An interesting research in Iran by examining 250 preschool children (105 boys and 145 girls) aged 4 to 6.5 years old at the level of kindergartens in a cross-sectional and random way that almost all children (96.8%) eat between their main meals They used snacks.
shows:
- No relationship was found between the type of diet and oral hygiene and gum health status.
- The consumption of dairy products, fruits, vegetables and snacks did not affect oral health and gum health.
- There was no relationship between the time of consuming snacks and sweets and oral hygiene and gum health status.

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