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Antisialagogues are drugs or substances that decrease the flow rate of saliva and their effect is opposite to that of sialagogues. [1] Their origin may be both natural and synthetic. Anticholinergics generally have antisialagogue effects, and most produce some level of sedation, both being advantageous in surgical procedures. [2]
Artificial saliva also contributes to oral health maintenance by promoting enamel defence against acidic erosion. In individuals with a high intake of soft drinks or a high vomiting frequency and a decrease in saliva flow, artificial saliva can help improve the clearance time of acids and reduce the chance of dental erosion.
Sialometery can yield measures of stimulated salivary flow or unstimulated salivary flow. Stimulated salivary flow rate is calculated using a stimulant such as 10% citric acid dropped onto the tongue, and collection of all the saliva that flows from one of the parotid papillae over five or ten minutes. Unstimulated whole saliva flow rate more ...
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.
2. Use of xerostomic medications – these medications will result in a decreased salivary flow rate which can predispose to infections of glands. Examples of medications that may contribute to this include antihistamines, antidepressants, and anticholinergic agents. 3.
Parasympathomimetic drugs act on parasympathetic muscarinic receptors to induce an increased saliva flow. The M3 receptor has been identified as the principal target to increase salivary flow rates. [4] Pilocarpine is an example; the maximum dose of this drug is 30 mg/day. Contraindications include many lung conditions, such as asthma, cardiac ...
Xerostomia, or a decrease in saliva flow, can be a side effect of many drugs, which, in turn, can lead to the development of taste disturbances such as dysgeusia. [39] Patients can lessen the effects of xerostomia with breath mints, sugarless gum, or lozenges; or physicians can increase saliva flow with artificial saliva or oral pilocarpine. [39]
[60] [55] In a stimulated saliva flow test the person sucks on a sugar free sweet, whilst collecting saliva. An unstimulated salivary flow rate of 0.1 to 0.2 ml/min and a stimulated flow rate of 0.7 ml/min or less is considered to be abnormally low flow rates indicative of salivary gland hypofunction. [61] Unstimulated saliva production reduces ...