ABSTRACT
Dental blocks are typically performed while the animal is anesthetized. Several branches of the infraorbital nerve supply sensory innervation to the upper dental arcade. The caudal maxillary alveolar nerve branches off the infraorbital nerve just as it enters the maxillary foramen and supplies the caudal maxillary teeth. Within the infraorbital canal the middle maxillary alveolar nerve branches to supply the middle maxillary teeth. The rostral maxillary alveolar nerve branches off the infraorbital nerve just prior to its exit from the infraorbital canal. This branch supplies innervation to the upper canine teeth and incisors. The mandibular nerve is a branch of the trigeminal nerve and provides sensory innervation to the mandibular teeth. The nerve enters the mandibular foramen on the medial aspect of the mandible just rostral to the angle of the mandible. The foramen is easily palpated from inside the mouth just caudal to the last molar.
