1. Bonding/the state of the art. A national survey;Gorelick;J Clin Orthod,1979
2. An evaluation of the bond strength and failure site of two orthodontic direct-bonding systems;Hyde,1979
3. Dentists drill for a bigger bite of profit;Tutelain;USA Today,1986
4. Adult orthodontics-diagnosis and treatment;Vanarsdall,1985
5. Direct-bonding to porcelain: an in vitro study;Ghassemi-Tary;Am J Orthod,1979