CHEMICAL AGENTS AND THE IMPORTANCE OF THE DENTAL ARCH SYMMETRY IN THE OCLUZAL BALANCE
Orthodontics is a scientific art aiming to achieve the individual aesthetic optimum and functional development and dento-maxilo-facial, with the help of an assembly of biological and mechanical means (Chateau, 1975).Symmetry is indisputably of numerical order and it is essential in relation to a central axis in the transverse direction, but in our