Learner's definition of CUNNING. [more cunning; most cunning] : getting what is wanted in a clever and often deceptive way. a cunning criminal. She was cunning enough to fool me. a cunning plan.
Dental Hygiene. 1  Brush your teeth very carefully as a mild bruise can cause serious infection. 2  Keep your head in an upright position while sleeping. 3  To reduce the post operative swelling, rinse your mouth with warm salt water at least 4 times a day. Do not spit and rinse thoroughly.
Treating injury-related swollen lips depends on the cause. For mild injuries, applying an ice pack can help with pain. You can also apply heat to reduce swelling.