Clinical trial Recruiting at 1 site Interventional Ages 60 and up

Using a single implant to stabilize lower dentures in older adults

Official title: Stabilizing Mandibular Overdentures With a Single Implant Placed in the Canine Region of the Preferred Chewing Side Compared to the Midline Single-implant Overdenture Treatment Concept: an RCT With 5 Years of Follow-up

Run by University of Geneva, Switzerland · NCT06755034 · Data updated 2026-11-12

This study is testing if putting one implant in the side of the jaw can help older adults with complete dentures feel more stable and comfortable compared to the usual method of placing the implant in the center.

Quick facts

Study typeInterventional
Ages60 Years and up
SexAll
Enrollment36 (estimated)
SponsorUniversity of Geneva, Switzerland
Academic / other
Drugs / interventionschemotherapy, radiation
Locations1 site (Geneva, Canton of Geneva)
StatusRecruiting
StartedJanuary 1, 2025
Main results expectedDecember 2031
Study endsDecember 2031
Registry record updatedMarch 26, 2025
Trial IDNCT06755034 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are individuals aged 60 and older who are completely edentulous and can wear or modify their dentures.

Probably not a fit

Patients with contraindications to the medical devices used or those unable to maintain adequate oral hygiene may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study evaluates the effectiveness of placing a single implant in the canine region of the preferred chewing side to stabilize complete dentures for completely edentulous patients. The goal is to determine if this approach yields satisfactory results compared to the traditional implant placement in the center of the lower jaw. Participants will be older adults who are edentulous and currently using or can use complete dentures. The study will assess the stability and comfort of the dentures with the new implant placement method.

Why it matters

Potential benefit: If successful, this approach could significantly improve the stability and comfort of dentures for older adults, enhancing their quality of life.

How similar studies have gone: Previous studies have shown promising results with similar implant stabilization techniques, indicating potential for success in this approach.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Informed consent signed by the subject
* Age ≥ 60 years
* Edentulous and wearing sufficient complete maxillary and mandibular dentures or ones that can be rendered sufficient via a reline and/or renewal of the prosthetic teeth
* Healed edentulous mandible (minimum 6-8 weeks since last extraction in the anterior zone (4-4) and one year in the posterior zone (5-8))
* Physical status ASA1 and ASA2

Exclusion Criteria:

* Contraindications to the medical devices used, e.g. known hypersensitivity or allergy
* Vulnerable subjects
* Enrollment of the investigator, his/her family members, employees and other dependent persons
* Known or suspected non-compliance, drug or alcohol abuse
* Inability to perform adequate oral hygiene
* Inability to follow the procedures of the investigation, e.g. due to language problems, psychological disorders, dementia, Parkinson etc. of the subject (Dementia: clock-drawing test score ≤ 5)
* Surgical risk factors such as, but not limited to, uncontrolled diabetes, immunosuppression, radiation, chemotherapy, or antiresorptive medication (ex. Bisphosphonates)
* Heavy smoking habit: \>20 cig/d
* Reported severe bruxism or clenching habits, clinically present oro-facial pain
* Depression: Geriatric Depression Scale \> 9
* Xerostomia: SSFR ≤ 0.7ml/min
* Ridge dimensions \<6 mm (width) by 10 mm (height) in the canine or midline area
* Ridge defects requiring bone augmentation procedures

Where it's running

  • University Clinics of Dental Medicine, University of Geneva
    Geneva, Canton of Geneva, Switzerland
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.