Adhesive techniques are now used for many dental restorative materials, inc
luding amalgam. Several generations of dentine bonding agents have been dev
eloped, mainly for bonding composite resins. When bonding is used with amal
gam restorations, the need for retention and resistance form is reduced, th
e seal is improved, and some procedures, such as amalgam sealants, which we
re not previously possible, can be considered.