Below are the main rubriks (i.e strongest indications or symptoms) of Petroleum in traditional homeopathic usage, not approved by the FDA.
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Fetid breath, sometimes like garlic.
Painful soreness on chewing.
Gums and teeth
Ulcers on inner surface of cheeks (painful when closing teeth).
Toothache from contact with open air, agg. at night, with swelling of cheek.
Numbness of teeth, with pain on clenching them.
Pustule above a hollow tooth like a fistula.
Fistulous vesicles in gums.
Swelling of gums, with shooting pain on being touched.
Much mucus in mouth and throat.
Great dryness of mouth (and throat in morning) with violent thirst (for beer).
Tongue coated white.≡ more ...