Early Caries
Conditions
Interventions
A:chewing 2 pieces of Wrigley’s Chewing Gum for test for one time, 12min/time, 5 times/day (equal to 10 pieces)
B:chewing 2 pieces of Wrigley’s Chewing Gum for test for one time, 20 min/time, 3 times/day (equal to 6 pieces)
Sponsors
Sichuan University, West China Hospital of Stomatology
Eligibility
Sex/Gender
All
Age
8 Years to 13 Years
Inclusion criteria
Inclusion criteria: Of all maxillary anterior teeth, there shall be at lest 1-2 early caries on smooth surfaces (demineralized but not cavitated, according to Nyvad et al, 1999). Subjects shall be in sound physical conditions without systemic diseases. Subjects, aged between 8 and 13, shall have at least 4 maxillary anterior teeth (3-3). Subjects can take a 16-week clinic study. Subjects can understand test requirements, and agree to chew gums and use toothpastes and toothbrushes provided.
Exclusion criteria
Exclusion criteria: Those using fluoride mouthrinse; taking medicine in long term due to chronic diseases; wearing fixed orthodontic appliances; having severe congenital maxillofacial malformations; having taken other clinic studies during last 2 months; having primary teeth, permanent teeth not fully erupted, fixed artificial teeth, dental fluorosis that can be seen by naked eye, tetracycline stained teeth, or enamel hypoplasia; or allergic to gum substances or using gums.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| ?F (the loss of fluorescence), Area (the area of lesions), and ?Q (the total loss of fluorescence) o; | — |
Secondary
| Measure | Time frame |
|---|---|
| Caries examination; | — |
Contacts
Public ContactHu Deyu
West China School of Stomatology, Sichuan University
Outcome results
None listed