General dentistry
Dental fillings in Valleyfield and Vaudreuil-Dorion
A dental filling repairs a tooth damaged by a cavity or a small fracture: the dentist removes the decayed part, then rebuilds the tooth with a tooth-coloured composite resin bonded to the enamel, in a single visit under local anesthesia.
At a glance
| Duration | 20 to 60 minutes depending on size |
| Anesthesia | Local |
| Number of visits | 1 visit |
| Back to normal | Right away (wait until the numbness wears off to eat) |
| Lifespan | 7 to 15 years depending on hygiene and location |
Offered in Valleyfield and Vaudreuil-Dorion, 7 days a week in Valleyfield and Monday to Friday in Vaudreuil-Dorion. Phone: 514-533-3368.
Dental fillings: what you need to know
A cavity never heals on its own. Bacteria dissolve the enamel, then the dentin underneath, and the closer they get to the nerve, the more complex the treatment becomes. A filling done early stops the process, protects the tooth and avoids a root canal or a crown later on.
At Go Dentiste, we use composite resins that match the colour of your tooth, bonded with modern adhesives. The result is invisible, preserves more healthy tooth than the old amalgam fillings, and can be done the same day as your exam when the schedule allows, in Valleyfield or Vaudreuil-Dorion.
Signs that you may need a filling
- Sensitivity to sweets, cold or heat on one specific tooth
- A dark spot, a hole or a rough edge you can feel with your tongue
- Food that keeps getting stuck in the same place
- A chipped corner or a small crack after biting something hard
- An old filling that is worn, broken or has a gap around its edges
How the treatment works, step by step
1. Diagnosis
The dentist confirms the cavity with the exam and an X-ray, checks how deep it is and makes sure the nerve is not affected.
2. Local anesthesia
A topical gel numbs the gum, then a local anesthetic makes the tooth completely numb. For very small cavities, anesthesia is sometimes unnecessary.
3. Removing the decay
The decayed tissue is removed with a small rotary instrument, keeping as much healthy tooth as possible.
4. Preparation and bonding
The cavity is cleaned, the enamel is etched and a bonding agent is applied so the composite adheres firmly.
5. Placing the composite
The resin is placed in thin layers, each hardened with a blue light, and sculpted to restore the natural shape of the tooth.
6. Adjustment and polishing
The bite is checked and the filling is polished so it feels smooth and blends with the surrounding tooth.
Benefits
- Stops the cavity and protects the tooth from further damage
- Invisible, tooth-coloured result
- Preserves more of the natural tooth than older techniques
- Done in a single visit, often the same day as the exam
- Covered by most insurance plans and the CDCP; by the RAMQ for children under 10
After the treatment: advice
- Avoid chewing on the numb side until sensation returns, to avoid biting your cheek or tongue
- You can eat as soon as the anesthesia wears off; composite hardens immediately
- Mild sensitivity to cold for a few days is normal and fades on its own
- If the filling feels too high when you bite, call us: a quick adjustment fixes it
- Brush and floss the filled tooth like any other tooth
Alternatives and options
When the cavity is very large or the tooth is weakened, an inlay/onlay or a crown protects the tooth better than a large filling. If the decay has reached the nerve, a root canal treatment is required before restoring the tooth. Silver amalgam fillings remain an option in some cases, but composite is our first choice for its appearance and conservative preparation.
Dental fillings in Valleyfield and Vaudreuil-Dorion
Go Dentiste Valleyfield
Address:
785 Monseigneur-Langlois Boulevard
Salaberry-de-Valleyfield, Quebec J6S 0B1
Opening hours
| MondayMon | 8 a.m. – 5 p.m. |
|---|---|
| TuesdayTue | 8 a.m. – 7 p.m. |
| WednesdayWed | 8 a.m. – 5 p.m. |
| ThursdayThu | 8 a.m. – 5 p.m. |
| FridayFri | 9 a.m. – 2 p.m. |
| SaturdaySat | 9 a.m. – 2 p.m. |
| SundaySun | 9 a.m. – 2 p.m. |
Phone: 514-533-3368
Go Dentiste Vaudreuil-Dorion
Address:
275 Harwood Boulevard
Vaudreuil-Dorion, Quebec J7V 1Y3
Opening hours
| MondayMon | 9 a.m. – 4 p.m. |
|---|---|
| TuesdayTue | 9 a.m. – 4 p.m. |
| WednesdayWed | 9 a.m. – 4 p.m. |
| ThursdayThu | 9 a.m. – 4 p.m. |
| FridayFri | 9 a.m. – 4 p.m. |
| SaturdaySat | Closed |
| SundaySun | Closed |
Phone: 514-533-3368
Frequently asked questions about dental filling
Does a white filling last as long as a silver one?
Modern composite fillings last many years, comparable to amalgam in small and medium cavities, provided oral hygiene is good. For very large fillings on molars, the dentist may recommend a crown or an onlay instead.
Is getting a filling painful?
No. The tooth is numbed with local anesthesia. You may feel pressure or vibration, but no pain. Mild sensitivity in the days that follow is normal.
How much does a filling cost?
The cost depends on the size of the filling and the number of surfaces involved. You receive a written estimate before treatment; most insurance plans and the CDCP cover fillings, and the RAMQ covers them for children under 10.
Should all my old amalgam fillings be replaced?
Not automatically. An amalgam filling in good condition can stay in place. It is replaced when it is broken, leaking or when decay develops underneath, or on request for cosmetic reasons after discussion with your dentist.
Can I eat after a filling?
Yes, once the numbness has worn off, usually within one to three hours. The composite is fully hardened when you leave the clinic.
Why is my tooth sensitive after a filling?
Sensitivity to cold or pressure for a few days to a few weeks is common, especially after a deep filling. If the pain increases or lasts longer, come back for a check: the bite may need adjusting.
Related treatments
See also: General dentistry · All our dental services · Emergency dentist
Book an appointment in Valleyfield or Vaudreuil-Dorion
New patients welcome, same-day emergencies. One phone number for both clinics.
Content prepared by the Go Dentiste team (Dr Dominic Morel-Maynard, general dentist and owner). Last updated: September 25, 2026. General information for guidance only: only an in-clinic exam can establish a diagnosis and a treatment plan suited to your situation.