Dr. Rosanna Porretta


Black Triangle Disease

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If you have “black triangle disease”, read this…

Black triangles are spaces in between an individual’s teeth caused by gum recession, periodontal disease and/or abusive dentistry. The empty spaces used to be filled with gum tissue known as papilla. When these tissues recede or is lost, black triangles start to form. These become more apparent as the patient becomes older.

These are usually caused by the following but not limited to:

  • Gum disease
  • Acute trauma or dental injury to the gum
  • Aggressive flossing
  • Misplaced teeth
  • Forced flossing of the gums and teeth


Types of Gum Tissue prone to Blank Spaces

There are normal dissimilarities with the thickness and the resistance to receding gum tissue. Some patients have a “thick biotypes” – which is very unlikely to for the gums to recede and others have a “thin biotype”, gums that are very susceptible to gum recessions. These type of gums need extra care when doing cosmetic bonding to limit or avoid tissue loss.

HOWEVER  if some or more tissue has been lost, the spaces in between the teeth can still be closed by an experienced cosmetic dentist working alongside with a high end lab technician.


Treatment for Black Triangle Disease varies on what is causing the patient’s gum to recede. Patients who are experiencing black triangles must seek their dentists right away. The dentist will then identify what type of gum disease is causing the black triangles and ensure that the patient’s periodontal condition is under control.

If the Black Triangles are caused by having small teeth or crooked teeth, your dentist will fill up the space by using dental veneers, crowns or even orthodontics.

If the Black Triangles are caused by receding gums, gum rejuvenation is a procedure that dentists will use to treat a patient’s black triangle. This method gives patient’s the ability to restore their gums without having to undergo any surgery.


Give us a call!

If you are experiencing any symptoms related to black triangle disease, please give us a call (289) 206-0095 and we’d be more than happy to assist and offer various options to get it treated right away.