Gierat-Kucharzewska Barbara, Karasiński Antoni
Department of Prosthetic Dentistry, Medical University of Silesia, 41-902 Bytom, Poland.
Biol Trace Elem Res. 2006 Summer;111(1-3):53-62. doi: 10.1385/BTER:111:1:53.
This prospective study comprised 140 natural crowns of the teeth extracted from 31 boys and 35 men, as well as 39 girls and 35 women. They were divided into two groups. Group I consisted of primary teeth and group II consisted of permanent teeth. In each group, two subgroups were distinguished: subgroup A containing teeth without caries and subgroup B comprising carietic teeth. Zinc, iron, copper, nickel, chromium, cobalt, lead, cadmium, selenium, and strontium were determined in the samples by using the total reflection X-ray fluorescence method. Significantly higher concentrations of zinc, iron, copper, nickel, selenium, and strontium were detected in the crowns of healthy primary and permanent teeth than in the crowns of the carietic primary and permanent teeth. The concentrations of chromium, cobalt, lead, and cadmium were significantly higher in primary and permanent teeth with caries than in the healthy ones. Judging from the obtained results, we think that lower concentrations of zinc, iron, copper, nickel, selenium, and strontium together with higher concentrations of chromium, cobalt, lead, and cadmium in the carietic primary and permanent teeth, in relation with the respective concentrations of those elements in healthy teeth, can be one of the caries risk factors.
这项前瞻性研究包括从31名男孩和35名男性以及39名女孩和35名女性中拔除的140颗天然牙冠。它们被分为两组。第一组由乳牙组成，第二组由恒牙组成。在每组中，又分为两个亚组：A亚组包含无龋牙，B亚组包含龋病牙。通过全反射X射线荧光法测定样品中的锌、铁、铜、镍、铬、钴、铅、镉、硒和锶。结果发现，健康乳牙和恒牙牙冠中的锌、铁、铜、镍、硒和锶浓度显著高于龋病乳牙和恒牙牙冠。龋病乳牙和恒牙中的铬、钴、铅和镉浓度显著高于健康牙齿。从所得结果来看，我们认为，龋病乳牙和恒牙中锌、铁、铜、镍、硒和锶浓度较低，而铬、钴、铅和镉浓度较高，与健康牙齿中这些元素的各自浓度相比，可能是龋病的风险因素之一。
