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Quantitative methods for somatosensory evaluation in atypical odontalgia

Overview of attention for article published in Brazilian Oral Research, January 2015
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Quantitative methods for somatosensory evaluation in atypical odontalgia
Published in
Brazilian Oral Research, January 2015
DOI 10.1590/1807-3107bor-2015.vol29.0020
Pubmed ID

André Luís PORPORATTI, Yuri Martins COSTA, Juliana STUGINSKI-BARBOSA, Leonardo Rigoldi BONJARDIM, Paulo César Rodrigues CONTI, Peter SVENSSON


A systematic review was conducted to identify reliable somatosensory evaluation methods for atypical odontalgia (AO) patients. The computerized search included the main databases (MEDLINE, EMBASE, and Cochrane Library). The studies included used the following quantitative sensory testing (QST) methods: mechanical detection threshold (MDT), mechanical pain threshold (MPT) (pinprick), pressure pain threshold (PPT), dynamic mechanical allodynia with a cotton swab (DMA1) or a brush (DMA2), warm detection threshold (WDT), cold detection threshold (CDT), heat pain threshold (HPT), cold pain detection (CPT), and/or wind-up ratio (WUR). The publications meeting the inclusion criteria revealed that only mechanical allodynia tests (DMA1, DMA2, and WUR) were significantly higher and pain threshold tests to heat stimulation (HPT) were significantly lower in the affected side, compared with the contralateral side, in AO patients; however, for MDT, MPT, PPT, CDT, and WDT, the results were not significant. These data support the presence of central sensitization features, such as allodynia and temporal summation. In contrast, considerable inconsistencies between studies were found when AO patients were compared with healthy subjects. In clinical settings, the most reliable evaluation method for AO in patients with persistent idiopathic facial pain would be intraindividual assessments using HPT or mechanical allodynia tests.

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Geographical breakdown

Country Count As %
Spain 1 2%
Chile 1 2%
France 1 2%
Unknown 44 94%

Demographic breakdown

Readers by professional status Count As %
Student > Master 13 28%
Student > Bachelor 9 19%
Student > Postgraduate 5 11%
Professor 3 6%
Student > Doctoral Student 2 4%
Other 9 19%
Unknown 6 13%
Readers by discipline Count As %
Medicine and Dentistry 29 62%
Nursing and Health Professions 3 6%
Agricultural and Biological Sciences 2 4%
Social Sciences 1 2%
Arts and Humanities 1 2%
Other 2 4%
Unknown 9 19%