- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06286579
SOI Immediately vs Delayed
The Efficacy of New SOI Implant Surface for Immediately Loaded, Post-extractive Versus Delayed Implants
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
Sassari, Italy, 07100
- Marco Tallarico
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Any patient with at least one hopeless tooth in the mandible or maxilla, located between premolars, with intact post extractive alveolus. The implants must to engage at least 3 (mandible) to 5 (maxilla) mm of residual native bone over the socket.
- Patients with 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). Heavy smokers will be excluded.
- Biotype will be categorized in thin (≤1 mm), medium (>1 - <2 mm) or thick (≥2 mm).
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.
- Uncontrolled diabetes.
- Heavy smokers.
- 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
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: Immediately implant placement
Atraumatic tooth extraction and immediately placement of implant with a new surface
|
After atraumatic tooth extraction immediate implant placement with SOI surface and loading will be performed with temporary restoration.
After osseointegration (8 weeks), the temporary restoration will be modified according to the soft tissue management.
After 3 to 4 months, a definitive digital or analog impression will be taken and later definitive restoration will be delivered
|
Active Comparator: Delayed implant placement
Atraumatic tooth extraction, after the site will be left to heal for 4 months, just grafting with A-Oss and suture, according to a socket preservation procedure.
Four month later, implant will be place
|
After atraumatic tooth extraction, the extraction site will be left to heal for 4 months, just grafting with A-Oss and suture, according to a socket preservation procedure. Four month later, implant will be place and immediate loadind with temporary restoration will be performed. After osseointegration (8 weeks), the temporary restoration will be modified according to the soft tissue management. After 3 to 4 months, a definitive digital or analog impression will be taken and later definitive restoration will be delivered |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
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 reason.
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Up to 5 years
|
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.
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, immediately loading, at 1,3 and 5 years after loading for the partial fixed prostheses.
Once the single crowns will be cemented, their stability will be assessed by rocking the crown with the handles of two dental instruments.
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Up to 5 years
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Number of complications
Time Frame: Up to 5 years
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Technical (fracture of the framework and/or the veneering material, screw loosening, etc.) and/or biologic (pain, swelling, suppuration, peri-implantitis, etc.) complication will be considered.
|
Up to 5 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Rate of 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.
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At 1,3 and 5 years
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Valuation of patient satisfaction
Time Frame: At 1,3 and 5 years
|
Patients will answer the following questions (separately for each implant):
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At 1,3 and 5 years
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Rate of implant stability quotient (ISQ)
Time Frame: Up to 5 years
|
ISQ was measured and recorded using the IS3 (Osstem), at implant placement, at implants exposure, at the impression time, and prosthetic loading.
|
Up to 5 years
|
Valuation of soft tissue thickness and amount of keratinized tissue
Time Frame: 1,3 and 5 years
|
The soft tissue biotype will be investigated by the same surgeon at the surgical procedures using a periodontal probe into the sulcus.
Greater will be the thickness of the tissue, smaller will be transparency of the periodontal probe.
The amount of keratinized tissue will be evaluated 1 year after surgical procedures using a periodontal probe.
This outcome will be evaluated according to the distance from the gingival margin to the mucogingival junction
|
1,3 and 5 years
|
Number of PES score
Time Frame: 1,3 and 5 years
|
Esthetic evaluation of occlusal and vestibular pictures will take every years after definite loading was done following the pink esthetic score (PES).
In brief, the PES score evaluates seven variables: mesial papilla, distal papilla, soft tissue level, soft tissue contour, alveolar process deficiencies, soft tissue color and texture.
A 0-1-2 scoring system was used, 0 being the lowest and 2 being the highest value, with a maximum achievable score of 14 per dental unit.
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1,3 and 5 years
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Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Estimated)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- UNISS_PHD_Osstem_3
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
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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