If you search for advice on dental cleanings, you will often see a simple rule: visit the dentist every six months. That timeline works well for many people, but it is not the best answer for everyone. Your ideal cleaning interval depends on your gum health, cavity risk, home care habits, and medical history. Here is a clear guide to help you decide how often to book cleanings, plus signs that you may need them more or less frequently.
The classic answer: every six months
For healthy adults and teens with low to moderate risk, a cleaning and checkup every six months is a proven schedule. Twice-yearly visits remove plaque and tartar you cannot reach at home, catch early cavities, and monitor the health of your gums. If your exams are stable and you rarely get new issues, six months is a sensible default.
When three to four months is better
Some patients benefit from more frequent cleanings. You may be a good fit for a three or four month interval if any of these apply:
- You have a history of gum disease or have had deep cleaning in the past
- You notice bleeding when brushing or flossing
- You have diabetes or another condition that affects healing
- You smoke or vape
- You build tartar quickly even with good brushing
- You wear braces or clear aligners that trap plaque around attachments
- You have dry mouth from medications or sleep with your mouth open
- You are pregnant and have new gum tenderness or swelling
Shorter intervals reduce inflammation, lower the bacterial load that drives gum disease, and help maintain results after periodontal therapy. Think of these visits as maintenance for your gums, much like oil changes for a car. Regular attention prevents bigger repairs later.
When nine to twelve months may be enough
A minority of patients can go longer between cleanings without harm. This usually applies to people who:
- Have minimal plaque and tartar at each visit
- Have no bleeding on probing and stable gum measurements
- Maintain excellent home care and a low sugar diet
- Have no recent history of cavities or gum disease
- Do not smoke and have no dry mouth
Even if you fit this group, we still recommend at least one exam per year so we can screen for oral cancer, check restorations, and review bite changes.
How your hygienist decides
At St. Andrew’s Dental Centre in Aurora, we set cleaning frequency using a few objective measures:
- Gum measurements. We chart pocket depths around each tooth. Pockets of four millimetres or more, bleeding points, and recession are signs that you may benefit from closer intervals.
- Plaque and tartar levels. Heavy buildup that returns quickly signals a need for more frequent care.
- Cavity risk. Recent decay, high sugar frequency, weak enamel, and dry mouth raise your risk.
- Home care. Consistent brushing and flossing, or use of interdental brushes and water flossers, supports longer intervals.
- Medical history. Diabetes, autoimmune conditions, pregnancy, and some medications change the risk profile.
We combine these factors with your goals and comfort to create a schedule that suits you.
Why frequency matters
Plaque is a soft bacterial film that forms every day. If it stays on teeth, it mineralizes into tartar, which is hard and irritates the gums. Your toothbrush and floss cannot remove tartar. It must be scaled by a hygienist. Leaving tartar in place leads to gum inflammation, bone loss, and loose teeth. Regular cleanings interrupt this cycle before it causes permanent damage.
Cleanings during orthodontic treatment
Braces and clear aligners collect more plaque. Brackets and wires create corners that are hard to access. Aligners and attachments increase retention around the gumline. Most orthodontic patients do well with three or four month hygiene visits until treatment is complete. This schedule protects gums and helps avoid decalcification marks on enamel.
Cleanings after periodontal therapy
If you have been treated for gum disease with deep cleaning, you enter a maintenance phase. Pockets that once held infection need frequent disruption of plaque to stay healthy. Three month intervals are common for the first year. If measurements remain stable and bleeding is minimal, we may extend to four months later. Sticking to this plan is the single most important step to prevent gum disease from returning.
What about kids
Children with healthy gums and no active decay are usually fine with six month cleanings. Kids with braces, frequent snacks or sugary drinks, or early signs of gingivitis may need visits every three or four months for a period of time. Sealants and fluoride can be coordinated with these visits to lower cavity risk.
Insurance and benefit timing
Many plans cover cleanings at set frequencies, often every six or nine months, and limit the number of scaling units per year. If your gums need extra care, we will explain your options and help you plan visits to make the most of your benefits. For patients using the Canadian Dental Care Plan or other public programs, we will verify eligibility and map a schedule that respects frequency rules while protecting your health.
Signs you should come in sooner
Call us to advance your cleaning if you notice:
- Bleeding when you brush or floss that lasts more than a week
- Puffy or tender gums
- Bad breath that does not improve with brushing and flossing
- A rough edge or ledge you can feel with your tongue
- New spaces opening between teeth
- Teeth that feel loose or a change in your bite
These changes suggest gum inflammation or tartar buildup that needs attention.
How to stretch your results at home
Good habits let you maintain comfort and extend the time between visits when appropriate.
- Brush twice daily with a soft brush angled at the gumline
- Use fluoride toothpaste and spit, do not rinse right away
- Clean between teeth every day with floss or interdental brushes
- Add a water flosser if you have bridges, implants, or braces
- Limit frequent sipping of sweet or acidic drinks
- Rinse with water after coffee, tea, wine, or snacks
- Replace your brush every three months or after illness
Small daily steps make professional cleanings faster, easier, and more comfortable.
What a typical cleaning includes
A professional hygiene visit is more than polishing. Expect:
- A review of your health changes and goals
- Gum measurements and charting as needed
- Removal of tartar above and below the gumline
- Polishing to smooth surfaces and lift surface stains
- Fluoride when indicated for sensitivity or decay risk
- Photos or digital X-rays when needed for diagnosis
- Personalized coaching on technique and tools that fit your mouth
You will leave with a simple plan that focuses on the areas that need the most help.
The bottom line
There is no single answer for how long to wait between cleanings. Six months is a solid starting point for many people. Three or four months is better if you have gum disease, heavy tartar, braces, dry mouth, or certain medical conditions. Nine to twelve months can work for a small group with very low risk. The best schedule is the one that keeps your gums healthy and your smile comfortable year after year.
Ready to set the right interval for you
If you are unsure how often you should book cleanings, we can help. Our team will assess your gums, review your risk factors, and create a clear plan that matches your needs.
Call St. Andrew’s Dental Centre in Aurora at 905 727 4243 or visit us at 2 Orchard Heights Blvd, Suite 33. Book your cleaning today and keep your smile healthy on a schedule that works for you.