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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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Related Experiment Video

Updated: May 16, 2026

Assessment of Nerve Injury-Induced Mechanical Hypersensitivity in Rats Using an Orofacial Operant Pain Assay
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Published on: July 26, 2022

The trigeminal function questionnaire (TriFunQ): a tool for clinical and research use.

Wiktoria Jędryczka1,2, Susanne Weise1, Anabell Bormann1

  • 1Smell and Taste Clinic, Department of Otorhinolaryngology, University Hospital Carl Gustav Carus, TU Dresden, Dresden, Germany.

Chemical Senses
|May 14, 2026
PubMed
Summary

Researchers developed a new questionnaire to assess trigeminal function, measuring self-perceived comfort and sensitivity. This reliable and valid tool offers a brief method for evaluating trigeminal sensations in individuals.

Keywords:
olfactionsmelltrigeminal stimulationtrigeminal system

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In-Vivo Calcium Imaging of Sensory Neurons in the Rat Trigeminal Ganglion
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Area of Science:

  • Neuroscience
  • Sensory Science
  • Psychometrics

Background:

  • The trigeminal nerve plays a crucial role in facial sensation and comfort.
  • A need exists for a self-report measure to assess individuals' perception of trigeminal function.
  • Existing measures may not adequately capture the subjective experience of trigeminal sensations.

Purpose of the Study:

  • To develop and validate a self-reporting questionnaire for assessing trigeminal function.
  • To evaluate participants' self-perception of comfort and sensitivity related to trigeminal sensations.
  • To create a psychometrically sound tool for measuring trigeminal perception.

Main Methods:

  • A 15-item questionnaire was administered to 1001 participants (aged 18-86) in Dresden, Germany.
  • Validation included objective measures: nasal trigeminal stimuli (ammonium), eucalyptol lateralization, odor identification, and self-ratings of nasal airflow/olfactory function.
  • Factor analyses were used to refine the questionnaire structure, leading to an 8-item final version.

Main Results:

  • Exploratory factor analysis supported a one-factor solution for the 8-item questionnaire.
  • The final questionnaire demonstrated good reliability (Cronbach's α = 0.74) and satisfactory validity.
  • Invariance analysis indicated the need for gender-specific norms.

Conclusions:

  • The developed trigeminal function questionnaire is a brief, reliable, and valid instrument.
  • It effectively assesses the self-perception of trigeminal function.
  • The tool can be utilized in research and clinical settings, with consideration for gender differences.