Clinical Research Directory

Comparative (Short vs. Standard) Length Implants in Early Stability Patterns.

Sponsor: University of Science and Technology, Yemen

Summary

Early Stability of Short vs. Standard Dental Implants in the Posterior Mandible This study compares how well short dental implants (7mm) work compared to standard-length implants (11mm) when placed in the back part of the lower jaw. Both types of implants have special shallow threads designed to reduce stress on the bone. The main goal is to see how stable they are during the first 4 weeks after placement-a critical time for healing. * Short implants may be a good option for patients with limited jawbone height, avoiding the need for bone grafting. * Understanding their early stability helps dentists decide when it's safe to place teeth on them. * This study uses advanced tools like 3D scans (CBCT) and implant stability measurements (ISQ) to track healing. What will happen in the study? 1. Screening: A dental exam and 3D scan to check bone quality. 2. Implant Placement: * Short (7mm) or standard (11mm) implant, depending on your bone height. * Minimally invasive surgery with local anesthesia. 3. Follow-ups: Painless stability checks at end of 1, 2, 3, and 4 weeks using a small device (RFA). Who can participate? Adults (18-60 years) missing posterior teeth in the lower jaw, with: * Enough bone width (≥6.5mm). * No uncontrolled health conditions (e.g., severe diabetes). * Non-smokers or light smokers (\<10 cigarettes/day). * Benefits: Free implant placement and monitoring; contributes to better dental care. * Risks: Typical surgery risks (swelling, infection); rare nerve injury (\<5% chance). How long is the study? * Active participation: 4 weeks (with optional long-term follow-up). * Total study duration: \~12 months (including data analysis). Mohammad Abdulwahab Al-Jonaid University of Science and Technology, Sana'a. * Supervisor: Dr. Ali Al-Hudaied, Oral and Maxillofacial Surgery Specialist.

Official title: Early Stability of Short Dental Implants With Shallow Threads in the Posterior Mandible: A Controlled Clinical Pilot Study .

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