History of the Toothbrush: From Chew Sticks to Smart Brushes

Timeline

• ~3000 BC (Egypt): Chew sticks (frayed twigs) + tooth powder (ash, pumice, eggshell).
• ~1600 BC (China): Chew sticks from aromatic trees; early bristle brushes (hog hair on bamboo/bone) by Tang Dynasty (619–907 AD).
• ~500 BC (Greece/Rome): Toothpicks, powders (bone, oyster shell).
• 1498 (China): First recorded bristle toothbrush (hog hair on bone/bamboo handle).
• 1780 (England): William Addis mass-produces bone-handle, boar-bristle brush in prison.
• 1844 (USA): First 3-row bristle brush (Dr. Meyer Rhein).
• 1938: DuPont introduces nylon bristles (Dr. West's Miracle-Tuft).
• 1954 (Switzerland): First electric toothbrush (Broxodent).
• 1960s: Rechargeable electric, angled heads, indicator bristles.
• 1980s: Sonic vibration (Sonicare), rotational-oscillation (Braun/Oral-B).
• 2000s+: Smart brushes (pressure sensors, Bluetooth, AI coaching), eco-friendly handles (bamboo, recycled).

Evolution of Toothpaste

• Ancient: ashes, crushed bone, herbs, honey.
• 1800s: Soap, chalk, betel nut.
• 1873: Colgate mass-produces jarred paste.
• 1892: Tube packaging (Dr. Sheffield).
• 1914: Fluoride added (ADA approved 1960).

Modern oral hygiene combines evidence-based brushing technique (2 min, 2×/day, 45° angle, gentle circles) with fluoride toothpaste and interdental cleaning.