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Clinical bitterness masking test for phantogeusia.
T Ishimaru1, S Hatanaka, T Miwa
1Department of Otorhinolaryngology, School of Medicine, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-8641, Japan. ishimar@orl.m.kanazawa-u.ac.jp
Chemical Senses
|December 22, 2000
Summary
A new diagnostic test uses a bitterness masking substance, Benecoat BMI-60, to help identify the cause of phantom bitter tastes. This test distinguishes between saliva-based bitterness and nerve or brain-related causes.
Area of Science:
- Otorhinolaryngology
- Neurology
- Sensory Science
Background:
- Phantom bitter taste, or taste disturbance, is a common yet poorly understood complaint.
- Identifying the origin of this sensation is crucial for effective diagnosis and treatment.
- Current diagnostic methods for taste disorders lack specificity.
Purpose of the Study:
- To evaluate a novel diagnostic test utilizing a bitterness masking substance for phantom bitter taste.
- To differentiate the origin of bitter taste sensations (salivary vs. neural/central).
Main Methods:
- A bitterness masking substance, Benecoat BMI-60 (BMI-60), specific to taste cell receptors was employed.
- Patients gargled with BMI-60 solutions to assess its masking effect on phantom bitterness.
- The masking effect was correlated with the presumed origin of the bitter sensation.
Main Results:
- Benecoat BMI-60 successfully masked bitterness in patients where the cause was attributed to substances in saliva.
- The masking substance did not alleviate bitterness when the sensation originated from the peripheral nerve or brain.
- This differential masking effect allowed for localization of the bitter taste's origin.
Conclusions:
- The bitterness masking test using BMI-60 is a valuable tool for diagnosing the cause of phantom bitter taste.
- This method aids in distinguishing between peripheral and central origins of taste disturbances.
- The test offers a practical approach to understanding taste dysfunctions.