What Causes the Lips to Crack at the Corners and Refuse to Heal?
1. Introduction Lips that crack at the corners and refuse to heal are primarily caused by angular cheilitis, a chronic inflammatory condition driven by fungal or bacterial overgrowth. This micro-environment of trapped moisture and macerated tissue is frequently exacerbated by severe nutritional deficiencies, ill-fitting dentures, or salivary pooling. When the delicate skin at the oral … Read more