What should I do if there is black discoloration between my teeth?

Teeth are our “second face.” During conversations, our teeth naturally become visible—yet darkened interdental spaces can cause significant concern. So, what should you do if your teeth appear dark between the gaps?

What to Do When Interdental Spaces Appear Dark

Darkening between teeth can often be addressed using dental floss for cleaning. This discoloration may result from pigment deposition or food impaction. In the most serious scenario, it may indicate interproximal caries—that is, decay occurring on the adjacent surfaces of two neighboring teeth. In such cases, a thorough clinical examination is essential to determine the underlying cause and guide appropriate treatment.

Dark interdental spaces generally stem from one of two causes. First, calculus (tartar) and extrinsic pigments may accumulate in the gaps over time without proper removal, leading to visible darkening—requiring professional dental cleaning and polishing. Second, interproximal caries may have developed, potentially affecting both adjacent teeth. Early restorative treatment (i.e., fillings) is recommended. If no pain is present, the pulp (nerve) is likely unaffected, and a single filling session may suffice. However, if the pulp is involved—manifesting as pain—root canal therapy will be necessary.

Consume more vegetables and fruits. Not only does this support general health, but it also helps prevent gingival inflammation and bleeding, thereby reducing the likelihood of interdental darkening. Overall, this dietary habit yields notably beneficial effects for oral health. We hope this information proves helpful!