By definition, acute cough is one lasting <3 weeks, sub-acute cough lasts 3-8 weeks, and chronic cough lasts >8 weeks [8]. Most acute coughs raise minimal concerns among health practitioners as they are generally caused by URTIs, usually have a short duration, and are self-limited.
Healing is a complicated procedure after tooth extraction. It may take from 3 to 5 weeks in normal person but it will take longer in diabetic patient, presence of infection after extraction, malnutrition, complicated surgical extraction, and smoking. Complete healing with bone deposition and remodeling will take from 3 to 6 months.
As well as an ulcer, or a red or white patch, or anywhere in the mouth that does not heal within two or three weeks, symptoms can include a lump or swelling in the mouth, jaw or neck that persists for at least three weeks.