Aphthous stomatitis the lesions, the healing time of individual ulcers and whether a scar is left after healing (see below). This is the most common type of aphthous stomatitis, accounting for about 80–85% of all cases. This subtype is termed minor aphthous ulceration (MiAU), or minor recurrent aphthous stomatitis (MiRAS). The lesions themselves may be referred to as minor aphthae or minor aphthous ulcers. These lesions are generally less than 10 mm in diameter (usually about 2–3 mm), and affect non-keratinized mucosal surfaces (i.e. the labial and buccal mucosa, lateral borders of the tongue and the floor of the mouth). Usually several
Stomatitis nicotina smoking, but it also can occur in cigar or cigarette smokers. The condition was once common, but has become more rare as habits such as pipe and cigar smoking have decreased in popularity. Stomatitis nicotina Stomatitis nicotina (also known as nicotine stomatitis, nicotinic stomatitis, nicotine palatinus, stomatitis palatini, leukokeratosis nicotina palate, palatal leukokeratosis, smoker's keratosis, smoker's palate, and smoker's patches), is a diffuse white patch on the hard palate, usually caused by tobacco smoking, usually pipe or cigar smoking. It is painless, and it is caused by a response of the palatal oral mucosa to chronic heat. A more pronounced