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It has also been defined as increased amount of saliva in the mouth, which may also be caused by decreased clearance of saliva. [ 4 ] Hypersalivation can contribute to drooling if there is an inability to keep the mouth closed or difficulty in swallowing (dysphagia) the excess saliva, which can lead to excessive spitting.
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.
Sometimes poorly constructed prosthetic teeth may be the cause if the original bite is altered. Usually, the teeth are placed too far facially (i.e., buccally and/or labially), outside the " neutral zone ", which is the term for the area where the dental arch is usually situated, where lateral forces between the tongue and cheek musculature are ...
A salivary diverticulum (plural diverticuli) is a small pouch or out-pocketing of the duct system of a major salivary gland. [16] Such diverticuli typically cause pooling of saliva and recurrent sialadenitis, [17] especially parotitis. [18] A diverticulum may also cause a sialolith to form. [19] [20] The condition can be diagnosed by ...
Picture of the mouth showing the sublingual caruncle and related anatomical structures. The submandibular duct arises from deep part of submandibular gland, a salivary gland. It begins by numerous branches from the superficial surface of the gland, and runs forward between the mylohyoid, hyoglossus, and genioglossus muscles.
The most common location to find a mucocele is the inner surface of the lower lip. It can also be found on the inner side of the cheek (known as the buccal mucosa), on the anterior ventral tongue, and the floor of the mouth. When found on the floor of the mouth, the mucocele is referred to as a ranula. They are rarely found on the upper lip.
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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.