Anatomy of Local Anesthesia

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Anatomy of Local Anesthesia
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Trigeminal Nerve

• Motor (Mandibular (V3) division only)
• Muscles of Mastication
• Mylohyoid
• Digastric (anterior belly)
• Tensor tympani
• Tensor veli palatini

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Trigeminal Nerve

• Sensory
• Ophthalmic (V1)
• Maxillary (V2)
• Mandibular (V3)

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Ophthalmic (V1)

• Nasociliary
• Frontal
• Lacrimal

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Maxillary (V2)

• Alveolus
• Posterior superior alveolar (PSA)
• Middle superior alveolar (MSA)
• Anterior superior alveolar (ASA)
• Palate
• Nasopalatine
• Greater palatine
• Lesser palatine

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Mandibular (V3)

• Inferior alveolar
• Mental branch
• Incisive branch
• Buccal
• Lingual
• Mylohyoid
• Auriculotemporal

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Landmarks - Maxilla

• Canine eminence
  
• Canine fossa
  
• Tuberosity
  
• Palatal process
  

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Landmarks - Maxilla

• Infraorbital foramen
• Incisive foramen
• Greater palatine foramen

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Landmarks - Mandible

• Condylar head
• Condylar neck
• Coronoid process
• Coronoid notch
• Sigmoid (mandibular) notch

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Landmarks - Mandible

• Mental foramen
• Mandibular foramen
• Lingula
• Mylohyoid line

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