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

NCT07162389 · Status: ACTIVE_NOT_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 10

Last updated 2025-09-09

No results posted yet for this study

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.

Conditions

  • Alveolar Bone Atrophy

Interventions

DEVICE

Shallow-Threaded Short Implant (SHI)

A 7mm long, 4.2mm diameter dental implant with shallow thread (\<0.5mm depth) Macrodesign, surgically placed in the jawbone to restore missing teeth

DEVICE

Shallow-Threaded Standard Implant (SDI)

A 11mm long, 4.2mm diameter dental implant with shallow thread (\<0.5mm depth) macrodesign, surgically placed in the jawbone to restore missing teeth.

Sponsors & Collaborators

  • University of Science and Technology, Yemen

    lead OTHER

Study Design

Allocation
NON_RANDOMIZED
Purpose
HEALTH_SERVICES_RESEARCH
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
60 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2025-08-01
Primary Completion
2026-02-01
Completion
2026-12-01

Countries

  • Yemen

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07162389 on ClinicalTrials.gov