New ultrasonic tool may ease pain and swelling after wisdom tooth removal
NCT ID NCT07196904
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether using an ultrasonic surgical device (piezosurgery) instead of standard rotary tools reduces pain, swelling, and jaw stiffness after removing impacted wisdom teeth. Twenty-two healthy adults each had one tooth removed with the ultrasonic device and the other with standard tools. The researchers measured pain, swelling, and a saliva marker of inflammation. The goal was to see if the ultrasonic method leads to a smoother recovery.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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22 people
The number who actually took part.
- Started
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Sep 2024
- Finished
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Aug 2025
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 35 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Healthy patients (ASA Physical Status index ≤ 2), aged 18-35 years. * Patients presenting with bilateral impacted mandibular third molars of comparable difficulty, with the angulation difference between the two teeth not exceeding 15 degrees, as assessed according to the Pell and Gregory classification on panoramic radiographs. * Patients who agree to participate in the study after being fully informed about the objectives and requirements. Exclusion Criteria: * Patients with acute systemic or oral infection at the surgical sites. * Patients with clinical evidence of tumors or cystic lesions, or radiolucent lesions larger than 3 mm on radiographs at the mandibular third molar site. * Patients with a history of antibiotic or anti-inflammatory drug use within 3 weeks prior to study participation. * Patients with psychiatric disorders, motor dysfunction, or trauma in the maxillofacial region. * Patients with systemic diseases or medication use that reduces salivary secretion, such as Sjögren's syndrome or prior head and neck radiotherapy. * Pregnant or breastfeeding women.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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University of Medicine and Pharmacy at Ho Chi Minh City, Faculty of Dentistry
Ho Chi Minh City, 700000, Vietnam
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