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Orellana MF, Lagravère MO, Boychuk DG, Major PW, Flores-Mir C.Orellana MF, et al.J Public Health Dent. 2006 Spring;66(2):152-8. doi: 10.1111/j.1752-7325.2006.tb02572.x.J Public Health Dent. 2006.PMID: 16711637Review.