Tongue and Occlusal Pressure Performance and Dietary Habits in Maxillectomy Patients With Obturator Prostheses

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Conditions studied: Maxillary Obturators, Maxillary Defect Reconstruction, Dietary Behavior

In brief

This study investigates mouth cancer patients who use a special plate called an obturator to help them swallow. Tongue strength and biting force will be measured and compared to daily dietary intake. Results will provide a better understanding of how to improve eating ability and overall quality of life.

Key facts

Study ID

NCT07390942

Run by

National Taiwan University Hospital

People needed

40

Starts

2026-04-01

Expected to finish

2026-12-31

Last updated by the study team

2026-02-05

Who can join

Age: 18 and older, up to 85. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Primary treatment must include maxillectomy, with or without adjuvant chemotherapy or radiotherapy.
• Age range: 18 to 85 years old (all genders).
• Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1.
• Ability to provide written informed consent.

You may not qualify if…

• Inability to understand the investigator's instructions (or indications).
• Inability to hold the tongue pressure probe and occlusal pressure Prescale film in the proper position.
• Inability to apply pressure to the tongue pressure probe and occlusal pressure Prescale film.
• Dysphagia (difficulty swallowing) resulting from prior head and neck cancer treatment.
• Severe dysphagia caused by a central nervous system disorder.
• Presence of temporomandibular joint (TMJ) pain.
• The investigator determines the patient is unsuitable for the study.

Where it is running

• Department of Dentistry of National Taiwan University Hospital — Taipei, Taiwan

Full record on ClinicalTrials.gov

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