The oral clinical examination can be truly challenging, remember that children usually do not co-operate with us, they almost always behave aggressively when they are told to open their mouths but with the knowledge of some suitable techniques, it is certain that we can complete that important part of the physical examination. Many professional does not take into account how important is the oral examination in children, we do not only look for tooth decays, each structure mouth can provide us some sign of possible disease in children.Young children often need persuasions, distractions and we should not go into explanations in depth before making them cooperate with the oral examination. In some children it is much easier, they smile easily and are more cooperative, of course, that depends on how sick the parents bring them to the consultation.Next, we will mention the important structures that we are going to examine, for example in the lips we look for the appearance and symmetry, coloration, increase in volume, we also look for some injuries such as fissures, pigmented lesions, chapped lips, etc.When we enter the oral mucosa then we look for moisture, coloration and check if there is an injury, we have to check the saliva production as well, we also look for erythematous, petechial, ulcerative lesions, if we can define the lesions, and it can guide us in the diagnosis of many of the diseases.The tongue is one of the most important structures, we check if the tongue is in its position or is deviated, coloration, papillae and if there are involuntary tremors, hives, petechia, ulcerative or erythematous lesions.  The teeth and gums are also very important, check by age to make a count of the teeth and see if they have cavities and in the gums, we look for coloration, petechia ulcerative or erythematous lesions, and abscesses. On the soft and hard palate we look for some lesion too, it is very important to check the uvula and the tonsils, the infections are very frequent in these structures, in the case of the uvula they can compromise the life of the patient.It is very important to follow a sequence to be successful in the oral examination of the childs, the deeper structures should be examined at the end because it is possible that the crying and discomfort appear and interfere with the conclusion of the examination. It is very important that the person who is going to examine has in addition to knowledge of the technique, has to have a lot of patience, the method of distraction is very important, try to deviate their attention can be more effective in the exam, our temperature could be much colder than that of the baby, make sure that our hands and instruments that we are going to use have an adequate temperature, and we can prevent him from returning his attention or showing defensiveness, offering toys or objects can help with the distraction, condition an environment relaxed for the child and relatives, put music, the room must be set with objects that call the attention of the children. (1)It is very important to educate the children and much more to the parents that the consultation helps them to learn about themselves and how to take care of themselves correctly..