Almost everyone has heard you should see a dentist “every six months.” It is a reasonable default — but it is a rule of thumb, not a clinical law, and the right answer genuinely varies from person to person. Here is what the evidence says, and how Montgomery County families can set a schedule that fits real life.

The honest answer: it depends on risk

The American Dental Association is careful on this point. It recommends regular dental visits “at intervals determined by a dentist,” tailored to each person’s oral health and history — not a single fixed cadence for everyone (ADA / MouthHealthy). Twice a year suits a lot of people. But higher-risk patients often benefit from more frequent visits, while some low-risk adults do fine with one cleaning a year.

What pushes you toward more frequent visits? A history of cavities or gum disease, smoking, diabetes, pregnancy, a dry mouth from medications, or simply teeth that tend to build tartar quickly. Your dentist should set your interval deliberately, not by reflex.

Dental-visit frequency by risk level A spectrum from lower-risk patients, who may need roughly one to two visits a year, to higher-risk patients, who often benefit from three or four visits a year. How often, really? Lower risk Higher risk ~1–2 visits/year ~3–4 visits/year • No recent cavities • Healthy gums • Good home care Gum disease or frequent cavities • Diabetes, smoking, pregnancy • Dry mouth or heavy tartar •
Frequency should track your risk, and risk changes over time. The point of regular visits is to catch problems while they are small and cheap to fix.

Kids: start early, then settle into a rhythm

For children, the early timeline is well established. The ADA and the American Academy of Pediatric Dentistry advise a first dental visit by the first birthday, or within six months of the first tooth — earlier than most parents expect (ADA / MouthHealthy). The goal is less about deep cleaning and more about building comfort, catching early decay, and coaching parents on brushing and fluoride.

After that, most healthy kids settle into twice-yearly visits. Two Montgomery County notes worth pairing with those checkups:

  • Ask whether your child is on track for an orthodontic screening by age 7, which the American Association of Orthodontists recommends while the jaw is still growing (AAO).
  • A family-friendly dentist makes all the difference for nervous kids. Dr. Susan Chang in Bethesda and Dr. Maria Wood in Chevy Chase are both known for the kind, unrushed style that keeps children coming back.
A dentist examining a patient during a routine checkup
Routine visits are mostly about prevention — finding small problems before they become root canals. (Image: Pexels)

What actually happens at a “checkup”

A routine visit usually bundles two things: a cleaning (removing plaque and tartar your toothbrush can’t) and an exam (checking for decay, gum health, and an oral-cancer screening). Periodically your dentist will take X-rays, which reveal decay between teeth and problems below the gumline that simply aren’t visible otherwise — the same imaging that lets an orthodontist see a developing bite before it becomes obvious.

A panoramic dental X-ray (orthopantomogram) showing the full upper and lower jaw
A panoramic X-ray shows what the eye can't — decay between teeth, bone levels, and developing or impacted teeth. (Image: Wikimedia Commons)

Building a family schedule that sticks

A practical approach for a Montgomery County household:

  • Default to twice a year for healthy adults and kids, then let your dentist adjust up or down based on what they actually see.
  • Stack appointments — many local family practices will see siblings back-to-back, and offices like Pike District Smiles in North Bethesda offer evening and Saturday hours that make this realistic for working parents.
  • Don’t skip the “free” visits. Most dental plans cover preventive cleanings and exams at or near 100%, so twice-yearly checkups usually cost you little or nothing — and they are how you avoid the expensive visits later.

Find a family dentist

Sources & further reading