This trial is active, not recruiting.

Conditions eating, oral health
Treatments dietary counseling, xylitol
Sponsor National Institute for Health and Welfare, Finland
Collaborator University of Oulu, Department of dental health
Start date April 2007
End date May 2008
Trial size 769 participants
Trial identifier NCT00530153, KTL 369-3


The purpose of this study is to evaluate the effects of an intervention programme on dietary intake and dental health of 8th grade students.

United States No locations recruiting
Other countries No locations recruiting

Study Design

Allocation randomized
Intervention model parallel assignment
Masking open label
Primary purpose prevention

Primary Outcomes

Dietary intake (eg. sugar, fibre). The presence of active initial caries lesions.
time frame:

Secondary Outcomes

Nutritional quality of school meals and snacks. Laser fluorescence values of the occlusal surfaces of permanent molar and premolar teeth.
time frame:

Eligibility Criteria

Male or female participants from 13 years up to 14 years old.

Inclusion Criteria: - 7th grade students from the participating schools, written informed consent both from the student and the parent

Additional Information

Official title School Intervention Study of Nutrition, Wellbeing and Dental Health
Principal investigator Pirjo Pietinen, Ph. D
Trial information was received from ClinicalTrials.gov and was last updated in September 2009.
Information provided to ClinicalTrials.gov by National Institute for Health and Welfare, Finland.