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Advantages & Disadvantages Of Dental Inlays And Onlays

Terra Dental Care
Advantages & Disadvantages Of Dental Inlays And Onlays

Dental cavities are filled, and a tooth is cemented using inlays and onlays. It is an alternative to direct restoration built up in the mouth using composite, amalgam, or glass ionomer. When a tooth is severely damaged, it is applied to the wisdom teeth or permanent teeth. 

An inlay covers the chewing surfaces in between the cusps while also incorporating the tooth's pits and fissures, while an onlay will have one or more cusps covered. If the complete surface is covered, it is called a dental crown. 

If you want to restore your damaged teeth, consult a dentist near you and consider which treatment option is best for you to regain your smile.


An indirect restoration known as an inlay is attached directly to the tooth's structure without a cuspal covering. Weakened teeth, multiple fractured teeth, and teeth that don't need cuspal coverage can all be restored with inlays.


Inlays are used to restore severely damaged or decayed teeth. It have many advantages that include; 

  • Inlays made of gold are strong and durable and have phenomenal longevity. 
  • Gives natural look to the teeth and enhances facial aesthetics
  • Compared to other traditional fillings, ceramic inlays have better physical properties. 
  • They are custom-made so it is easier for dentists to achieve better counters, contact points, and occlusion. 
  • Less microleakage and post-operative sensitivity 


Normal drawbacks of inlays are;

  • More expensive
  • Lengthier process
  • Complications like marginal leakage
  • Difficult to determine the absence of undercuts
  • Dental fillings like composite or ceramic inlays are not strong enough
  • Possibility of losing vitality with tooth removal 
  • Ceramic fillings can be brittle
  • Restoring and repairing inlays is complicated and difficult.


An indirect restoration is achieved by filling and covering the gaps left by the missing cusps. The other option to completely eliminate cusps is dental crowns, which allow for the preservation of tooth structure. Onlays are considered when a tooth's structure needs to be protected without further tooth tissue removal. 


  • It reduces the likelihood of tooth decay by helping to seal the damaged area. 
  • They are made of strong materials which makes them stable and long-lasting 
  • A long-term solution to improve the efficiency of teeth
  • Onlays help to preserve tooth structure and enhance the facial appearance
  • Comfortable and safe 
  • Certain materials used to fill in the cavities give a natural appearance to the teeth 


  • Time-consuming 
  • Expensive 
  • may fracture or chip the teeth
  • Sensitivity concerns
  • Possibility for allergic reactions
  • Complicated treatment 

What to expect

There are numerous similarities between dental inlays and onlays, like the fact that both procedures entail filling cavities and removing the decay. The way these spaces are filled is the main difference between the two methods.

The traditional method involves filling the gap with composite materials. Due to the fact that it only requires one visit, this process is quicker. Normally, inlays and onlays involve two visits to complete the treatment.

Who is eligible for this treatment

These procedures may be an option for someone with extensive tooth decay. Additionally, there should be sufficient tooth structure left behind for inlays and onlays to support the restoration. 

Following the procedure, you must be committed to maintaining good dental hygiene. Brush and floss your teeth every day to keep your inlays or onlays looking good and lasting a long time. 

If you have decayed or broken teeth, you can search for a dentist who offers dental inlays and onlays near you. They can help you take care of your oral health and prevent further decay and damage to the teeth. 

Benefits of inlays and onlays 

Inlays are durable and strong dental restorations because they have a solid foundation made of materials like porcelain. As they are durable, normal daily routines won't damage them or cause them to move from their actual positions. 


The porcelain material makes the teeth look more natural and enhances facial aesthetics. treatment, which results in long-lasting restoration. It is suggested that patients who are sensitive or allergic to particular materials have their teeth restored with high-noble alloy materials. It is specifically made to protect tooth structure and strengthen repaired teeth. The disadvantage of the treatment is that it is expensive and that its use is limited by aesthetics.

Dental inlays and Onlays in downtown Calgary

If you have a cavity or broken or damaged teeth, it is important you seek treatment immediately. Our dentist in downtown Calgary  helps patients with such concerns and guides them as to which dental treatment is the best fit for the restoration. Visit our clinic and get a wide range of quality services to maintain your oral health. 

Contact our dentist in downtown Calgary and schedule your appointment to know more about dental restoration options or to get your inlays or onlays done.

Terra Dental Care
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