Dental Implants for Complete Lower Dentures

Recruiting in Palo Alto (17 mi)

Overseen byStephen R. Bryant, DDS, PhD

Age: 18+

Sex: Any

Travel: May Be Covered

Time Reimbursement: Varies

Trial Phase: Academic

Waitlist Available

Sponsor: University of British Columbia

No Placebo Group

Trial Summary

What is the purpose of this trial?This trial is testing if using one implant to hold lower dentures is as good as using two implants. It aims to see if patients are just as happy with one implant over time. The study will also check how well the implants last and how often they need maintenance.

Eligibility Criteria

This trial is for people who have no teeth and are currently using complete lower dentures that look good and work well. They must be able to consent, stay available for the study duration, speak English or have a translator, and be fit for dental implant surgery.

Inclusion Criteria

I can agree to and follow the treatment plan.

I can communicate in English or have someone who can translate for me.

I am happy with my current complete dentures, and a dental specialist agrees they fit well.

+3 more

Exclusion Criteria

I need a new set of complete dentures.

I have a severe health condition like heart issues, immune problems, or uncontrolled bleeding.

I have had radiation therapy on my head or neck.

+4 more

Participant Groups

The study tests patient satisfaction with lower dentures held by either one or two implants over five years. It will compare how satisfied patients feel, how long the implants last, and how often the dentures need maintenance.

2Treatment groups

Active Control

Group I: 1 implantActive Control4 Interventions

Participants receive the following: 1 implant placed surgically in the mandibular midline; Soft reline of the existing complete lower denture; 2.25mm ball patrix placed on 1 healed implant; and Reline with 1 retentive matrix in the lower denture.

Group II: 2 implantsActive Control4 Interventions

Participants receive the following: 2 implants placed surgically in the mandibular canine sites; Soft reline of the existing complete lower denture; 2.25mm ball patrices placed on 2 healed implants; and Reline with 2 retentive matrices in the lower denture.