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NCT Number: NCT07775443

Comparative Assessment of Primary Stability in Double, and Triple Thread Implant Designs

The goal of this randomized clinical trial is to compare the primary stability of double-thread and triple-thread dental implant designs in patients requiring implant placement in the posterior maxilla.

The main question it aims to answer is whether implant thread design influences primary implant stability in the posterior maxilla.

Participants will be randomly assigned to one of two groups. Group A will receive a double-thread dental implant, while Group B will receive a triple-thread dental implant. Primary implant stability will be assessed at the time of implant placement using insertion torque and resonance frequency analysis (ISQ).implant stability using ISQ will also be evaluated at 3 months

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Key information

Conditions

Dental Implant Primary Stability of the Implants

Age range

20 year–55 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Patients aged 18-60 years.
  • Medically healthy individuals without any systemic disease that affects bone healing (e.g., uncontrolled diabetes, osteoporosis).
  • Patients requiring dental implants in the posterior maxilla.
  • Adequate bone volume for implant placement.
  • Signed informed consent for participation in the study.

Exclusion criteria

  • Smokers (due to the potential negative impact on bone healing and implant success).
  • Pregnant or breastfeeding women.
  • Patients with a history of radiotherapy or chemotherapy.
  • Patients with severe periodontal disease.
  • Individuals with a history of allergic reactions to implant materials.

Treatment and study plan

triple thread dental implant

Device

Participants assigned to this group will receive a triple-thread dental implant placed in the posterior maxilla. Primary implant stability will be assessed at the time of implant placement using insertion torque and resonance frequency analysis (ISQ).

double thread dental implant

Device

Participants assigned to this group will receive a double-thread dental implant placed in the posterior maxilla. Primary implant stability will be assessed at the time of implant placement using insertion torque and resonance frequency analysis (ISQ).

Primary outcomes

  1. insertion torque

    Time frame: at the time of implant placement T0

    The primary outcome of this study will be the insertion torque, expressed in Newton-centimeter (Ncm). Measurements will be performed using a surgical motor/torque wrench and recorded at the time of implant placement (T0).

Secondary outcomes

  1. implant stability (ISQ)

    Time frame: 3 months

    The first secondary outcome will be the assessment of implant stability (ISQ) using the Osstell ISQ device. The measurements will be expressed on the ISQ scale (1-100) and recorded at the time of implant placement (T0).

    The second secondary outcome will also be the evaluation of implant stability (ISQ), assessed with the Osstell ISQ device on the ISQ scale (1-100), but recorded at 3 months, corresponding to the prosthetic stage

Study contacts

Contact information is provided by the study sponsor or research team.

falah M Alshahrani, BDS

CONTACT

[email protected]

0561554512 ext. 00966599224538

Sponsors and collaborators

Lead sponsor

Future University in Egypt

Other

Registry information

Official study title

Comparative Assessment of Primary Stability in Double, and Triple Thread Implant Designs in the Posterior Maxilla

Acronym: 1th stability

Important dates

Study start
2026
Primary completion
2026
Study completion
2027
First posted
Aug 20, 2026
Registry last updated
Aug 20, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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