study is to evaluate the bone level changes in a new implant design, fully tapered and platform switching with the one-time one-abutment protocol after one year of…
- Trial name
- NCT05187143
- Testing
- DENTAL IMPLANT
- Where
- Spain
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Santiago de Compostela
Partial Edentulism, Tooth Loss
The Influence of the Crown-implant Ratio on the Crestal Bone Level and Implant Secondary Stability
The aim of the study was to determine whether implant length and the crown-to-implant (C/I) ratio influence implant stability and the loss of the surrounding marginal bone, and whether short implants can be used instead of sinus…
- Trial name
- NCT03471000
- Testing
- Short implants Treatment, Regular implants Treatment
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Jakub Hadzik
Bone Loss, Pocket, Periodontal
Influence of Acetal Resin Versus Nylon Elastic Cap on Crestal Bone Loss in Mandibular Implant-Supported Overdenture
Objective: To evaluate and compare the effect of two different attachment housing materials-Acetal Resin (Polyoxymethylene) versus conventional Nylon elastic caps-on marginal crestal bone loss around dental implants supporting a…
- Trial name
- AcetalResin (NCT07666763)
- Testing
- Acetal Resin, nylon
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Future University in Egypt
Crestal Bone Loss
Clinical and Radiographic Evaluation of Crestal Bone Loss Around Implant With or Without Platform Switching Design
Implants have become the preferred method of single tooth replacement these days, patients receiving implant treatments not only expect restoration of masticatory function, they also expect that the prostheses will be…
- Trial name
- PS (NCT02761226)
- Testing
- Platform Matched Design (Group A), Platform Switching Design (Group B)
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Cairo University
Dental Implant Failed
The Effect of Triangular Neck Design on Crestal Bone Loss
The objective of this retrospective study with 5-year follow-up was to compare crestal bone loss (CBL) and buccal bone thickness (BBT) around triangular cross-section neck (TN) to round neck (RN) implants retaining mandibular…
- Trial name
- NCT05739461
- Testing
- Dental implant
- Where
- Turkey (Türkiye)
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Kocaeli University
Periimplant Crestal Bone Level Changes
Influence of Platform-switching on Bone Level Alterations: a 3 Year Randomized Clinical Trial (RCT).
The concept of platform-switching has been introduced to implant dentistry based on clinical observations of reduced periimplant crestal bone loss.
- Trial name
- NCT01917305
- Testing
- platform-shifted implant
- Volunteers
- 25 people
- Sponsor
- Søren Jepsen
Bone Loss
Crestal Bone Response to Narrow vs. Regular Tie-Base in Subcrestal Implants
This 24-month randomized clinical trial evaluates peri-implant marginal bone changes at subcrestal implants restored with narrow versus regular tie-base abutments.
- Trial name
- NCT07196228
- Testing
- Intervention Name (Arm 1): Narrow tie-base abutment Intervention Name (Arm 2): Regular tie-base abutment
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Menoufia University