Daily oral care includes brushing with fluoride toothpaste and reducing frequent sugary foods and drinks. A dental professional can advise on suitable products and technique. Persistent toothache, gum pain or a swollen face or jaw needs dental assessment; a suspected dental abscess needs urgent treatment. Seek immediate emergency care if swelling affects breathing, speaking or swallowing, if there is a lot of swelling in the mouth, or if the eye becomes swollen or vision changes. Do not wait for an online answer. These signs do not establish the cause, and the examples are not exhaustive. A clinician must advise on treatment; this article does not select antibiotics or pain medicines.