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Table 2 Progression criteria to definitive trial [24]

From: "Strong Teeth": an early-phase study to assess the feasibility of an oral health intervention delivered by dental teams to parents of young children

Adoption and maintenance of appropriate oral health bahaviours at 2–3 month follow-up (80%) based on self-report measures

Intervention mechanism produces intended changes in the determinants of oral health behaviour

Process evaluation

a. Feasibility of delivering the "Strong Teeth" intervention in a dental setting

b. Intervention, and self-reported and objective outcome measures are acceptable to dental teams and parents

c. Adequate recruitment (25%) of eligible families for data collection

d. Adequate retention (85%) of consented families to data completion

  1. Additional secondary objectives [24] included:
  2. 1. To study the mechanisms of action for the "Strong Teeth" intervention
  3. 2. To describe the changes in dietary behaviour and parental-supervised brushing (PSB) as a result of the "Strong Teeth" intervention in children aged 0–5 years old
  4. 3. To examine the impact of providing children aged 3–5 years old with an Oral-B electric rechargeable toothbrush, with respect to acceptability and tooth- brushing behaviours