Otalgia - Causes of Referred Pain
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Answer b) glossolaryngeal nerveOtalgia - Causes of Referred Pain
| Site | Innervation | Disorder |
| Oropharynx | (IX (glossopharyngeal) | Tonsillitis Post-tonsillectomy Ca of base of tongue |
| Laryngopharynx | X | Ca of piriform fossa, & post-cricoid area ,larynx |
| Upper molar teeth, TMJ, parotid gland | V3 (mandibular) | Carious teeth Impacted molars TMJ dysfunction |
| C2, C3 | osteoarthritis / spondylosis Cervical | |
| (V2 (maxillary | Sinusitis | |
| X ,VII, IX | Herpes zoster |
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