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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Ridge preservation Clear all
Completed Phase 4 Interventional Accepts healthy volunteers

Alveolar Ridge Preservation With Putty Allograft vs. Putty Alloplast Graft

NCT05484492
View directory record Official record
Conditions
Alveolar Bone Resorption
Interventions
demineralized and mineralized combination putty bone allograft, calcium phosphosilicate putty alloplast graft
Biological
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Sep 25, 2026, 11:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Comparison Between Primary and Secondary Flap Coverage in Extraction Sites: A Pilot Study

NCT03136913
View directory record Official record
Conditions
Loss of Teeth Due to Extraction
Interventions
Cytoplast® TXT-200, MinerOss® Cortical and Cancellous Chips (FDBA), Open Flap Technique, Closed Flap Technique
Device · Procedure
Lead sponsor
Tufts University
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 11, 2021 · Synced Sep 25, 2026, 11:02 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Azento IIS 3 Year Outcomes Implant Study

NCT04255342
View directory record Official record
Conditions
Tooth Loss
Interventions
Implant Placement and Temporary Crown using AstraTech Implant System EV, Final Crown Delivery
Device
Lead sponsor
Christopher Barwacz
Other
Eligibility
18 Years to 95 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Oct 2, 2024 · Synced Sep 25, 2026, 11:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Ridge Preservation Comparing an Intrasocket Graft Alone to an Intrasocket Graft Plus a Facial Overlay Graft

NCT01431131
View directory record Official record
Conditions
Clinical Efficacy
Interventions
Intrasocket graft, Intrasocket plus facial overlay graft
Procedure
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jan 30, 2017 · Synced Sep 25, 2026, 11:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Histological Comparison of Ridge Preservation Using Mineralized FDBA Alone Versus a Combined Mineralized-Demineralized Freeze Dried Bone Allograft

NCT01924390
View directory record Official record
Conditions
Tooth Extraction
Interventions
Mineralized freeze-dried bone allograft alone, Combination of Mineralized and demineralized freeze-dried bone allograft alone
Device
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 5, 2014 · Synced Sep 25, 2026, 11:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Zimmer Puros® Allograft vs. Creos™ Allograft for Alveolar Ridge Preservation

NCT02444052
View directory record Official record
Conditions
Alveolar Bone Grafting, Allograft, Dental Extraction, Dental Implant, Socket Preservation
Interventions
Zimmer Puros Cancellous Allograft, Nobel Biocare Creos Cancellous Allograft
Device
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 1, 2018 · Synced Sep 25, 2026, 11:02 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Mix of Demineralized Freeze-Dried Bone Allograft and Deproteinized Bovine Bone Mineral: a Possible Solution for Alveolar Ridge Preservation?

NCT06275789
View directory record Official record
Conditions
Alveolar Ridge Preservation, Dental Extraction, Bone Graft
Interventions
Alveolar ridge preservation
Procedure
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Sep 25, 2026, 11:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Ridge Preservation Following Tooth Extraction Using Two Mineralized Cancellous Bone Allografts

NCT02515058
View directory record Official record
Conditions
Alveolar Bone Loss
Interventions
PUROS (Ridge Preservation bone grafting surgery), FDBA (Ridge Preservation bone grafting surgery)
Device
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 89 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 22, 2018 · Synced Sep 25, 2026, 11:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy of Socket Grafting for Alveolar Ridge Preservation

NCT01794806
View directory record Official record
Conditions
Atrophy of Edentulous Alveolar Ridge
Interventions
Tooth extraction and grafting with allograft, Tooth extraction
Procedure
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 75 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 16, 2017 · Synced Sep 25, 2026, 11:02 PM EDT
Not yet recruiting Phase 4 Interventional Accepts healthy volunteers

Biotivity A-C Membrane Socket Preservation Study

NCT07091448
View directory record Official record
Conditions
Alveolar Ridge Preservation
Interventions
Amnion chorion membrane, Collagen membrane
Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 25, 2026, 11:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ridge Preservation Comparing a PTFE Nonresorbable Membrane to a Collagen Membrane

NCT01900964
View directory record Official record
Conditions
Clinical Efficacy
Interventions
PTFE membrane, Collagen membrane
Procedure
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Louisvile, Kentucky
Source: ClinicalTrials.gov public record
Updated Dec 7, 2016 · Synced Sep 25, 2026, 11:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Temporary Anchorage Devices for Ridge Preservation

NCT03205800
View directory record Official record
Conditions
Ridge Preservation
Interventions
Mini-screw
Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 18, 2025 · Synced Sep 25, 2026, 11:02 PM EDT
Completed Not applicable Interventional Results available

