{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T17:26:31Z","timestamp":1787765191928,"version":"build-2784847793"},"reference-count":25,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"4","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2023,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>The tongue coating is a grayish-white deposit that quickly reflects the state of health or disease of the human body. Quantitative light-induced fluorescence (QLF) is a novel digital imaging system that objectively quantifies tongue coating.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Aims:<\/jats:title>\n                    <jats:p>The present study aims to evaluate the correlation between the visual assessment of tongue coating and tongue coating by analysis of QLF-digital (QLF-D) images.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Settings and Design:<\/jats:title>\n                    <jats:p>\n                      This was an\n                      <jats:italic toggle=\"yes\">in vivo<\/jats:italic>\n                      explorative study.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods:<\/jats:title>\n                    <jats:p>\n                      Fifty children aged 11\u201313 years with clinically visible tongue coating were selected for the study. Tongue coating was assessed clinically by the Tongue Coating Index (Shimizu\n                      <jats:italic toggle=\"yes\">et al<\/jats:italic>\n                      ., 2007) and digitally by QLF-D Biluminator\u2122 2, C3 software.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Statistical Analysis:<\/jats:title>\n                    <jats:p>\n                      Data obtained were subjected to statistical analysis using SPSS 23.0 software. Spearman\u2019s rho correlation test was done, and\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; 0.05 was considered statistically significant.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>A statistically significant correlation was found between the visual assessment scoring and the QLF image analysis for the evaluation of tongue coating.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>The Digital QLF tongue imaging system was found to be reliable due to its correlation with the clinical score and objective nature.<\/jats:p>\n                  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