{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T20:13:54Z","timestamp":1790712834755,"version":"4.1.0"},"reference-count":48,"publisher":"IOP Publishing","issue":"1","license":[{"start":{"date-parts":[[2024,11,15]],"date-time":"2024-11-15T00:00:00Z","timestamp":1731628800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2024,11,15]],"date-time":"2024-11-15T00:00:00Z","timestamp":1731628800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/info\/page\/text-and-data-mining"}],"content-domain":{"domain":["iopscience.iop.org"],"crossmark-restriction":false},"short-container-title":["J. Breath Res."],"published-print":{"date-parts":[[2025,1,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>To investigate the halitosis level in oral lichen planus (OLP) patients and OLP-free participants. This cross-sectional study recruited 70 participants at the New Zealand\u2019s National Centre for Dentistry. Halitosis was determined using the objective measurements (parts per billion (ppb) volatile sulphur compounds (VSCs) in the exhaled air) and subjective measurement (self-reported halitosis questionnaire). The VSCs values of OLP participants (mean \u00b1 SD: 144.64 \u00b1 23.85 ppb) were significantly greater than that in the OLP-free participants (105.52 \u00b1 22.31ppb) (mean difference: 39.12 ppb; <jats:italic>p<\/jats:italic> &lt; 0.05; 95% CI: 27.95, 50.29). The VSCs value of hyperplastic (mean difference: 34.11; 95% CI: 20.07, 48.15; <jats:italic>p<\/jats:italic> &lt; 0.05) and erosive\/ulcerative (mean difference: 57.47; 95% CI: 34.19, 80.76; <jats:italic>p<\/jats:italic> &lt; 0.05) OLP participants were statistically greater than that of OLP-free participants. No statistical significance was found between hyperplastic and erosive\/ulcerative OLP (<jats:italic>p<\/jats:italic> &gt; 0.05). \u2018Type (OLP-free\/OLP)\u2019 has a significant effect on the dependent variable VSCs. 78.6% of OLP and 90.5% of OLP-free brushed their teeth at least twice daily, with a statistically significant observation (Mean square: 1.61; F: 13.13; <jats:italic>p<\/jats:italic> &lt; 0.05). The levels of VSCs were greater in participants with hyperplastic and erosive\/ulcerative OLP than that in the OLP-free participants.<\/jats:p>","DOI":"10.1088\/1752-7163\/ad8ee7","type":"journal-article","created":{"date-parts":[[2024,11,5]],"date-time":"2024-11-05T22:50:24Z","timestamp":1730847024000},"page":"016007","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":1,"title":["Halitosis in oral lichen planus patients"],"prefix":"10.1088","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7265-9865","authenticated-orcid":true,"given":"Guangzhao","family":"Guan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vicky","family":"Tjhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sally","family":"Sun","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ajith","family":"Polonowita","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7856-8091","authenticated-orcid":true,"given":"Li","family":"Mei","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"266","published-online":{"date-parts":[[2024,11,15]]},"reference":[{"key":"jbrad8ee7bib1","doi-asserted-by":"publisher","first-page":"50","DOI":"10.32481\/djph.2023.04.011","article-title":"The mouth is the mirror to the body oral-system health","volume":"9","author":"Kulkarni","year":"2023","journal-title":"Dela J. 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Published by IOP Publishing Ltd","name":"copyright_information","label":"Copyright Information"},{"value":"2024-04-18","name":"date_received","label":"Date Received","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2024-11-05","name":"date_accepted","label":"Date Accepted","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2024-11-15","name":"date_epub","label":"Online publication date","group":{"name":"publication_dates","label":"Publication dates"}}]}}