{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,11]],"date-time":"2026-01-11T02:01:44Z","timestamp":1768096904987,"version":"3.49.0"},"reference-count":20,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2006,7,1]],"date-time":"2006-07-01T00:00:00Z","timestamp":1151712000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Periodontology"],"published-print":{"date-parts":[[2006,7]]},"abstract":"<jats:p><jats:bold>Background:<\/jats:bold> Volatile sulfur compounds (VSCs) in oral air are the only type of gases correlated with the strength of oral malodor. We developed a compact and simple gas chromatograph (GC) equipped with a newly invented indium oxide semiconductor gas sensor (SCS) for measuring the concentrations of VSCs in mouth air. We have assessed the correlation between measurements with a GC\u2010SCS and those with a regular GC.<\/jats:p><jats:p><jats:bold>Methods:<\/jats:bold> Oral air samples from randomly selected volunteers were analyzed with both a GC\u2010SCS and a GC with a flame photometric detector (FPD), which is specific to VSCs, and GC\u2010SCS measurements were compared to those obtained by GC\u2010FPD. Subsequently, oral air samples before and after mouthrinsing with 5% ethanol mouthwash were analyzed to determine the effect of ethanol on VSC measurements by GC\u2010SCS.<\/jats:p><jats:p><jats:bold>Results:<\/jats:bold> There were strong correlations between VSC concentrations determined using these two gas chromatography methods (hydrogen sulfide, R = 0.821, <jats:italic>P<\/jats:italic> &lt;0.0001; methyl mercaptan, R = 0.870, <jats:italic>P<\/jats:italic> &lt;0.0001; and dimethyl sulfide, R = 0.770, <jats:italic>P<\/jats:italic> &lt;0.0001). Although GC\u2010SCS can differentiate ethanol and VSCs in oral air samples after mouthrinsing, GC\u2010SCS measurements demonstrated higher values than those obtained by GC\u2010FPD; however, this discrepancy improved over time due to the reduced effect of ethanol.<\/jats:p><jats:p><jats:bold>Conclusion:<\/jats:bold> The results suggest that GC\u2010SCS may be useful for the diagnosis of halitosis.<\/jats:p>","DOI":"10.1902\/jop.2006.050388","type":"journal-article","created":{"date-parts":[[2006,6,28]],"date-time":"2006-06-28T14:21:49Z","timestamp":1151504509000},"page":"1142-1147","source":"Crossref","is-referenced-by-count":67,"title":["Development of a Compact and Simple Gas Chromatography for Oral Malodor Measurement"],"prefix":"10.1002","volume":"77","author":[{"given":"Takatoshi","family":"Murata","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anton","family":"Rahardjo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuki","family":"Fujiyama","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takayuki","family":"Yamaga","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mariko","family":"Hanada","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ken","family":"Yaegaki","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hideo","family":"Miyazaki","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2006,7]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0378-4347(99)00127-9"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.1996.67.4.396"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1067\/moe.2001.112543"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/0003-9969(71)90062-8"},{"key":"e_1_2_8_6_1","first-page":"257","article-title":"Examination, classification, and treatment of halitosis; clinical perspectives","volume":"66","author":"Yaegaki K","year":"2000","journal-title":"J Can Dent Assoc"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1177\/154405910408300116"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0722.1997.tb00242.x"},{"key":"e_1_2_8_9_1","first-page":"137","article-title":"Breath malodor","volume":"4","author":"van Steenberghe D","year":"1997","journal-title":"Curr Opin Periodontol"},{"key":"e_1_2_8_10_1","first-page":"140","volume-title":"J Dent Res","author":"Furne J","year":"2002"},{"key":"e_1_2_8_11_1","first-page":"225","volume-title":"Bad Breath Research Perspectives","author":"Yaegaki K","year":"1997"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1177\/154405910408300409"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0003-2670(02)01038-3"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1002\/j.1875-595X.2002.tb00921.x"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.3109\/00016359709115416"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0765.1992.tb01673.x"},{"key":"e_1_2_8_17_1","first-page":"13","volume-title":"Clinical Guidelines for Halitosis","author":"Yaegaki K","year":"2000"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0765.1992.tb01736.x"},{"key":"e_1_2_8_19_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0765.1992.tb01820.x"},{"key":"e_1_2_8_20_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0765.1996.tb00499.x"},{"key":"e_1_2_8_21_1","doi-asserted-by":"publisher","DOI":"10.1177\/00220345960750121201"}],"container-title":["Journal of Periodontology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/aap.onlinelibrary.wiley.com\/doi\/pdf\/10.1902\/jop.2006.050388","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,19]],"date-time":"2025-10-19T10:20:47Z","timestamp":1760869247000},"score":1,"resource":{"primary":{"URL":"https:\/\/aap.onlinelibrary.wiley.com\/doi\/10.1902\/jop.2006.050388"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2006,7]]},"references-count":20,"journal-issue":{"issue":"7","published-print":{"date-parts":[[2006,7]]}},"alternative-id":["10.1902\/jop.2006.050388"],"URL":"https:\/\/doi.org\/10.1902\/jop.2006.050388","archive":["Portico"],"relation":{},"ISSN":["0022-3492","1943-3670"],"issn-type":[{"value":"0022-3492","type":"print"},{"value":"1943-3670","type":"electronic"}],"subject":[],"published":{"date-parts":[[2006,7]]}}}