“…Seven studies evaluated mechanical intervention (Table ): conventional manual toothbrush with versus without Internet‐based oral hygiene education (Popple et al, ); conventional manual toothbrushes versus modified toothbrushes—triple‐headed toothbrush (Doǧan, Alaçam, Aşici, Odabaş, & Seydaoǧlu, ), handle‐modified toothbrush (Crawford, Burril, & Grogan, ), individually modified toothbrush (Damle & Bhavsar, ); powered toothbrushes versus conventional manual toothbrushes (Doǧan et al, ; Ferraz et al, ; Gertenrich & Lewis, ; Shaw, Harris, Maclaurin, & Foster, ), or versus triple‐headed toothbrush (Doǧan et al, ). Studies differed in assessment methods of dental plaque outcome, and the most common index was Silness & Löe Plaque Index.…”