Paediatric & MIH Study ✓ Peer reviewed

In Vitro Evaluation of Manual, Electric, and Sonic Toothbrushing on Composite Restoration Surface Properties and Retention in Primary Teeth.

Dentistry journal · Ludovichetti FS, Smania S, Comitale E, Rossi M, Magrin GL, Stellini E, Mazzoleni S · 2026-09-10

Researchers compared how manual, electric, and sonic toothbrushes affected composite restorations in primary teeth, finding that sonic brushing increased surface roughness more than other methods, but did not affect material hardness or restoration retention.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.

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