- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04082143
CATER: Comprehensive Alveolar and Tooth Esthetic Replacement (CATER)
The purpose of this study is to prospectively evaluate whether including an allogeneic gum graft (PerioDerm*) during dental implant therapy improves implant health and appearance.
On the day of implant surgery, participating subjects will be randomized to either receive or not receive a supplemental gum graft along with the implant. Participating subjects will also be asked to complete a brief (about 15 questions) oral health questionnaire.
Participating subjects will return to the clinic about 8 weeks post surgery for digital crown impressions and again at 11-13 weeks after surgery for crown placement. Participating subjects will also return to clinic at 1 year after implant placement for implant evaluation. At this final study appointment, x-rays and a 3D intraoral scan will be obtained for the purpose of measuring alveolar volume. The health of the mucosa surrounding the implant and subject satisfaction will be assessed via bleeding upon probing and completion of a brief questionnaire, respectively.
Study Overview
Status
Conditions
Detailed Description
An alveolar ridge is the part of the jawbone which immediately surrounds and anchors the tooth socket ("alveolus"). Similar to any bone or muscle atrophying when not used, the alveolar ridge will shrink ("resorb") following tooth extraction. The volume of an alveolar ridge can be measured by both 3 Dimensional ("3D") intraoral scan and radiography, and is used clinically as a metric of oral health.
A dental implant is a medical-grade titanium screw placed into healed alveolar bone or a tooth socket following tooth extraction. It replaces the tooth root and supports the crown, or "dental cap"; an artificial tooth generally made with porcelain or surgical grade metals.
Implant success requires both sufficient bone alveolar volume and sufficient mucosal tissue to protect against biofilm-mediated inflammation, assure functional comfort and contribute to dental implant esthetics. Following dental implant placement, the alveolar ridge resorbs approximately 0.5 to 1.0 mm during the first year. Healed ridges are also often volumetrically deficient, losing up to 30% of their horizontal volume following tooth extraction.
To remedy this, peri-implant mucosal grafting has been proposed and is currently part of dental implant therapy. Both autogenous grafts (mucosal connective tissue from the roof of the patient's own mouth or "palate") and allogeneic grafts (collagen-rich grafts derived from a genetically non-identical human donor) are used for these purposes, but there is controversy regarding the effectiveness of supplemental graft use during implant treatment.
The purpose of this study is to prospectively evaluate whether including an allogeneic gum graft (PerioDerm*) during dental implant therapy improves implant health and appearance.
On the day of implant surgery, participating subjects will be randomized to either receive or not receive a supplemental gum allograft along with the implant. Participating subjects will also be asked to complete a brief (about 15 questions) oral health questionnaire.
Participating subjects will return to the clinic about 8 weeks post surgery for digital crown impressions and again at 11-13 weeks after surgery for crown placement. Participating subjects will also return to clinic about 1 year after implant placement for assessment of the implant evaluation. At this final study appointment, x-rays, a 3D intraoral scan and intraoral photographs of the implant will be obtained for the purpose of measuring alveolar volume. The health of the mucosa surrounding the implant and subject satisfaction will be measured via bleeding upon probing and completion of a brief questionnaire, respectively.
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
-
-
Illinois
-
Chicago, Illinois, United States, 60611
- University of Illinois at Chicago College of Dentistry
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- At least 18 years of age
- Willing and able to provide informed consent
- In need of one implant to replace a missing tooth
- At least 20 teeth in good repair and occlusion
- Sufficient bone volume for dental implant placement without required bone augmentation
- Site development (soft and/or bone tissue) performed at least 5 months before implant placement, when required
Exclusion Criteria:
- Current smoker
- Implant cannot be placed without bone graft
- Unable to pay for crown
- Untreated rampant caries and/or uncontrolled periodontitis
- Absence of adjacent (mesial and/or distal) natural tooth
- Uncontrolled diabetes
- Systemic or local disease or condition that would compromise post-operative healing and/or osseointegration
- use of bisphosphonates
- History of radiation in the head and neck region
- Unable or unwilling to return for follow-up visits
- Unrealistic esthetic or functional demands
- Unlikely to be able to comply with study procedures
- Unwilling or unable to provide informed consent
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Implant with prophylactic allograft
|
implant placement with allograft mucosal enhancement
|
Active Comparator: Implant without prophylactic allograft
|
implant placement without allograft mucosal enhancement
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Volume of alveolar ridge
Time Frame: 12 months post implant surgery
|
Volume of the alveolar ridge (in millimeters) as measured by 3D Intraoral scanning
|
12 months post implant surgery
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Implant survival
Time Frame: 12 months post implant surgery
|
Implant survival at 12 months post implant surgery
|
12 months post implant surgery
|
Marginal Bone Levels (MBLs)
Time Frame: 12 months post implant surgery
|
Marginal bone levels (in millimeters) as measured by radiographic translucency
|
12 months post implant surgery
|
Bleeding upon probing
Time Frame: 12 months post implant surgery
|
Bleeding upon probing in millimeters as measured by dental probe
|
12 months post implant surgery
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Patient Satisfaction
Time Frame: 12 months post implant surgery
|
Patient satisfaction with implant therapy as measured by the Oral Health Impact Profile
|
12 months post implant surgery
|
Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Sandra Al-Tarawneh, University of Illinois at Chicago
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- 2019-0255
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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