[1] UNESP Araraquara, Inst Quim, Ctr Multidisciplinar Desenvolvimento Mat Ceram, BR-14801970 Sao Paulo, Brazil
[2] Univ Fed Itajuba, Univ Fed Itajuba, Inst Ciencias Exatas, BR-3750903 Itajuba, MG, Brazil
[3] Univ Estadual Paulista, Fac Odontol Araraquara, Dept Dent Restauradora, BR-14801903 Sao Paulo, Brazil