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Related Concept Videos

Assessment of the Mouth01:26

Assessment of the Mouth

A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
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Airway management is a key skill in emergency and critical care settings, as maintaining a clear airway is essential for adequate oxygenation and ventilation.Head Tilt-Chin Lift TechniqueThe head tilt-chin lift maneuver is an essential technique primarily used in patients without suspected cervical spine injuries. To perform this maneuver, one hand is placed on the patient’s forehead, and gentle pressure is applied backward to tilt the head. The fingertips of the other hand are positioned under...

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Related Experiment Video

Updated: May 11, 2026

Feeding Experimentation Device FED: Construction and Validation of an Open-source Device for Measuring Food Intake in Rodents
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Developing and Validating an Intelligent Mouth-Opening Training Device: A New Solution for Restricted Mouth Opening.

Hao Wu1,2, Zilin Wang3, Jing Han2,4,5,6,7,8

  • 1School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.

Sensors (Basel, Switzerland)
|March 28, 2024
PubMed
Summary

An intelligent mouth-opening training device (IMOTD) was developed to improve rehabilitation after head and neck cancer treatment. This device quantifies exercises, offers remote guidance, and enhances patient compliance for better trismus management.

Keywords:
mouth-opening exercisequantification of exercisesremote guidancethe intelligent mouth-opening training devicetrismus

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Area of Science:

  • Biomedical Engineering
  • Rehabilitation Medicine
  • Oncology

Background:

  • Trismus, or restricted mouth opening, is a common complication of head and neck cancer treatment.
  • Conventional exercise methods lack quantification, guided training, and continuity, potentially leading to temporomandibular joint injuries and reduced effectiveness.
  • There is a need for improved, quantifiable, and guided rehabilitation tools for post-treatment trismus management.

Purpose of the Study:

  • To design and evaluate an intelligent mouth-opening training device (IMOTD) for trismus rehabilitation.
  • To address the limitations of traditional mouth-opening exercises by incorporating quantification and remote guidance.
  • To ensure the safety and effectiveness of the IMOTD through rigorous testing and analysis.

Main Methods:

  • Development of an intelligent mouth-opening training device (IMOTD) with an interactive remote guidance mode.
  • Piezoelectric sensor calibration to verify training data accuracy.
  • Mechanical analysis and finite element analysis to ensure structural safety.
  • Preclinical experiments comparing IMOTD with conventional training methods.

Main Results:

  • The IMOTD successfully quantifies and visualizes mouth-opening training indicators.
  • Mechanical and finite element analyses confirmed the device's structural safety.
  • Preclinical experiments demonstrated the IMOTD's effectiveness in rehabilitation compared to traditional methods.
  • The device ensures comfort and safety during training, with enhanced patient compliance due to remote supervision.

Conclusions:

  • The developed IMOTD is an effective tool for trismus rehabilitation following head and neck cancer treatment.
  • The device's intelligent features, including quantification and remote guidance, improve training outcomes and patient compliance.
  • IMOTD offers a safer, more effective, and user-friendly alternative to conventional mouth-opening exercises.