Este book brings together many real cases in which damage has occurred, with a large number of photographs and drawings that make it possible to diagnose, by analogy with las of este book and quite easily, las injuries that may occur. It includes 30 indicative tables of pathology with 120 cases of damage, for a quick search for the problem, indicating t indicative item, the type of breakage, the severity, las m frequent causes, las precautionary measures and the chapter where it is studied.