{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T19:33:34Z","timestamp":1785440014992,"version":"3.56.0"},"reference-count":41,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2024,8,29]],"date-time":"2024-08-29T00:00:00Z","timestamp":1724889600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Oral Rehabilitation"],"published-print":{"date-parts":[[2024,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>Tactile acuity is a somatosensory measure of the extent to which humans can discern tactile stimuli. It is influenced by how peripheral signals are processed centrally. In the oral cavity, Occlusal Tactile Acuity (OTA) is the ability to perceive minimal thicknesses between antagonist teeth. The aim of the current study was to assess the association between psychological traits and OTA of otherwise healthy individuals.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Sixty\u2010three volunteers (32 males; mean age\u2009\u00b1\u2009SD: 24.6\u2009\u00b1\u20092.7\u2009years) participated in this study. Somatosensory amplification, anxiety, depression, physical symptoms and pain catastrophizing were scored using questionnaires, and subgroups of severity were created per variable based on cut\u2010offs. OTA was measured using 9 aluminium foils with thickness (ranging from 8 to 72\u2009\u03bcm) and one sham test (without foil). Each thickness was tested 10 times in random order, the participants were instructed to report whether they felt the foil between their molars and the mean percentage of correct answers was computed. A linear mixed model was used with OTA as a dependent variable and psychological domain as an independent variable.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Significantly different OTA was observed among the anxiety subgroups (<jats:italic>p<\/jats:italic>\u2009=\u2009.003), supporting a decreased perception of thicknesses 24 and 32\u2009\u03bcm (<jats:italic>p<\/jats:italic>\u2009=\u2009.018 and <jats:italic>p<\/jats:italic>\u2009&lt;\u2009.001, respectively) in participants with moderate\/severe anxiety compared to those with no\/mild anxiety. Significantly different OTA was also observed among the pain catastrophizing subgroups (<jats:italic>p<\/jats:italic>\u2009=\u2009.008), showing decreased perception of thicknesses 32 and 40\u2009\u03bcm (<jats:italic>p<\/jats:italic>\u2009&lt;\u2009.001 and <jats:italic>p<\/jats:italic>\u2009=\u2009.007, respectively) in severe catastrophizing levels, compared to no\/mild catastrophizing levels. No significant differences were observed for the other variables.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Healthy adults with increased anxiety or pain catastrophizing levels show decreased interdental acuity as compared to participants with minor or no psychological impairment.<\/jats:p><\/jats:sec>","DOI":"10.1111\/joor.13828","type":"journal-article","created":{"date-parts":[[2024,8,30]],"date-time":"2024-08-30T02:20:05Z","timestamp":1724984405000},"page":"2452-2459","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Association between psychological traits and occlusal tactile acuity of healthy individuals"],"prefix":"10.1111","volume":"51","author":[{"given":"Gabriella","family":"Coppola","sequence":"first","affiliation":[{"name":"Department of Neurosciences, Reproductive Sciences and Oral Sciences, Section of Orthodontics and Temporomandibular Disorders University of Naples 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