Patient Education

Tooth Sensitivity

Why teeth become sensitive to hot, cold, or sweets — and what it might be telling you.

What Causes Sensitivity?

Tooth sensitivity usually happens when the protective enamel on your teeth wears thin, or when gums recede and expose the softer, more nerve-rich layer underneath. Common triggers include hot or cold food and drinks, sweets, and even cold air. Brushing too hard, teeth grinding, acidic foods, and gum recession are frequent underlying causes — sensitivity itself is a symptom, not a diagnosis on its own.

When It's More Than Just Sensitivity

Mild, occasional sensitivity is common and often manageable with a few simple changes. But sensitivity that's sharp, lingers well after the trigger is gone, or is limited to a single tooth can point to something that needs a closer look, such as a cavity, a cracked tooth, or an exposed root. That kind of localized, persistent sensitivity is worth mentioning at your next visit rather than waiting it out.

What We Recommend

We'll start by identifying what's actually causing your sensitivity, since the right fix depends on the source. That might mean a desensitizing toothpaste, a fluoride treatment, adjusting your brushing technique, or treating a specific tooth if something more is going on. Bring it up at your next cleaning, or call us sooner if it's new, sudden, or isolated to one tooth.

Questions About This?

We're always happy to talk through your specific situation in more detail — call us or book a visit anytime.

MH

Dr. Hanrahan practices family and restorative dentistry at Lake Oswego Smiles, with an emphasis on thoughtful, conservative treatment.

Have a Question?

We're always happy to talk through anything you've read here in more detail.

Location

16699 Boones Ferry Road, Suite 200
Lake Oswego, OR 97035

Hours

Mon – Thu, 7am – 4pm
Fri – Sun, Closed

Contact

(503) 635-3653
office@oswegosmiles.com