title: Leached components from dental composites and their effects on fertility of female mice.
abstract: This study investigated the effects of leached components from a resin-based dental composite (Z-100) and bisphenol A (BPA) on female mouse fertility. Leached components or BPA (5, 25 and 100 microg kg(-1)) were administered intragastrically daily to the test and distilled water to the control groups for 28 d. Female mice were then mated with sexually mature untreated males and their fertility was assessed. The results revealed a significant reduction in the number of pregnancies--54.5% vs. 100% (control)--in mice treated with the leached components from the dental composite, which also showed an increase of 142% in relative ovary weights. Exposure to 25 and 100 microg kg(-1) BPA resulted in significant increases in the total number of resorptions out of the total number of implantations and significant increases in relative uterine weights. Relative ovarian weights were significantly increased at the highest dose. High performance liquid chromatography analysis showed that tri-(ethylene glycol)-dimethacrylate (TEG-DMA) was the major leached component (total: 5945 microg ml(-1)) from the composite, followed by bisphenol A glycerolate dimethacrylate (BIS-GMA) (total: 2097 microg ml(-1)) and BPA (total: 78 microg ml(-1)). The results suggest that leached components from the dental composite used and commercially purchased BPA have adverse effects on the fertility and reproductive system of female mice.
authors.affiliation: Department of Restorative Dentistry, Faculty of Dentistry, Jordan University of Science and Technology, Irbid, Jordan. hiyasat@just.edu.jo
authors.forename: Ahmad S
authors.initials: AS
authors.lastname: Al-Hiyasat
authors.forename: Homa
authors.initials: H
authors.lastname: Darmani
authors.forename: Ahmed M
authors.initials: AM
authors.lastname: Elbetieha
mesh_terms: D000818:Animals; D001559:Benzhydryl Compounds; D017438:Bisphenol A-Glycidyl Methacrylate / Q000633:toxicity; D002851:Chromatography, High Pressure Liquid; D003188:Composite Resins / Q000737:chemistry / Q000633:toxicity*; D004968:Estrogens, Non-Steroidal / Q000633:toxicity*; D005260:Female; D005298:Fertility / Q000187:drug effects*; D051379:Mice; D009929:Organ Size / Q000187:drug effects; D010053:Ovary / Q000187:drug effects; D010636:Phenols / Q000633:toxicity*; D011092:Polyethylene Glycols / Q000633:toxicity; D011109:Polymethacrylic Acids / Q000633:toxicity; D012822:Silicon Dioxide / Q000737:chemistry / Q000633:toxicity; D015040:Zirconium / Q000737:chemistry / Q000633:toxicity; D000098826:Bisphenol A Compounds
chemical_list: D001559:Benzhydryl Compounds; D017438:Bisphenol A-Glycidyl Methacrylate; D003188:Composite Resins; D004968:Estrogens, Non-Steroidal; D010636:Phenols; D011092:Polyethylene Glycols; D011109:Polymethacrylic Acids; D012822:Silicon Dioxide; D015040:Zirconium; C083568:Z100 composite resin; C020946:triethylene glycol dimethacrylate; C006780:bisphenol A; D000098826:Bisphenol A Compounds