"Abrasion typically results from brushing with a hard toothbrush in a horizontal motion, which wears down the enamel, especially near the neck of the tooth on the cheek side," Dr. Reddy notes.

Tooth abrasion, i.e. brushing too hard, is another cause of sensitive teeth. "Over time, brushing too aggressively can cause the tooth to wear down, removing the enamel and exposing the dentine, ...

Overbrushing or brushing using an improper technique can also extensively damage your teeth. Using a hard toothbrush in a ...