Hello sir....
pain in left ear jaw area may be due to impacted wisdom teeth which may cause refered pain in neck also ..
Wisdom teeth is one that fails to erupt in its normal position in the given period of time
Consequences of wisdom teeth:
**pericoronitis
**Trismus
** jaw soreness
**bad breathe due to food impaction....
complete clinical and radiological examination is necessary to rule out the cause and management....
In case of wisdom teeth , you need to go for surgical removal followed by analgesics and antibiotics....
Next Steps
kindly visit dentist for furthur clinical examination and management