
Closing Black Triangles on Lower Front Teeth (Bioclear)
Dark black triangles between the lower front teeth closed with the Bioclear method — a conservative, no-drilling before-and-after result.
Bioclear Black Triangle Closure — Lower Front Teeth
Small dark gaps near the gumline of the lower front teeth — known as "black triangles" — were closed using the Bioclear Method, a modern, no-drilling approach to black triangle closure in Maspeth, Queens. Heated, injection-molded composite is shaped with clear matrices to rebuild smooth, natural contours and eliminate the dark spaces.
Black triangles are the open spaces that can appear between teeth near the gumline, often after gum changes, crowding, or orthodontic treatment. The Bioclear Method uses clear, anatomically shaped matrices and warmed composite to wrap and reshape the teeth, closing the gaps without drilling away healthy tooth structure. The result is a smoother, more even row of lower teeth that is easier to keep clean.
Assessment of the black triangles between the lower incisors
Cleaning and preparation of the tooth surfaces
Bioclear matrices placed to shape injection-molded composite
Final contouring, finishing and polishing
The Bioclear Method closes black triangles conservatively — without drilling — while creating cleansable, natural contours that resist staining.
Q1. What causes black triangles between teeth?
They are usually caused by gum recession or changes in tooth shape and position, which leave a small open space near the gumline.
Q2. How is the Bioclear Method different from regular bonding?
Bioclear uses clear, pre-shaped matrices and warmed, injection-molded composite to wrap the tooth and close gaps with smooth, cleansable contours — without drilling.
Q3. Is closing black triangles permanent?
Bioclear composite is durable and long-lasting. Like any dental work, it benefits from good oral hygiene and regular checkups.
Related treatment resources
For treatment context, explore Bioclear black triangle closure, composite bonding, Bioclear Method for black triangles, black triangle closure for lower front teeth.







