“…37 Finally, many of these interventions supplemented their educational programmes through the provision of free toothpaste and toothbrushes, 20,24,26,31,33,36,40,42,43,46,47,[49][50][51]53,54,60,61 and in a small number of studies through dental care and fluoride provision, such as fluoride varnish. 24,28,33,38,40,42,43,47,48,52,54,58,59 Despite the studies being broadly similar in format, there is little to no justification for the intervention components, with only two notable exceptions, 27,37 and there is a distinct lack of theoretical basis for the intervention. Out of the 42 intervention studies included in the review, less than half reported that they had been informed by theory.…”