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Age-stratified associations of oral hygiene care with dental caries and periodontitis: cross-sectional analysis of seventh Korea national health and nutrition examination survey.

Clinical oral investigations · Cho JY, Park EY, Hong SH, Kim EK · 2026-08-19

Toothbrushing frequency was linked to tooth decay primarily in those aged 60 years or over, while not using dental floss was associated with periodontitis across all ages, with the strongest connection in younger people.

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