All sound advice re getting dentsl treatment as you do not want a chronic abscess form. This can happen following an acute attack that may have developed into a sinus (a tract leading from the seat of the infection to the outside skin or a hollow organ) that has failed to heal. In this case more complicated dental surgery may be offered to close the sinus tract. If the sinus is left untreated it will be a potential source of repeated low-grade infections.
The following Homeopathic remedies may be helpful whilst awaiting Dental treatment.12C over the counter at health food stores or Boots etc.
Belladonna very painful and throbbing, the mouth is dry and the face overlying the abscess is red and hot.
Borax the individual has gumboils and complains of and is in great pain, the face is pale, (also useful for apthous ulcer and oral thrush).
Silica the abscess is well developed and very painful, the pain is made worse by both hot and cold items in the mouth.
Or four hourly mouth wash with five drops of mother tincture in 0.25 litres (½ pint) of warm water of both Hypericum and Calendula.
Some herbs
Thyme (Thyme vulgaris) or Sage (Salvia officinalis) infusion, one teaspoonful of either herb in one cup of boiling water cover and allow to, infuse for ten minutes. Make sure it’s not to hot as to scald then hold it in the mouth and swish well round to reduce inflammation and infection as required.
If you really do not want to see a dentist contact the Society of Homeoopaths web site they will be able to put you in touch with a practitioner in your area