Fundamental to the choice and proper application of plating systems in osteosynthesis of the craniomaxillofacial skeleton is an understanding of the basic design and biomechanical characteristics that define them. Improper selection of systems and technical execution of rigid internal fixation is not uncommon and may result in hardware failure, dysfunction, and dysmorphology. The surgeon who is able to command the nuances of system design and discipline in application will achieve superior functional and aesthetic results that are predictable and reproducible.