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Maitland Mobilization Versus Therapeutic Ultrasound on Trismus Following Third Molar Surgery

NCT07575100 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 60

Last updated 2026-05-12

No results posted yet for this study

Summary

This study aims to compare the effect of Maitland mobilization and therapeutic ultrasound on trismus (limited mouth opening) following third molar (wisdom tooth) surgery.

Participants who experience limited mouth opening after third molar surgery will receive one of two treatment methods: Maitland joint mobilization or therapeutic ultrasound. These treatments are commonly used in physical therapy to improve jaw movement and reduce stiffness.

The purpose of this study is to determine which treatment is more effective in improving mouth opening and reducing symptoms after surgery.

Participation is voluntary, and all collected information will be kept confidential and used only for research purposes.

Conditions

  • Postoperative Trismus

Interventions

PROCEDURE

Maitland Joint Mobilization

Maitland mobilization was applied to the temporomandibular joint using graded passive accessory and physiological joint mobilization techniques (Grade I-IV depending on patient tolerance). The technique was performed by a trained physical therapist to improve joint mobility and reduce trismus following third molar surgery. Treatment sessions were conducted three times per week for four weeks

DEVICE

Therapeutic Ultrasound group

using an ultrasound device , such as the Chattanooga Intelect Mobile 2, which operates at a 1 MHz frequency to target deep tissues like the temporomandibular joint (TMJ) and surrounding muscles. The therapy was conducted three times a week for four weeks, with each session lasting 10-15 minutes. A water-based conductive gel was applied to the skin to facilitate effective transmission of sound waves, and the intensity of the ultrasound was adjusted between 0.8 to 1.5 W/cm² based on patient tolerance. The transducer was moved in slow, circular motions over the TMJ and affected muscles, focusing on areas of pain or stiffness (Bhushan et al., 2025).

OTHER

Control group

the traditional physical therapy program (Standard Postoperative Care, Cold Compresses/Ice acks, NSAIDs);

Sponsors & Collaborators

  • Cairo University

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
20 Years
Max Age
30 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-10-10
Primary Completion
2026-02-20
Completion
2026-03-10

Countries

  • Egypt

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 NCT07575100 on ClinicalTrials.gov