Mandibular Overdentures Retained by Four Locator Attachments Versus Four-Implant Bar Attachments
Recruiting
Observational Study
Bone Loss
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
No Study Drug
Researchers observe your health over time — no experimental treatment is given.
At a Glance
- Age
- 40 – 70
- Sex
- Any
- Study type
- Observational
- Participants needed
- 22 (estimated)
- Sponsor
- Menoufia University · Other
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About This Trial
This 10-year retrospective study investigates residual ridge changes in edentulous patients treated with mandibular overdentures (ODs) retained by either four Locator attachments or a four-implant bar system. Although two-implant ODs are well established, four-implant configurations may offer enhanced stability and function. Locator and bar attachments are commonly used, but their long-term effect…
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
* Completely edentulous mandible and maxilla for at least 12 months.
* Four interforaminal dental implants placed in the lateral incisor and first premolar regions.
* Opposing maxillary complete denture constructed using a muco-compressive impression technique, with maximum dent…
Contacts