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Angular cheilitis is thought to be a multifactorial disorder of infectious origin, [10] with many local and systemic predisposing factors. [11] The sores in angular cheilitis are often infected with fungi (yeasts), bacteria, or a combination thereof; [8] this may represent a secondary, opportunistic infection by these pathogens.
The commissure is the corner of the mouth, where the vermillion border of the superior labium (upper lip) meets that of the inferior labium (lower lip). The commissure is important in facial appearance, particularly during some functions, including smiling. As such it is of interest to dental surgeons.
Prosopometamorphopsia (PMO), [1] also known as demon face syndrome, [2] is a neurological disorder characterized by altered perceptions of faces. In the perception of a person with the disorder, facial features are distorted in a variety of ways including drooping, swelling, discoloration, and shifts of position.
A stroke usually affects only one side of the body; loss of sensation due to a stroke will be lateralized to the right or the left side of the body. The only exceptions to this rule are certain spinal-cord lesions and the medullary syndromes, of which Wallenberg syndrome is the best-known example.
Buddy Hackett had Bell's palsy as a child, the lingering effects of which contributed to his distinctive slurred speech and his tendency to speak out the right side of his mouth. [1] Well-known people who have been diagnosed with Bell's palsy include: Roseanne Barr, American comedian and actress whose condition occurred as a child [2]
Drooling can be caused by excess production of saliva, inability to retain saliva within the mouth (incontinence of saliva), or problems with swallowing (dysphagia or odynophagia). There are some frequent and harmless cases of drooling – for instance, a numbed mouth from either benzocaine , or when going to the dentist's office.
The condition is characterized by the sudden, typically temporary weakness or paralysis of the muscles on one side of the face and can cause profound change to one’s appearance.
Asymmetric crying facies (ACF), also called partial unilateral facial paresis and hypoplasia of depressor angula oris muscle, [1] is a minor congenital anomaly caused by agenesis or hypoplasia of the depressor anguli oris muscle, one of the muscles that control the movements of the lower lip.