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What Are Black Triangles & How To Treat? | BEFORE & BEYOND EP9

In this episode of Before and Beyond, Dr Bernard Siew talks about black triangles, those little gaps between teeth near the gums. He explains why they happen and shares simple ways they can be treated to bring back your smile.

About The Video

Have you ever noticed small dark spaces between your teeth near the gum line? These are often called “black triangles”, and they can appear for different reasons, sometimes after braces, or as part of the ageing process. In this video, Dr Bernard Siew explains what causes them and how they can affect your smile and confidence.

He also takes you through the different treatment options that can help close these gaps. Whether it’s a gentle reshaping of the teeth, using a filling material to rebuild the area, or placing veneers, there’s often a solution that suits your needs and budget. Dr Bernard explains everything clearly so you can understand what’s possible and feel more confident about your dental health.

Black triangles are the small, dark spaces that can show up between your teeth near the gums. For some people, they appear after straightening their teeth with braces or Invisalign. For others, they develop over time as the gums naturally recede or bone levels change. While they’re usually not harmful, many people find them a bit annoying or feel self-conscious about them.

Dr Bernard explains that these gaps form when the gum doesn’t fill the space fully especially if the contact point between the teeth is too far from the bone underneath. The good news is there are safe and reliable ways to fix this. Treatments include gently reshaping the teeth, adding a tooth-coloured filling (composite resin), or even using veneers for a long-lasting solution. Each option is tailored to suit your smile and what you feel comfortable with. You're not stuck with black triangles and something can definitely be done.