50 Free Resources That Will Improve Your Writing Skills. Effective writing skills are to a writer what petrol is to a car. Like the petrol and car relationship, without solid skills writers cannot move ahead. These skills donât come overnight, and they require patience and determination. You have to work smart and hard to acquire them.
Canker sore. Canker sores, also called aphthous ulcers, are small, shallow lesions that develop on the soft tissues in your mouth or at the base of your gums.Unlike cold sores, canker sores don't occur on the surface of your lips and they aren't contagious. They can be painful, however, and can make eating and talking difficult.anker sores, also called aphthous ulcers, are small, shallow lesions that develop on the soft tissues in your mouth or at the base of your gums.
Canker sores (aphthous ulcers or aphthous stomatitis) are small, painful ulcers inside the mouth. They may occur on the tongue and on the inside linings of the cheeks, lips, and throat.They usually appear white, gray, or yellow in color, with a red border.anker sores are not the same as cold sores (fever blisters), which are an infection caused by the herpes virus and are contagious. Canker sores are not contagious, and are categorized into three types: 1  Minor sores measure from 3 to 10 millimeters (mm) and are the most common type of canker sore.