Magnetic Mallet Vs Conventional Drilling in D4 Posterior Maxilla

February 24, 2026 updated by: Alyaa Ismael Naser, University of Mosul

Clinical Comparative Analysis of Magnetic Mallet and Conventional Drilling Techniques for Implant Placement in D4 Bone: A Prospective Study

The goal of this clinical trial is to evaluate whether the magnetic mallet technique improves primary implant stability and clinical outcomes compared with conventional drilling during dental implant placement in the posterior maxilla with soft bone quality.

The main questions it aims to answer are:

Does the magnetic mallet technique result in higher primary implant stability compared with conventional drilling?

Does the magnetic mallet technique reduce surgical trauma and related complications compared with conventional drilling?

Researchers will compare the magnetic mallet technique with conventional drilling to determine differences in implant stability, bone response, and clinical outcomes.

Participants will:

Undergo dental implant placement using either the magnetic mallet technique or conventional drilling.

Be clinically and radiographically evaluated for implant stability and postoperative outcomes during follow-up

Study Overview

Status

Enrolling by invitation

Conditions

Intervention / Treatment

Detailed Description

This study is a prospective clinical trial designed to compare the magnetic mallet technique with conventional drilling for dental implant placement in the posterior maxilla characterized by soft bone quality (D4 bone). Achieving adequate primary implant stability in this region remains a clinical challenge, and techniques that preserve and condense bone may improve treatment outcomes.

The magnetic mallet technique uses controlled electromagnetic impulses to prepare the implant site through bone condensation rather than bone removal, potentially enhancing primary stability and reducing surgical trauma. In contrast, conventional drilling relies on rotational cutting instruments that remove bone and may generate heat, which can negatively affect bone vitality.

Eligible participants requiring dental implants in the posterior maxillary region will be randomly allocated to one of two groups: implant site preparation using the magnetic mallet technique or conventional drilling. All implants will be placed following standardized surgical protocols.

Primary outcomes will include the assessment of primary implant stability using objective measurement methods. Secondary outcomes will evaluate peri-implant bone response, intraoperative and postoperative complications, and overall clinical performance during follow-up.

The results of this study aim to provide clinical evidence regarding the effectiveness and safety of the magnetic mallet technique compared with conventional drilling, particularly in soft posterior maxillary bone, to support evidence-based decision-making in implant dentistry

Study Type

Interventional

Enrollment (Estimated)

30

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Iraq
    • Mosul
      • Mosul, Mosul, Iraq, +964
        • University of Mosul/ College of Dentistry

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria where: patients with

  1. healed edentulous posterior maxilla
  2. residual vertical bone height ≥ 11 mm, allowing implant placement without sinus augmentation
  3. bone quality classified as Type IV (D4) according to the Lekholm and Zarb classification

Exclusion Criteria where: patients with Systemic diseases affecting bone healing, active oral infection, smoking habits, or a need for bone augmentation procedures were excluded.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: Conventional Drilling Group
participants in this arm will undergo implant site preparation using the conventional drilling osteotomy technique according to standard clinical protocols before dental implant placement.
Device: Conventional drilling osteotomy
implant site preparation using sequential rotary drills according to standard protocol.
Experimental: Magnetic Mallet Group
participants in this arm will undergo implant site preparation using the magnetic mallet osteotomy technique, which prepares the implant site through controlled bone condensation prior to dental implant placement.
Device: Magnetic mallet osteotomy
Implant site preparation using controlled electromagnetic impulses for bone condensation.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
implant stability
Time Frame: immediately after implant placement and at 3 months postoperatively
Implant stability was assessed using Implant Stability Quotient (ISQ) values , ISQ > 70: High stability. ISQ 60-69: Moderate stability. ISQ < 60: Low stability.
immediately after implant placement and at 3 months postoperatively

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
postoperative pain
Time Frame: 7 days after surgery
Postoperative pain was assessed using a 10-point Visual Analog Scale (VAS), Visual Analog Scale (VAS), ranging from 0 (no pain) to 10 (worst possible pain).
7 days after surgery

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University of Mosul

Investigators

  • Principal Investigator: Alyaa I. Naser, BDS, MSc. Ph.D., assist. Prof., Department of OMFS, College of Dentistry, University of Mosul, Nineveh, Iraq
  • Study Chair: Zaid Adel Alshamaa, Specialized Dentist BDS MSc, . International trainer in laser dentistry, former lecturer in college of dentistry

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

November 1, 2025

Primary Completion (Estimated)

May 1, 2026

Study Completion (Estimated)

July 1, 2026

Study Registration Dates

First Submitted

February 14, 2026

First Submitted That Met QC Criteria

February 14, 2026

First Posted (Actual)

February 20, 2026

Study Record Updates

Last Update Posted (Actual)

February 27, 2026

Last Update Submitted That Met QC Criteria

February 24, 2026

Last Verified

February 1, 2026

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • UoM. dent. 26/1001

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

individual participant data (IPD) that underlie the results reported in this study, after de-identification, will be shared with other researchers upon reasonable request. The data will be available beginning after publication of the primary results and may be used for academic and research purposes only. Requests should be directed to the corresponding author, and access will be granted following approval and completion of a data use agreement.

IPD Sharing Time Frame

start date After publication of the primary study results, end date 5 years after publication

IPD Sharing Access Criteria

de-identified individual participant data and supporting documents, including the study protocol and statistical analysis plan, will be available to qualified researchers for academic and research purposes only. Access will be granted upon reasonable request to the corresponding author, following review and approval of the request and completion of a data use agreement

IPD Sharing Supporting Information Type

  • STUDY_PROTOCOL
  • SAP

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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