### What Are Black Triangles Between Teeth? Black triangles, also known as open gingival embrasures, are gaps between your teeth where the gum tissue doesn't completely fill the space. While some gaps can be normal, new or widening gaps may indicate dental problems. ### Causes of Black Triangles 1. **Tooth Shape**: Teeth come in various shapes and sizes. If your incisors are narrower at the gum line than at the biting surface, you may develop black triangles. 2. **Receding Gums**: Gum disease can cause your gums to recede, leaving empty spaces that look like black triangles. 3. **Aggressive Dental Hygiene**: Brushing or flossing too hard can damage the tissue between your teeth, leading to gaps. 4. **Orthodontic Treatment**: Braces and other treatments can shift teeth, creating gaps that may need further treatment. 5. **Bone Loss**: Conditions like osteoporosis and severe gum disease can cause bone loss, leading to receding gums and black triangles. ### Risks and Health Effects Black triangles are usually a symptom of underlying health issues like gum disease or bone loss rather than a cause. If you notice new gaps, consult your dentist to identify and treat the underlying condition. ### Treatment Options 1. **Careful Brushing and Flossing**: Follow the American Dental Association's guidelines to avoid damaging your gums. 2. **Treating Gum Disease**: Professional treatment can help your gums heal and refill the gaps. 3. **Orthodontic Treatment**: Braces can help bring teeth closer together to fill gaps. 4. **Dental Resin or Veneers**: These can fill or cover gaps, improving the appearance of your smile. 5. **Grafting Tissue**: In severe cases, surgery may be needed to graft additional tissue to your gums or bone. ### Prevention Tips 1. **Floss Gently**: Avoid putting pressure on your gums to prevent irritation and recession. 2. **Use Soft-Bristle Toothbrushes**: These are gentler on your gums. 3. **Avoid Risk Factors for Gum Disease**: Maintain good dental hygiene and avoid smoking to keep your gums healthy.