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Port Dover Family Dentistry
Dentist discussing replacement of an old filling with a patient in Port Dover

Port Dover Family Dentistry

Replacement of Old or Stained Fillings in Selkirk

Dark, worn or leaking fillings can sometimes be replaced with tooth-coloured materials. Selkirk patients can learn when replacement makes sense in Port Dover.

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Serving patients from Selkirk at our Port Dover office

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Updating older restorations

Not every old filling needs replacing, but some do.

Fillings do not last forever. Over time, they can wear, chip, discolour or develop gaps at the edges where decay can start. Older silver amalgam fillings may also look dark through the tooth, which bothers some people cosmetically. Replacing a filling removes some tooth structure each time, so the decision should be made thoughtfully.

If you are in Selkirk and have fillings that look stained or feel rough, the dentist at our Port Dover office can examine them and explain whether replacement is advisable for health reasons, cosmetic reasons or both. Sometimes monitoring an intact filling is the more conservative and sensible choice.

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Dentist showing an adult patient an educational model of an older dark dental filling

Assessing the filling

The condition of the filling guides the decision.

  • Signs a filling is failing

    Cracks, chips, worn areas, gaps or dark lines at the edges, decay underneath and sensitivity or pain around a filling are reasons to consider replacement. X-rays may reveal decay not visible in the mouth. Food catching repeatedly or a rough edge your tongue notices can also suggest the filling is breaking down and may need attention.

  • When monitoring may be better

    An older filling that is intact, sealed and causing no problems may not need replacing simply because of its age. Each replacement removes a little more of the tooth and carries a small risk of irritating the nerve. The dentist will explain the condition of each filling and whether replacing it now offers a real benefit.

Cosmetic concerns

Appearance is a valid reason, with some caveats.

Dark or stained fillings

Amalgam fillings can make teeth look grey, and older composite fillings may stain or yellow over time. If these are visible when you smile or talk, replacing them with tooth-coloured composite or porcelain may improve the appearance. The dentist will discuss whether the improvement is likely to be noticeable and worthwhile for each tooth.

Setting realistic expectations

Tooth-coloured materials can blend well, but they may also stain gradually. Very large fillings might be better replaced with an onlay or crown for strength. If you plan to whiten your teeth, it is usually best to do so before replacing visible fillings so the new material can match the lighter shade.

The procedure

Replacement follows a careful process.

  1. Removing the old filling

    The tooth is numbed and the old filling is removed. Any decay found underneath is cleaned out. Sometimes the cavity is larger than expected once the old material is removed, and the dentist may discuss whether a filling is still the best option. Precautions are used to manage debris during removal of older materials.

  2. Placing the new restoration

    A new tooth-coloured filling is placed and shaped to restore the tooth, or impressions are taken for an inlay, onlay or crown if more coverage is needed. The bite is checked and the restoration polished. Mild sensitivity for a short period is common, but contact the office if it persists or worsens over the following days.

Looking after it

Care helps new fillings last longer.

Settling in

Wait until numbness fades before eating to avoid biting your lip or cheek. If your bite feels high or uneven once the anaesthetic wears off, call the office so it can be adjusted. Some temperature sensitivity may occur for a short time, especially with deeper fillings, and usually settles as the tooth recovers.

Maintaining your fillings

Brush twice daily, clean between teeth and limit frequent sugary snacks to protect the edges of the new fillings. Avoid biting ice or hard objects. Regular checkups allow the dentist to monitor all your fillings and recommend replacement only when there is a clear reason, helping preserve as much natural tooth as possible.

Planning your appointment

Reviewing your fillings from Selkirk.

Book an exam at our Port Dover office and mention the fillings that concern you. The dentist can assess their condition and explain whether replacement is recommended now or later.

If you plan to whiten your teeth, mention it, so the order of treatment can be planned to match colours properly.

Port Dover Family Dentistry

697 Norfolk County Hwy 6, Unit 2, Port Dover, ON N0A 1N2
519-583-2929Directions to our office (opens in a new tab)Office hours & contact details

Before you book

Filling replacement questions

Have a question about your situation? Our team can help you plan a visit.

Should I replace all my silver fillings?

Not necessarily. Intact fillings without decay or damage may be fine to leave in place. Each replacement removes some tooth structure. The dentist will assess each filling and recommend replacement only where there is a health or cosmetic benefit.

How do I know if a filling is failing?

Signs include cracks, chips, dark lines at the edges, food catching, sensitivity or pain. Some problems are only visible on X-rays. Regular checkups allow the dentist to spot issues early, before larger repairs or root canal treatment become necessary.

Will a new filling match my teeth?

Tooth-coloured materials are shaded to blend with your teeth. If you plan to whiten, do it first so the new filling can match the lighter shade. The dentist will discuss colour matching during the appointment so you know what to expect.

Is replacing old fillings painful?

The tooth is numbed, so most people feel pressure rather than pain. Some sensitivity afterward is common and usually settles within days. Contact the office if discomfort persists or increases, as the tooth may need to be checked.

Can a large old filling be replaced with something stronger?

Yes. If the filling is very large or the tooth is weakened, an inlay, onlay or crown may be recommended for better long-term protection. The dentist will explain why, and compare the options with you before treatment.

Recognized year after year

Winner of the Three Best Rated Award

Best Dentists in Norfolk

Proudly recognized among Norfolk’s top-rated dental practices for six consecutive years.

  • Three Best Rated Best Business of 2021 Excellence award

    2021 Winner

  • Three Best Rated Best Business of 2022 Excellence award

    2022 Winner

  • Three Best Rated Best Business of 2023 Excellence award

    2023 Winner

  • Three Best Rated Best Business of 2024 Excellence award

    2024 Winner

  • Three Best Rated Best Business of 2025 Excellence award

    2025 Winner

  • Three Best Rated Best Business of 2026 Excellence award

    2026 Winner

Stories from our patients

Comfortable care, shared in their own words.

Watch a patient’s experience and browse more five-star reviews from people who have visited our Port Dover dental clinic.

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Welcoming and Wonderful Practice

A patient shares the welcoming atmosphere and positive experience they found at our Port Dover office.

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New patients and CDCP patients are welcome. Tell us how we can help and our Port Dover dental team will follow up with you.

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