Influence of Gender Specific Differences of Saliva Composition on the Development of Dental Erosion - an In-situ Study

Inclusion Criteria

• •Healthy probands aged between 20 and 40 years who are able to give written consent
• •Smoking
• •Hyposalivation / xerostomia (unstimulated saliva \< 0.3 mL/min, stimulated saliva \< 0.7 mL/min)
• •Intake of any medication (except contraceptives in women)
• •Pregnant or lactating women
• •Known allergies to substances used in the study
• •Orthodontic treatment or malfunction which doesn't allow to wear an intraoral device