Local Anesthesia Dental Anatomy Exam with verified ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
detailed solutions ||\\//||
• The ------- and ------- divisions of the trigeminal nerve carry general sensation from the
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
teeth, gingiva and supporting tissues (bone and periodontal ligaments) of the dental arches
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
maxillary (V2) and mandibular (V3) ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
•----- supplies the maxillary arch
||\\//|| ||\\//|| ||\\//|| ||\\//||
V2
• ------ supplies the mandibular arch
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
V3
BRANCHES OF V2 ||\\//|| ||\\//||
Nasopalatine Nerve ||\\//||
Palatine nerves ||\\//||
– Travels along the nasal septum
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
– Passes through the incisive(nasopalatine) canal to carry sensation from the:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
• Palatine mucosa and lingual gingiva of the anterior teeth
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Nasopalatine Nerve ||\\//||
Palatine nerves: ||\\//||
– Greater and lesser palatine nerves
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Palatine nerve– Greater and lesser palatine nerves:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
• Travel through the greater and lesser palatine foramina to carry sensation from:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
• Mucosa of the hard and soft palate
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
• The greater palatine also carries sensation from lingual gingiva of the posterior maxillary
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
teeth
• Travels through the maxilla
||\\//|| ||\\//|| ||\\//|| ||\\//||
, • Continues through the infraorbital foramen onto the face:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
– Sensory branches from midface region:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
• Upper lip, cheek, lateral nose, lower eyelid
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
INFRAORBITAL NERVE-V2 ||\\//||
• Branch off from the infraorbital nerve inside the maxilla, travel along the walls of the
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
maxillary sinus to the alveolar bone and roots of the maxillary teeth
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
• Carry sensation from maxillary premolars and the mesio-buccal root of M1(MSA) and
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
associated facial gingiva and anterior teeth(ASA), and associated facial gingiva
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
ANTERIOR AND MIDDLE SUPERIOR ALVEOLAR-V2 ||\\//|| ||\\//|| ||\\//|| ||\\//||
• Branches off of V2 and travels into the posterior border of the maxilla to reach the
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
maxillary molar roots: ||\\//|| ||\\//||
– Carries sensation from the maxillary molars and associated facial (buccal) gingiva
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
POSTERIOR SUPERIOR ALVEOLAR NERVE-V2 ||\\//|| ||\\//|| ||\\//||
• Dentition and the facial gingiva (SENSORY INNERVATION of the MAXILLARY DENTAL
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
ARCH-V 2)
||\\//|| ||\\//||
– Posterior superior alveolar nerve
||\\//|| ||\\//|| ||\\//|| ||\\//||
• Molars ||\\//||
– Middle superior alveolar nerve
||\\//|| ||\\//|| ||\\//|| ||\\//||
• Premolars, and the mesiobuccal root of the 1st molar
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
– Anterior superior alveolar nerve
||\\//|| ||\\//|| ||\\//|| ||\\//||
• Canine, incisors
||\\//|| ||\\//||
Lingual/palatal gingiva (not teeth): (SENSORY INNERVATION of the MAXILLARY ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
DENTAL ARCH-V 2) ||\\//|| ||\\//||
Nasopalatine nerve (NP) ||\\//|| ||\\//||
Greater palatine nerve (GP)
||\\//|| ||\\//|| ||\\//||
• Gingiva associated with the canines and incisors and palatal mucosa
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
– Nasopalatine nerve (NP)
||\\//|| ||\\//|| ||\\//||
detailed solutions ||\\//||
• The ------- and ------- divisions of the trigeminal nerve carry general sensation from the
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
teeth, gingiva and supporting tissues (bone and periodontal ligaments) of the dental arches
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
maxillary (V2) and mandibular (V3) ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
•----- supplies the maxillary arch
||\\//|| ||\\//|| ||\\//|| ||\\//||
V2
• ------ supplies the mandibular arch
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
V3
BRANCHES OF V2 ||\\//|| ||\\//||
Nasopalatine Nerve ||\\//||
Palatine nerves ||\\//||
– Travels along the nasal septum
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
– Passes through the incisive(nasopalatine) canal to carry sensation from the:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
• Palatine mucosa and lingual gingiva of the anterior teeth
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Nasopalatine Nerve ||\\//||
Palatine nerves: ||\\//||
– Greater and lesser palatine nerves
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
Palatine nerve– Greater and lesser palatine nerves:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
• Travel through the greater and lesser palatine foramina to carry sensation from:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
• Mucosa of the hard and soft palate
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
• The greater palatine also carries sensation from lingual gingiva of the posterior maxillary
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
teeth
• Travels through the maxilla
||\\//|| ||\\//|| ||\\//|| ||\\//||
, • Continues through the infraorbital foramen onto the face:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
– Sensory branches from midface region:
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
• Upper lip, cheek, lateral nose, lower eyelid
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
INFRAORBITAL NERVE-V2 ||\\//||
• Branch off from the infraorbital nerve inside the maxilla, travel along the walls of the
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
maxillary sinus to the alveolar bone and roots of the maxillary teeth
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
• Carry sensation from maxillary premolars and the mesio-buccal root of M1(MSA) and
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
associated facial gingiva and anterior teeth(ASA), and associated facial gingiva
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
ANTERIOR AND MIDDLE SUPERIOR ALVEOLAR-V2 ||\\//|| ||\\//|| ||\\//|| ||\\//||
• Branches off of V2 and travels into the posterior border of the maxilla to reach the
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
maxillary molar roots: ||\\//|| ||\\//||
– Carries sensation from the maxillary molars and associated facial (buccal) gingiva
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
POSTERIOR SUPERIOR ALVEOLAR NERVE-V2 ||\\//|| ||\\//|| ||\\//||
• Dentition and the facial gingiva (SENSORY INNERVATION of the MAXILLARY DENTAL
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
ARCH-V 2)
||\\//|| ||\\//||
– Posterior superior alveolar nerve
||\\//|| ||\\//|| ||\\//|| ||\\//||
• Molars ||\\//||
– Middle superior alveolar nerve
||\\//|| ||\\//|| ||\\//|| ||\\//||
• Premolars, and the mesiobuccal root of the 1st molar
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
– Anterior superior alveolar nerve
||\\//|| ||\\//|| ||\\//|| ||\\//||
• Canine, incisors
||\\//|| ||\\//||
Lingual/palatal gingiva (not teeth): (SENSORY INNERVATION of the MAXILLARY ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
DENTAL ARCH-V 2) ||\\//|| ||\\//||
Nasopalatine nerve (NP) ||\\//|| ||\\//||
Greater palatine nerve (GP)
||\\//|| ||\\//|| ||\\//||
• Gingiva associated with the canines and incisors and palatal mucosa
||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//|| ||\\//||
– Nasopalatine nerve (NP)
||\\//|| ||\\//|| ||\\//||
