There is a strange taste in the mouth may be poor oral hygiene triggered by oral odor may also be injury or inflammation bleeding oozing caused by the bloody taste mixed oral odor.
1. poor oral hygiene: there is a strange taste in the mouth, may be poor oral hygiene, food residues and soft dirt retained in the tooth surface, the back of the tongue, mixed with bacterial fermentation of oral odor.
2. Injury: sharp tooth tips or bad restorations in the mouth may cause accidental damage to the oral mucosa bleeding, resulting in the appearance of a bloody flavor.
3. Inflammation: dental caries food residue retention or pulpitis, apical periodontitis pulp necrosis, chronic periodontitis, there are abnormal secretions seeping out of the mouth, mixed with blood to appear oral odor.
Oral odor may also be respiratory or digestive sources of odor, serious cases are recommended to seek medical attention to identify the cause of targeted treatment.