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Article

Cadmium Exposure Disrupts Periodontal Bone in Experimental Animals: Implications for Periodontal Disease in Humans

1
College of Dental Medicine, Midwestern University, Illinois, 555 W. 31st St., Science Hall, 211-J, Downers Grove, IL 60515, USA
2
Department of Pharmacology, Midwestern University, Downers Grove, IL 60515, USA
*
Author to whom correspondence should be addressed.
Toxics 2018, 6(2), 32; https://doi.org/10.3390/toxics6020032
Received: 26 April 2018 / Revised: 11 June 2018 / Accepted: 11 June 2018 / Published: 13 June 2018
(This article belongs to the Special Issue Cadmium Sources and Toxicity)
Cadmium (Cd) is an environmental contaminant that damages the kidney, the liver, and bones. Some epidemiological studies showed associations between Cd exposure and periodontal disease. The purpose of this study was to examine the relationship between Cd exposure and periodontal disease in experimental animals. Male Sprague/Dawley rats were given daily subcutaneous injections of Cd (0.6 mg/kg/day) for up to 12 weeks. The animals were euthanized, and their mandibles and maxillae were evaluated for levels of periodontal bone by measuring the distance from the cementoenamel junction (CEJ) to the alveolar bone crest (ABC) of the molar roots. After 12 weeks of Cd exposure in animals, there was a significantly greater distance between the CEJ and ABC in the palatal aspect of the maxillary molars and the lingual aspect of the mandibular molars when compared with controls (p < 0.0001). This study shows that Cd has significant, time-dependent effects on periodontal bone in an animal model of Cd exposure. These findings support the possibility of Cd being a contributing factor to the development of periodontal disease in humans. View Full-Text
Keywords: cadmium; periodontal disease; periodontitis; alveolar bone; osteotoxicity; one health cadmium; periodontal disease; periodontitis; alveolar bone; osteotoxicity; one health
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MDPI and ACS Style

Browar, A.W.; Koufos, E.B.; Wei, Y.; Leavitt, L.L.; Prozialeck, W.C.; Edwards, J.R. Cadmium Exposure Disrupts Periodontal Bone in Experimental Animals: Implications for Periodontal Disease in Humans. Toxics 2018, 6, 32. https://doi.org/10.3390/toxics6020032

AMA Style

Browar AW, Koufos EB, Wei Y, Leavitt LL, Prozialeck WC, Edwards JR. Cadmium Exposure Disrupts Periodontal Bone in Experimental Animals: Implications for Periodontal Disease in Humans. Toxics. 2018; 6(2):32. https://doi.org/10.3390/toxics6020032

Chicago/Turabian Style

Browar, Andrew W., Emily B. Koufos, Yifan Wei, Landon L. Leavitt, Walter C. Prozialeck, and Joshua R. Edwards. 2018. "Cadmium Exposure Disrupts Periodontal Bone in Experimental Animals: Implications for Periodontal Disease in Humans" Toxics 6, no. 2: 32. https://doi.org/10.3390/toxics6020032

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