- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06276712
RCT Comparing KS Versus TS for Ovedenture
February 21, 2024 updated by: Marco Tallarico, Università degli Studi di Sassari
A Randomized Controlled Trial Comparing Titanium Grade V (KS) Versus Titanium Grade IV (TS) Implants for the Treatment of Edentulous Mandible
To evaluate the clinical and radiographic outcomes of KS implants used to rehabilitate edentulous mandible with dental-retained overdentures, and to compare it with same treatment on TS implants
Study Overview
Status
Not yet recruiting
Study Type
Interventional
Enrollment (Estimated)
48
Phase
- Not Applicable
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Yes
Description
Inclusion Criteria:
- Any edentulous patient (post-extractive sites must to be healed from at least 3 months), with sufficient bone height and width in the anterior mandible (between canines) to allow the placement of two implants of 3.5 mm diameter of at least 8.5 mm of length.
- 18 years or older, and able to sign an informed consent.
- Smokers will be included and categorized into: 1) non smokers; 2) moderate smokers (smoking up to 10 cigarettes/day); 3) heavy smokers (smoking more than 11 cigarettes/day).
- In case of post-extractive sites, they must have been healing for at least 3 months before being treated in the study.
Exclusion Criteria:
Exclusion criteria
- General contraindications to implant surgery.
- Patients irradiated in the head and neck area.
- Immunosuppressed or immunocompromised patients.
- Patients treated or under treatment with intravenous amino-bisphosphonates.
- Patients with untreated periodontitis.
- Patients with poor oral hygiene and motivation.
- Previous guided bone reconstruction at the intended implant sites.
- Uncontrolled diabetes.
- Pregnancy or nursing.
- Substance abuser.
- Psychiatric problems or unrealistic expectations.
- Lack of opposite occluding dentition in the area intended for implant placement.
- Patients with infection and or inflammation in the area intended for implant placement.
- Patients participating in other studies, if the present protocol cannot be properly adhered to.
- Patients referred only for implant placement and cannot be followed ant the treating centre.
- Patients unable to be followed for 5 years.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Ks dental implant
Implant placement in edentulous jaws for a prosthetic implant rehabilitation with implant-retained overdenture (mucosally supported), on two implants using KS implant with 3.5 mm of diameter
|
Implant placement in edentulous jaws for a prosthetic implant rehabilitation with implant-retained overdenture (mucosally supported), on two implants.
with 3.5 mm diameter KS implants.After osseointegration, both dental implants will receive definitive prosthesis.
|
Active Comparator: TS dental implant
Implant placement in edentulous jaws for a prosthetic implant rehabilitation with implant-retained overdenture (mucosally supported), on two implants using TS implant with 3.5 mm of diameter
|
Implant placement in edentulous jaws for a prosthetic implant rehabilitation with implant-retained overdenture (mucosally supported), on two implants.
with 3.5 mm diameter TS implants.After osseointegration, both dental implants will receive definitive prosthesis.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of implant failure
Time Frame: Up to 5 years
|
Defined as implant mobility and/or any infection dictating implant removal, and/or implant fracture and/or any other mechanical complication rendering the implant unusable.
|
Up to 5 years
|
Number of prosthesis failure
Time Frame: Up to 5 years
|
Whether it will not be possible to place the prosthesis because of implant failure or a prosthesis that has to be remade for any reaso
|
Up to 5 years
|
Number of complications
Time Frame: Up to 5 years
|
echnical (fracture of the framework and/or the veneering material, screw loosening, etc.) and/or biologic (pain, swelling, suppuration, peri-implantitis, etc.) complications will be considered.
|
Up to 5 years
|
Rate of implant stability
Time Frame: Up to 5 years
|
The stability of each individual implant will be measured by the local blinded outcome assessors manually tightening the screws with a torque of 30 Ncm at abutment connection at initial loading.
At 1,3 and 5 years after loading, individual implants will be manually tested for stability.
Once the single crowns will be screwed, their stability will be assessed by rocking the crown with the handles of two dental instruments.
|
Up to 5 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Peri-implant marginal bone level changes
Time Frame: At 1,3 and 5 years
|
Peri-implant marginal bone level changes will be assessed on periapical radiographs took with the paralleling technique at implant placement, at initial loading, 1,3 and 5 years after loading.
Ideally digital radiographs should be taken, otherwise radiographs on conventional films will be scanned into TIFF format with a 600 dpi resolution, and stored in a personal computer.
Peri-implant marginal bone levels will be measured using the Scion Image (Scion Corporation, Frederick, MD, USA) software.
The software will be calibrated for every single image using the known distance of the first two consecutive threads.
Measurements of the mesial and distal bone crest level adjacent to each implant will be made to the nearest 0.01 mm.
Reference points for the linear measurements will be: the coronal margin of the implant collar and the most coronal point of bone-to-implant contact.
Bone levels will be measured.
|
At 1,3 and 5 years
|
Patient satisfaction
Time Frame: At 1,3 and 5 years
|
Patients will answer the following questions (separately for each implant):
|
At 1,3 and 5 years
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Estimated)
March 1, 2024
Primary Completion (Estimated)
December 30, 2024
Study Completion (Estimated)
January 30, 2028
Study Registration Dates
First Submitted
April 24, 2023
First Submitted That Met QC Criteria
February 21, 2024
First Posted (Actual)
February 26, 2024
Study Record Updates
Last Update Posted (Actual)
February 26, 2024
Last Update Submitted That Met QC Criteria
February 21, 2024
Last Verified
February 1, 2024
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- UNISS_PHD_Osstem_5
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
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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