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4939 Junipero Serra Blvd, Colma, CA 94104
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For the safety of our patients and the dental team, we are following the California Dental Association guidelines to suspend non-essential and non-urgent dental care for the next few weeks starting March 17 to April 30, or until further notice. If a patient is in pain, please email: Samuelwongdds@gmail.com or call the office and leave a message @ 650-755-4050. Dr. Wong or one of the team members will get back to you as soon as possible.

Dental Crown Lengthening


Dental Crown Lengthening at Samuel S. Wong, DDS
Crown lengthening (AKA: "crown-elongation" or "crown-extension") is a surgical procedure that is done when the tooth is too short to provide adequate retention for a restoration (usually a crown).

When a tooth has a deep cavity, a crown and buildup are usually needed to restore the tooth. If the cavity extends too far below the gums, it becomes impossible to predictably make a crown that will last for any length of time. Performing crown lengthening where indicated improves the prognosis for the tooth.

Crown lengthening nearly always involves removing and recontouring some of the bone around the tooth. This results in more tooth structure above the gums and smooth flowing gum contours. Not every tooth that needs a crown also needs crown lengthening surgery, it is only necessary when a deep cavity or crack is present.

Reasons for Crown Lengthening
•  To be able to keep a tooth that would otherwise be removed
•  Provide gum contours that make the tooth easy-to-clean again
•  Improve the appearance of the gum line (in some cases)
•  Provide a restored tooth that lasts longer

What Does Crown Lengthening Involve?
First, the dentist or periodontist will thoroughly numb the tooth or teeth needing crown lengthening. During this procedure, excess gum and bone tissue is reshaped to expose more of the natural tooth. After the procedure your dentist can now prepare the tooth for a functional, long lasting crown. As always, proper brushing and flossing is key to insuring the maximum life of your new crown.

4939 Junipero Serra Blvd, Colma, CA 94104
Call Us (650) 755-4050
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Saturday: Some Saturdays
8:30AM–12:00PM
8:30AM–6:30PM
8:30AM–5:00PM
9:00AM–5:00PM
8:30AM–5:00PM
8:15AM–4:30PM
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