{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T13:18:19Z","timestamp":1760188699022,"version":"3.38.0"},"reference-count":41,"publisher":"American Veterinary Medical Association (AVMA)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["ajvr"],"published-print":{"date-parts":[[2002,4,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n\t\t\t\t<jats:p>\n\t\t\t\t\t<jats:bold>Objective<\/jats:bold>\u2014To determine elemental composition of\nteeth with and without odontoclastic resorption\nlesions (ORL) in cats.<\/jats:p>\n\t\t\t\t<jats:p>\n\t\t\t\t\t<jats:bold>Sample Population<\/jats:bold>\u2014Normal teeth from 22 cadaver\ncats and ORL-affected teeth from 21 cats admitted to\nthe veterinary hospital for dental treatment.<\/jats:p>\n\t\t\t\t<jats:p>\n\t\t\t\t\t<jats:bold>Procedure<\/jats:bold>\u2014An electron microprobe was used to\nanalyze weight percentages of calcium, phosphorus,\nfluorine, sodium, magnesium, sulfur, potassium, and\niron in enamel, dentin, and cementum.<\/jats:p>\n\t\t\t\t<jats:p>\n\t\t\t\t\t<jats:bold>Results<\/jats:bold>\u2014Calcium and phosphorus were the most\nabundant elements. Fluorine, sodium, and magnesium\ncombined were &lt; 5% and sulfur, potassium,\nand iron combined were &lt; 0.1% of total elemental\ncomposition. In enamel of normal teeth, a significant\nsex-by-jaw location interaction was seen in mean\n(\u00b1 SD) phosphorus content, which was higher in\nmandibular teeth of females (17.64 \u00b1 0.41%) but\nlower in mandibular teeth of males (16.71 \u00b1 0.83%).\nMean iron content in dentin of normal teeth was significantly\nlower in mandibular teeth than maxillary\nteeth (0.014 \u00b1 0.005% vs 0.023 \u00b1 0.019%). Mean\nenamel sodium content was significantly higher\n(0.77 \u00b1 0.046% vs 0.74 \u00b1 0.025) and mean enamel\niron content was significantly lower (0.017 \u00b1 0.008%\nvs 0.021 \u00b1 0.005%) in ORL-affected teeth, compared\nwith normal teeth. In cementum, mean fluorine content\nwas significantly lower (2.98% \u00b1 0.27 vs 2.99 \u00b1\n0.20%) and mean magnesium content was significantly\nlower (0.54 \u00b1 0.13% vs 0.60 \u00b1 0.13%) in ORLaffected\nteeth, compared with normal teeth.<\/jats:p>\n\t\t\t\t<jats:p>\n\t\t\t\t\t<jats:bold>Conclusions and Clinical Relevance<\/jats:bold>\u2014Results of our\nstudy establish baseline mineral content of enamel,\ndentin, and cementum for normal teeth in cats.\nMinimal differences in mineral content of enamel and\ncementum of normal and ORL-affected teeth were\ndetected. 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