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What are Dental Onlays?

Dental Onlays Montreal

You’ve come to see us for your cleaning and examination appointment, where we’ve gathered all the information we need for Dr. Slepchik to prepare your specific dental treatment plan.  We must also consider how we get to the final result when choosing what treatment to do.  When we see teeth that has cuspal breakdown, there are 2 options : a crown or an onlay. Your cusps are the main contribution to chewing;  if they are broken down or weakened, they must be reinforced and strengthened.

You may be wondering how we choose to do either a crown or an onlay.   A crown covers the tooth completely;  an onlay covers only the chewing surface of the tooth. In short, an onlay preserves the tooth’s natural structure while protecting the tooth from chewing and grinding forces. In today’s dentistry, our goal is to always be as minimally invasive as possible.  This philosophy of  minimally invasive dentistry makes an onlay the best choice where it is possible.

Onlay Procedure

The onlay procedure requires two separate dental appointments. In the first appointment, all decay is removed and we take an impression of the tooth using our Itero system  (a digital impression system which means no goop in the mouth for you).  This impression is sent directly to our lab. You will leave our office with a temporary tooth.  This temporary functions as a real tooth so that your smile looks nice and functions well.  When the onlay is ready, you will return for your second appointment. This appointment is about 2 weeks after your  first one. Now your onlay is cemented  permanently.

Benefits Of Onlays


An Onlay, which is bonded directly onto the tooth , can actually increase its strength. Onlays will often last between 10 and 30 years, depending on how well you take care of your mouth. (Flossing and brushing teeth regularly, keeping your recommended cleaning appointments with the hygienist). Our patients have had much success with this treatment.

Dental Onlays Before & After

dental onlay before Before

dental onlay afterAfter

Results Of Onlays

dental onlays montreal


Onlays are a strong and stable option for minimal tooth reconstruction or filling. Regular brushing and flossing, as well as regular dental checkups, should be continued after the procedure is complete.

Schedule A Consultation


To learn more about Dental Onlays or to schedule a consultation, call Dr. Lenny Slepchik’s Montreal office at 514-875-7971.

Contact us to learn more about Onlays