Effect of Wearing Face Masks on Salivary Parameters and Halitosis

Inclusion Criteria

• •Oral healthy adult volunteers who are able to give written consent
• •Denied access to the University Medical Center Goettingen at the Corona screening
• •Exemption from wearing a face mask for medical reasons
• •Medical reasons hindering participants from refraining eating and drinking prior (except for water) or during the visits
• •Hyposalivation / xerostomia (unstimulated saliva \< 0.3 mL/min, stimulated saliva \< 0.7 mL/min)
• •Refusal to use fluoridated toothpastes
• •Smoking