TEMPERATURE-DEPENDENT EROSIVITY OF DRINKS - AN IN-SITU STUDY

Not Applicable

Recruiting

• Conditions: K03.2; Erosion of teeth

• Registration Number: DRKS00023724
• Lead Sponsor: niversity of ZurichCenter for Dental Medicine (ZZM)Clinic of Preventive Dentistry, Periodontology, and Cariology

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2021-01-11
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 15

Inclusion Criteria

Systemically healthy adults aged = 18 years
- Physiological saliva flow rates (stimulated: >1 ml/min, unstimulated: >0.25 ml/min)
- Good oral health (no obvious cavities or significant
gingivitis/periodontitis)

Exclusion Criteria

- General/systemic illness
- Known allergy against any of the applied beverages

Study & Design

• Study Type: interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Sip-wise intake (drinking) of following widely available beverages (the sequence of the intake of beverages will be randomized):<br>1) 100 ml Orange Juice at 5 °C within 1 minute<br>2) 100 ml Orange Juice at 21 °C within 1 minute<br>3) 100 ml Coca Cola Zero at 5 °C within 1 minute<br>4) 100 ml Coca Cola Zero at 21 °C within 1 minute<br>5) 100 ml Sprite Zero at 5 °C within 1 minute<br>6) 100 ml Sprite Zero at 21 °C within 1 minute<br>7) 150 ml Twinings Fruit tea at 21 °C within 2 minutes<br>8) 150 ml Twinings Fruit tea at 55 °C within 2 minutes.<br><br>Thereafter assessment of erosive enamel softening as determined by surface<br>microhardness measurements of the enamel specimens.

Secondary Outcome Measures

Name	Time	Method
Determination of the temperature-dependent erosivity of drinks with erosive enamel softening serving as a proxy.