Can an ignored toothache affect the brain?

Sorry if this is the wrong forum. I've been feeling extremely tired and low and groggy, and this has coincided with a toothache that I ignored for a long time.

My dentist removed "as much of the decay" as she could, and said to come back in a few months. But it still feels darn sensitive, and I'm wondering if the infection/decay has reached the gums and this is affecting my energy levels?

Any thoughts would be hugely appreciated.

absolutely... infection can even go to the brain from infected teeth.

Many doctors now are using ozonated spray after doing extractions and
replacing fillings and especially rot canals.

Spirochetes are left in the gums and cause major illness.

The wrong dentist experience can ruin your health and you will think it
is this or that.

Also you may want to look into the overall condition of all of your teeth as they are an indicator of other issues too.

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20 yrs of doctors . DEC. 2009 tested positive for lyme, bartonella, ehrichiosis, HHPV6, chlamadyal pneumonia .
parasites :strongylides, diaoebia fragialis, hook worm.

Hep C ....fibro, rhumatoidal,depression,