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It is good that you got rid of the symptoms but if your tooth is dead and infectious it is going to create a lot of health problems for you in the mid to long term.

If you tooth is dead you should remove it and get a circonium or titanium implant performed with a very good dentist that cleans perfectly the infection before putting in the implant.

If you want addtional information check this article
https://steemit.com/health/@freedomvigilante/don-t-get-a-root-canal-if-you-want-to-stay-healthy