Oral hygiene entails cleaning the teeth and the oral cavity to prevent gingival diseases, periodontitis, and halitosis. Oral hygiene measures are necessary and inevitable for everyone throughout life. Halitosis is a medical and social problem in all communities. 1 Halitosis is defined as a malodor that mainly originates from the oral cavity, which might occur when an individual has poor oral hygiene. 2 One reason for toothbrushing is to avoid oral malodor during social interactions, indicating the importance of observing oral hygiene measures. 3 Wearing a mask is mandatory during the COVID-19 pandemic to prevent the spread of the virus through respiratory droplets, negating the commitment to observe oral hygiene measures during social interactions. 4 Therefore, it results in a decrease in the observation of individual oral hygiene measures. This increases the severity or the odds of developing periodontal disease. In addition, wearing a mask and drinking no liquids at the workplace increase oral mucosal dryness, exacerbating periodontal diseases. 5, 6 Another factor that exacerbates periodontal diseases or results in the recurrence of periodontal diseases is that the treated patients do not attend periodontal maintenance sessions...