A total of 110 composite restorations were placed in 75 participants , with one of four restorative procedures : ( a ) bonded with a total-etch adhesive ( Single Bond 2 ) ; ( b ) lined with glass-ionomer cement ( Fuji Lining LC ) , and then bonded with total-etch adhesive ; ( c ) bonded with a self-etching adhesive ( Clearfil SE Bond ) ; and ( d ) lined with glass-ionomer cement , and then bonded with self-etching adhesive .