Will root canal treated tooth cause pain in eye and mouth?

Hi,

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I have read through your complaint and the relevant details. The reason for pain in the eye region should be due to any tooth infection in the upper front tooth region precisely the canine tooth. It could be a hidden decay in the tooth which bothers you a lot. I advice you to get it checked with the dentist along with an X-ray for the tooth in suspicion. There are least chances that the failed root canal treatment could cause this. A root canal treated tooth is equivalent to a dead tooth and this might not cause any pain at all. Moreover, you have mentioned that your nose waters and the eyes burn. I find these symptoms are irrelevant to the dental history you have given. Considering your age, I suspect that there are more possibilities for you sitting around with the electronic gadgets for longtime. This is the main reason for the symptoms you have mentioned. I highly recommend you to drink plenty of water and eat food that cools up your body such as watermelon, cucumber, lemon juice, etc. Oiling your head is again another tip which can help you reduce the body heat.