A) Schematic representation of adhesion (attractive forces between adherent tissues and adhesive material) and cohesion (intermolecular strength of the material) forces, and B) Various mechanisms of bonding [22, 23]. Adapted with permission from ref. [22, 23], Copyright from 2004, The John Wiley & Sons, Inc.; Adapted with permission from ref. [22, 23], Copyright from 2002, The Kluwer Academic Publishers.