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This study aimed to implement the scaled\u2013pixel\u2013counting protocol to quantify and compare the image structure of teeth and the density standard in order to improve the identification of the radiographic signs of tooth resorption and hypercementosis using the EOTRH syndrome model.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods and results<\/jats:title>\n                <jats:p>A detailed examination of the oral cavity was performed in 80 horses and maxillary incisor teeth were evaluated radiographically, including an assessment of the density standard. On each of the radiographs, pixel brightness (PB) was extracted for each of the ten steps of the density standard (S1\u2013S10). Then, each evaluated incisor tooth was assigned to one of 0\u20133 EOTRH grade\u2013related groups and annotated using region of interest (ROI). For each ROI, the number of pixels (NP) from each range was calculated. The linear relation between an original X\u2013ray beam attenuation and PB was confirmed for the density standard. The NP values increased with the number of steps of the density standard as well as with EOTRH degrees. Similar accuracy of the EOTRH grade differentiation was noted for data pairs EOTRH 0\u20133 and EOTRH 0\u20131, allowing for the differentiation of both late and early radiographic signs of EOTRH.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>The scaled\u2013pixel\u2013counting protocol based on the use of density standard has been successfully implemented for the differentiation of radiographic signs of EOTRH degrees.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12917-023-03675-4","type":"journal-article","created":{"date-parts":[[2023,8,9]],"date-time":"2023-08-09T13:02:45Z","timestamp":1691586165000},"update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["An application of the density standard and scaled\u2013pixel\u2013counting protocol to assess the radiodensity of equine incisor teeth affected by resorption and hypercementosis: preliminary advancement in dental radiography"],"prefix":"10.1186","volume":"19","author":[{"given":"Kamil","family":"G\u00f3rski","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marta","family":"Borowska","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bernard","family":"Turek","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marek","family":"Pawlikowski","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Krzysztof","family":"Jankowski","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrzej","family":"Bereznowski","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Izabela","family":"Polkowska","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ma\u0142gorzata","family":"Domino","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2023,8,9]]},"reference":[{"key":"3675_CR1","doi-asserted-by":"publisher","first-page":"165","DOI":"10.1016\/j.tvjl.2004.03.022","volume":"169","author":"PM Dixon","year":"2005","unstructured":"Dixon PM, Dacre I. 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All methods were performed in accordance with the national (the Polish decree\u2013law Dz. U. 2015 poz. 266) and international (the European Union (EU) law 2010\u201363\u2013EU directive) guidelines and regulations.The owners were informed of the inclusion of their horses in the study and provided written informed consent to the inclusion of their horses' data in the current study.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"116"}}