1. Bonding plastic orthodontic attachments to tooth enamel;Newman;N. J. State Dent. J.,1964
2. Direct bonding of plastic brackets;Miura;J. Clin. Orthod.,1972
3. Bonding;Silverman;J. Clin. Orthod.,1979
4. A materials evaluation of ten direct bonding systems utilizing polycarbonate brackets;Nagel,1973
5. Penetration coefficient, tensile strength, and bond strength of thirteen direct bonding orthodontic cements;Faust;Am. J. Orthod.,1978