Status:
RECRUITING
Effect of Placing the Implant Crown on the Implant on the Same Day as the Implant vs. 4 Weeks Later.
Lead Sponsor:
University of Bern
Conditions:
Lower Molar Requiring Extraction
Eligibility:
All Genders
20+ years
Phase:
NA
Brief Summary
In this study, participants with one lower first molar that require removal and replacement using dental implants will be enrolled. The implant will be inserted 12-16 weeks after tooth extraction and ...
Detailed Description
Background Dental implants placed between 12 and 16 weeks after tooth loss are a well-documented treatment option. Placing the artificial tooth (implant crown) on the implant the same day (immediate ...
Eligibility Criteria
Inclusion
- Age ≥ 20 years
- Willingness to sign informed consent and to participate in the study
- Plaque index according to Silness and Loe of \< 35% \[26\]
- Presence of a mandibular first molar that has to be extracted
- Sufficient vertical interocclusal space for the placement of an implant crown (7 mm)
- Presence of an opposing natural or artificial tooth
- Ridge height sufficient for the placement of a ≥ 10 mm-long implant
- Sufficient ridge width for the placement of a 4.1mm diameter implant
Exclusion
- Any physical or mental disorder that would interfere with the ability to perform adequate oral hygiene or the capability of providing written informed consent and compliance to the protocol
- Any disorder that would interfere with wound healing or represent a contraindication for implant surgery such as, but not limited to, uncontrolled diabetes or conditions resulting in or requiring immunosuppression, radiation, chemotherapy, frequent use of antibiotics or antiresorptive medication such as bisphosphonates
- Pregnancy or lactation
- Intention to become pregnant between inclusion and implant loading
- Heavy smoking habit with ≥ 10 cig/d
- Severe bruxism or clenching habits, present oro-facial pain
- Insufficient ridge width/height for the study implant
- Defect of any alveolar wall (secondary exclusion criterion at tooth extraction)
- ISQ \< 70 (secondary exclusion criterion for Group A at implant placement, for Group B at loading visit)
Key Trial Info
Start Date :
April 1 2021
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
May 1 2033
Estimated Enrollment :
100 Patients enrolled
Trial Details
Trial ID
NCT04319042
Start Date
April 1 2021
End Date
May 1 2033
Last Update
January 27 2025
Active Locations (2)
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1
Klinik für Oralchirurgie und Stomatologie
Bern, Switzerland, 3010
2
Klinik für rekonstruktive Zahnmedizin und Gerodontologie
Bern, Switzerland, 3010