Persistent oral malodor – underlying causes and evidence-based home strategies for resolution
Laura Schneider
2026-03-25
6 min. read
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Chronic unpleasant breath, clinically referred to as halitosis, represents a significant impediment in both personal and professional contexts. While it is commonly assumed that oral malodor stems solely from inadequate hygiene practices, the underlying causes are frequently far more multifaceted. In many cases, it serves as an indicator of deeper health complications or suboptimal dietary patterns. This resource explores the contributing factors behind halitosis development and presents validated, home-based interventions designed to effectively mitigate this troublesome condition.
Unpleasant smell from the mouth
The following types of halitosis are distinguished: true halitosis is a distinct, persistent, often unacceptable odor of the mouth that persists for many years. It may be of a hygienic nature (such as the physiological processes that occur in the oral cavity during sleep) or of a physiological nature (changing pathogens with the help of oral or oral medicinal products); it is not possible to use the usual methods of oral contraception, but it is still possible to determine the origin of the disease in the mouth.
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