Spatula wrapped in cotton wool and gauze dipped in borax with glycerin we explore the entire surface of the mucosa, ie, inner cheeks, palate, gums, tongue. You should not extend too deeply, so as not to trigger reflexes wymiotnych. All operations must be performed very gently so as not to cause damage to the mucosa. At the end of the patient is given again to flush the fluid of the mouth. Sticks and spatulas should be frequently changed and may not be used once again dip in borax with glycerin.