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Port Dover Family Dentistry
Inlays and Onlays in Townsend
Inlays and onlays repair damage too large for a filling but not severe enough for a crown. Townsend patients can learn when they suit and what to expect.
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Caring for Townsend patients at our Port Dover office
Every dental service for TownsendBetween a filling and a crown
Some teeth need more than a filling but less than a crown.
Inlays and onlays are custom-made restorations, often porcelain or composite, that fit precisely into or over a damaged area of a back tooth. An inlay sits within the cusps, while an onlay extends over one or more of them. They can preserve more natural tooth than a crown while offering more strength than a large filling.
If a tooth with a large old filling or moderate decay is a concern for you in Townsend, our Port Dover office can assess whether an inlay or onlay would suit it. The dentist will look at how much healthy tooth remains, your bite and any cracks before recommending an approach.
When they are used
These restorations fill a middle ground.
Situations suited to inlays and onlays
Inlays and onlays may be recommended when decay or an old filling has left a sizeable gap in a back tooth, when a single cusp has broken away or when a tooth needs reinforcement without being fully covered. Because they are made outside the mouth and bonded in place, they fit precisely and can help hold the remaining walls of the tooth together under chewing pressure.
When a crown may still be needed
If a tooth has extensive damage, deep cracks or has had root canal treatment and become brittle, a crown may give better protection. The dentist will explain why one option is preferred over another, based on how much healthy tooth is left, where the damage sits and how much force that tooth has to handle when you bite.
Preparing the tooth
Preparation is designed to preserve healthy tooth.
Removing decay and old material
After numbing the area, the dentist removes any decay and old filling material, then shapes the cavity so the restoration can slide into place. Because inlays and onlays are bonded rather than relying only on shape for retention, the preparation can often be more conservative than for a crown. The aim is to keep as much sound enamel and dentin as possible.
Impressions and a temporary
Impressions or a digital scan are then taken so the restoration can be made to fit precisely, and a shade is chosen to match the tooth. A temporary filling protects the area until the final piece is ready. Avoid sticky or very hard foods on that side in the meantime, and call the office if the temporary loosens or the tooth becomes sore.
Bonding the restoration
Precise fitting helps the restoration last.
Checking fit and contacts
At the second appointment, the temporary is removed and the inlay or onlay is tried in. The dentist checks how closely it meets the edges of the tooth, how firmly it touches the neighbouring teeth and how it lines up with the opposing teeth when you close. Small refinements can be made at this stage before anything is permanently attached.
Bonding and polishing
The restoration is then bonded to the tooth with a strong adhesive and hardened with a curing light. Excess material is removed and the margins are polished smooth so they are easy to clean. Your bite is checked once more. Mild sensitivity for a few days is common and usually settles without any further treatment.
Long-term care
Good care helps the restoration serve for years.
Daily habits that protect the tooth
Brush twice daily and clean between your teeth every day, paying particular attention to the line where the restoration meets the natural tooth, since that is where new decay tends to start. Avoid chewing ice or very hard foods. If you grind your teeth at night, ask about a night guard, because heavy forces can chip porcelain or weaken the bond over time.
Monitoring at checkups
At regular checkups, the dentist will examine the margins for leakage, wear or early decay. Porcelain and composite restorations can last a long time with care, but none is permanent. Contact the office between visits if you notice sensitivity, a rough edge your tongue keeps finding or a change in the way your teeth come together.
Planning your appointment
Discussing inlays and onlays.
Call our Port Dover office at 519-583-2929 and mention the tooth you are concerned about. If another dentist has suggested an inlay, onlay or crown, bring their notes so the options can be compared.
Bring recent X-rays if you have them, and mention grinding, jaw discomfort or sensitivity in the area so the dentist can take them into account.
Port Dover Family Dentistry
697 Norfolk County Hwy 6, Unit 2, Port Dover, ON N0A 1N2519-583-2929Directions to our office (opens in a new tab)Office hours & contact detailsBefore you book
Questions about inlays and onlays
Have a question about your situation? Our team can help you plan a visit.
What is the difference between an inlay and an onlay?
An inlay fits within the grooves and between the cusps of a back tooth, while an onlay covers one or more cusps as well. The choice depends on how much of the tooth is damaged and which areas need reinforcement to withstand chewing.
Are inlays and onlays better than fillings?
For larger areas of damage, they can provide more strength and a more precise fit than a direct filling. For small cavities, a regular filling is usually all that is needed. The dentist will recommend what suits the size and location of the problem.
How long do inlays and onlays last?
With good care, they can last many years. Lifespan depends on the material, your bite, grinding habits and how well the edges are cleaned. Regular checkups help catch wear or leakage early so small issues can be addressed before they grow.
Will I need two appointments?
Typically, yes. The first visit prepares the tooth and records its shape, and the second bonds the finished restoration. A temporary filling protects the tooth in between, so treat it gently until the final restoration has been placed.
Can an onlay replace the need for a crown?
In some cases, yes. An onlay can protect weakened cusps while keeping more natural tooth than a crown would. If the damage is extensive or the tooth is cracked, however, a crown may still be the safer long-term choice.
Compare other restorations
General Dentistry →Composite Fillings →
Composite fillings repair cavities with tooth-coloured material. Townsend patients can learn how they are placed, when they suit and how to look after them.
Dental Crowns →
A crown covers and strengthens a damaged or heavily filled tooth. Townsend patients can learn when crowns are advised, how fitting works and how to care for them.