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About
he study was designed as a double-blind three-parallel-group randomized controlled trial, in which the evaluators and a researcher, not involved in the evaluation process, was responsible for the randomization process, were masked to the group assignment.
The study will be carried out at 2 schools of the Metropolitan Area of Buenos Aires where school programs are developed by the Department of Preventive and Community Dentistry of the University of Buenos Aires, and that present homogeneous characteristics in terms of social risk. The children (n=244) attending those primary schools will be the population object of the trial.
Clinical examinations
Each child will go under a clinical examination to determine dental status according to the ICDAS II criteria (Pitts, 2005) and the Caries Treatment Need Index (CTNI).
Intervention
Children will be divided into three different groups according to the mode of treatment:
Dental examination and Monitoring
Observations and clinical examinations will be conducted at schools. After 12 and 24 months, the clinical examination will be repeated to assess the dental status of schoolchildren following the same criteria described. The presence of new caries lesions will be taken as a dependent variable. So sound surfaces on baseline will be observed for 24 months.
Full description
The study was designed as a double-blind three-parallel-group randomized controlled trial, in which the evaluators and a researcher, not involved in the evaluation process, was responsible for the randomization process, were masked to the group assignment.
The study will be carried out at 2 schools of the Metropolitan Area of Buenos Aires where school programs are developed by the Department of Preventive and Community Dentistry of the University of Buenos Aires, and that present homogeneous characteristics in terms of social risk. The children (n=244) attending those primary schools will be the population object of the trial.
All parents/caregivers of the children will receive a leaflet requesting the approval to enroll their children; for those families that decide not to be included into the trial, the children will receive the dental treatment needed but their data will not be evaluated.
The inclusion criteria were children between 4 and 11 years old attending the selected schools. Exclusion criteria: Children with systemic diseases or systemic disease treatments, motor disorders and children receiving preventive measures in other public, private, or social security dental services.
Clinical examinations
Each child will go under a clinical examination to determine dental status according to the ICDAS II criteria (Pitts, 2005), perform under standardized conditions, using light, dental mirror, WHO probe and magnification (2,5x). The dental exams will be performed by calibrated researchers.
On the basis of the clinical examination, beside the ICDAS11,12 score, the Caries Treatment Need Index13 (CTNI) will also be registered.
Intervention
As described above, the children will be divided into three different groups according to the mode of treatment:
Enrolment in each group will be given by balancing the CNTI categories in each group.
A protocol will be applied to all children, based on dental care programmes to be carried out in school and dental clinics, with the aim of controlling caries lesions, comprising: teaching and control of personal oral hygiene; dietary counseling, calculus removal, and caries treatment if needed.
Dental examination and Monitoring
Observations and clinical examinations will be conducted at schools. After 12 and 24 months, the clinical examination will be repeated to assess the dental status of schoolchildren following the same criteria described. The presence of new caries lesions will be taken as a dependent variable. So sound surfaces on baseline will be observed for 24 months.
In all children, daily brushing will be performed with the same toothpaste and toothbrush, supervised by schoolteachers, with fluoride toothpaste (1400 ppm) at school.
Statistical analysis
All the data will be input into a spreadsheet (Microsoft Excel 2021 for Mac, version 16.4.8). Chi -square test for NTCI changes between groups and after 24 months.
Kaplan - Meyer Statistical analyses will be performed using Stata/SE1 software, version Stata/SE 16.1 for Mac (Intel 64-bit)and SPSS 28 for survival of sound surfaces after 24 months and Hazard Ratio will be calculated.
Enrollment
Sex
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Volunteers
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Exclusion criteria
Primary purpose
Allocation
Interventional model
Masking
300 participants in 3 patient groups
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Data sourced from clinicaltrials.gov
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