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KMID : 0355220130380040367
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Journal of Korean Academy Oral Medicine
2013 Volume.38 No. 4 p.367 ~ p.372
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Comparison of absolute and relative thermal QST thresholds In the orofacial region of the young Korean women
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Kim Ki-Suk
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Abstract
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To diagnose sensory nerve damage, patient values for thermal stimuli as quantitative sensory test (QST) can be compared with the values of the general population (absolute reference data) or to values measured at contralateral unaffected side (relative reference data). It is well know that relative reference data are more sensitive for detecting sensory abnormality than absolute reference data. However it is still lack of the studies for comparisons between relative and absolute data. This study aimed to evaluate the validity of relative reference data and compare the sensitivities of the two approaches in the orofacial region. In 19 young Korean women as normal subjects, quantitative somatosensory thermotest were done in the forehead, cheek, mentum, lower lip and tongue tip bilaterally. After we get the standard deviations (SD) of average reference data and relative reference data, the ratios SD absolute data/SD relative data were calculated. Our study showed that relative reference data for side to side comparisons in the same patient have the high ratios than the absolute reference data, i.e. the side to side comparisons with relative reference data exhibit gain in sensitivity in assessment of sensory abnormality.
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KEYWORD
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facial, oral, quantitative sensory tes, , QST, relative and absolute, thermal threshold
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