Dental Erosion, Dental Abrasion.
Conditions
Interventions
Intervention 1: Intervention group: Erosive/Abrasive challenge at 4 degrees Celsius. Intervention 2: Intervention group: Erosive/Abrasive challenge at 25 degrees Celsius.
Sponsors
Shiraz University of Medical Sciences
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: Participants should be at least 18 years old. Having acceptable oral hygiene and health status. Lack of allergy to any specific oral and dental hygiene products. The stimulated and unstimulated salivary flow should be more than 1 ml/min and 0.25 ml/min. Lack of any active dental caries, cervical lesions, or periodontal diseases. Lack of prosthetic restorations or orthodontic appliances. Lack of erosive dental lesions. Participants' ability to return at the requested time point.
Exclusion criteria
Exclusion criteria: Participants with the condition of pregnancy or with the intention to get pregnant during the study. Breastfeeding mothers. Simultaneous participation in studies other than the current study. Professional application of fluoride during the past two months. Inability to accurately undertake the study protocols. Use of medications interfering with the salivary flow rate. Participants diagnosed with gastrointestinal pathologies. Smoking cigarette.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Surface Wear, Surface Roughness, Surface Microhardness. Timepoint: 5 days after erosive/abrasive challenge. Method of measurement: Measuring surface wear with contact profilometry, surface hardness using Vickers test, surface roughness with atomic force microscope. | — |
Countries
Iran (Islamic Republic of)
Contacts
Public ContactMahtab Memarpour
Shiraz University of Medical Sciences
Outcome results
None listed