Ridge Preservation Using a Ossix™ Bone vs Bio-Oss® Collagen

NCT04338516
View directory record Official record
Conditions
TEETH EXTRACTION
Interventions
Ossix™ Bone, Bio-Oss® Collagen
Device
Lead sponsor
Datum Dental LTD
Industry
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Sep 25, 2026, 11:02 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Ridge Preservation Comparing Simultaneous vs. Delayed Grafting

NCT03580798
View directory record Official record
Conditions
Tooth Loss
Interventions
Delayed graft, Simultaneous graft
Procedure
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 9, 2020 · Synced Sep 25, 2026, 11:02 PM EDT
Completed Not applicable Interventional Results available

Assessment of Ridge Preservation Using Moldable Beta-tricalcium Phosphate Bone Grafting System

NCT02702609
View directory record Official record
Conditions
Dental Implants, Alveolar Ridge Preservation
Interventions
easy-graft CLASSIC, FDBA with collagen plug
Device
Lead sponsor
Sunstar Americas
Industry
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Iowa City, Iowa • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 21, 2020 · Synced Sep 25, 2026, 11:02 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Comparison of Dimensional Changes After Tooth Extractions Between Xenograft and Allograft

NCT04550689
View directory record Official record
Conditions
Tooth Loss
Interventions
Bone graft
Device
Lead sponsor
UConn Health
Other
Eligibility
21 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 27, 2023 · Synced Sep 25, 2026, 11:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ridge Preservation Comparing 2 Membranes

NCT01905280
View directory record Official record
Conditions
Alveolar Ridge Deficiency
Interventions
Non-resorbable membrane, Acellular dermal matrix
Procedure
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Dec 7, 2016 · Synced Sep 25, 2026, 11:02 PM EDT
Not listed Not applicable Interventional

Comparison of Two Different Alveolar Ridge Preservation Techniques

NCT02482987
View directory record Official record
Conditions
Loss of Teeth Due to Extraction
Interventions
dense polytetrafluoroethylene (dPTFE) membrane Cytoplast, human amniotic-tissue derived membrane BioXclude, Ridge Preservation with overlay graft, Ridge Preservation without overlay graft
Device · Procedure
Lead sponsor
Eisenhower Army Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Fort Gordon, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 6, 2017 · Synced Sep 25, 2026, 11:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Healing Time on New Bone Formation Following Tooth Extraction and Ridge Preservation With Demineralized Freeze-Dried Bone Allograft

NCT02154386
View directory record Official record
Conditions
Bone Augmentation
Interventions
Ridge preservation using DFDBA
Device
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 89 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Dec 2, 2015 · Synced Sep 25, 2026, 11:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ridge Preservation With Putty Allografts

NCT03956251
View directory record Official record
Conditions
Tooth Loss
Interventions
Combined Mineralized/Demineralized Putty Allograft, Demineralized Putty Allograft
Procedure
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 2, 2021 · Synced Sep 25, 2026, 11:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparison of Post Tooth Extraction Healing Using Different Xenograft Materials

NCT03149172
View directory record Official record
Conditions
Alveolar Bone Loss
Interventions
Equimatrix®, Bio-Oss®, Endobon®
Device
Lead sponsor
Tufts University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 24, 2020 · Synced Sep 25, 2026, 11:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Influence of Bone Allograft Particle Sizes on the Quantity and Quality of New Bone Formation in Grafted Extraction Sockets and Edentulous Ridges

NCT03468998
View directory record Official record
Conditions
Alveolar Ridge Augmentation, Alveolar Ridge Preservation
Interventions
Socket Grafting with small particle allograft, Socket Grafting with large particle allograft, Lateral ridge augmentation with small particle allograft, Lateral ridge augmentation with large particle allograft
Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 99 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 5, 2023 · Synced Sep 25, 2026, 11:02 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

To Compare Post-Extraction Use of a Novel Ethylenediaminetetraacetic Acid (EDTA) Post-operative Mouth Rinse and Daily Use EDTA Mouth Rinse and Standard 0.12% Chlorhexidine (CHX) Post-operative Mouth Rinse and Daily Use Essential Oil (EO) Mouth Rinse.

NCT07191262
View directory record Official record
Conditions
Extraction Sites After Removal and Bone Replacement Grafting at Extraction Sockets of Dentally Hopeless Single-rooted Teeth
Interventions
0.12% CHX and Essential Oil mouthrinse, 2.6% EDTA and 0.2% EDTA mouth rinse
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Sep 25, 2026, 11:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Implant-Abutment Interface Design on Bone and Soft Tissue Levels Around Implants Placed Using Different Transcrestal Sinus Floor Elevation

NCT02953392
View directory record Official record
Conditions
Tooth Loss
Interventions
Anorganic Bovine Bone Graft Material, Collagen Membrane, Shelta Platform Switching Premium Implants, Shelta Platform Matching Premium Implants
Device
Lead sponsor
NYU College of Dentistry
Other
Eligibility
18 Years to 70 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced Sep 25, 2026, 11:02 PM EDT