Trial reportBMC oral health2026
Plaque removal efficacy of manual versus powered toothbrushes in patients with clear aligners: a single-brushing randomized controlled trial.
Trial report in BMC oral health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThis study aimed to compare the plaque removal efficacy of manual and powered toothbrushes around attachments in patients undergoing clear aligner therapy under standardized, single-brushing conditions.
methodsThis single-center, single-blind randomized controlled trial included 14 adults undergoing clear aligner therapy for more than 6 months. Participants were randomly assigned to either a manual (n = 7) or powered (n = 7) toothbrush group. To standardize plaque accumulation, toothbrushing was discontinued for at least 12 h prior to assessment. Plaque was disclosed and scored at baseline (T0) and after brushing (T1) using a Modified Plaque Index (MPI) on four surfaces around each attachment (mesial, distal, occlusal, and gingival). Following standardized oral hygiene instructions, participants brushed for 2 min with their assigned toothbrush. Patient- and tooth-level analyses were conducted to evaluate plaque reduction (ΔMPI), surface-specific differences, regional distribution, attachment type effects, and clinical response rates.
resultsFourteen patients and 244 teeth with attachments were evaluated. Significant reductions in plaque scores were observed from T0 to T1 in both groups across all regions (p < 0.05). No statistically significant differences were found between manual and powered toothbrushes in plaque reduction across any region or surface (all p > 0.05). Surface-based analyses showed non-uniform plaque distribution, with higher plaque levels on distal and gingival surfaces and lower levels on occlusal surfaces (p < 0.001). Plaque reduction was not significantly influenced by attachment type. Clinical response rates were comparable between groups.
conclusionsUnder standardized single-brushing conditions, no statistically significant difference was observed between manual and powered toothbrushes in plaque removal around attachments in patients with clear aligners. These findings suggest that plaque removal may depend more on brushing technique and surface accessibility than on toothbrush type.
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