1. (A) Changes in plaque and gingival index (Silness and Löe)21 for patients 1–8 over a 7-day period using oral hygiene intervention either with a toothbrush (solid line) or foam swab (broken line).
(A) Changes in plaque and gingival index (Silness and Löe)21 for patients 1–8 over a 7-day period using oral hygiene intervention either with a toothbrush (solid line) or foam swab (broken line). (B) Changes in plaque and gingival index (Silness and Löe)21 for patients 9–17, over a 7-day period using oral hygiene intervention either with a toothbrush (solid line) or foam swab (broken line). (C) Changes in plaque and gingival index (Silness and Löe)21 for patients 19–28, over a 7-day period using oral hygiene intervention either with a toothbrush (solid line) or foam swab (broken line).
Paola J Marino et al. BMJ Open Resp Res 2016;3:e000150
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