Black Triangle Correction in Brooklyn, NY

Closing the small dark gaps between teeth at the gumline, usually with bonding.

What Is Black Triangle Correction?

Black triangles are the small, dark gaps that can appear between teeth near the gumline. While often overlooked, these spaces can be a significant aesthetic concern for patients who are otherwise happy with their smile. Black triangles can result from gum recession, bone loss, tooth shape, orthodontic treatment, or the natural aging process. Beyond appearance, they can also trap food and make oral hygiene more challenging in the affected areas.

Black Triangle Correction: Quick Facts

Quick factTypical answer
Number of visits1
Time needed30 to 60 minutes per space
AnesthesiaUsually none
Recovery timeNone
How long it lastsSeveral years; bonding can be repaired or refreshed

These are typical ranges. Your own plan is confirmed after an examination.

Who Black Triangle Correction Is For

A black triangle forms when the gum tissue between two teeth no longer fills the space below their contact point. Correction is cosmetic, but it also removes a spot where food packs and plaque builds up.

  • Dark gaps that appeared after braces or aligners
  • Spaces that opened after gum recession or gum treatment
  • Food that catches between the same teeth after every meal
  • Triangular teeth that touch only at the tips
  • Healthy, stable gums with no active gum disease

Black Triangle Correction at Bensonhurst Dental Care

At Bensonhurst Dental Care, black triangle correction is performed by Dr. Marina Rubinshtein using advanced composite bonding techniques. The process involves carefully layering tooth-colored composite resin into the spaces between the teeth, filling the triangular gaps while maintaining a natural tooth contour. Dr. Marina’s artistic precision ensures the corrections blend seamlessly with the surrounding teeth, restoring a smooth, uniform appearance to the smile.

What to Expect, Step by Step

The procedure is minimally invasive and typically completed in a single visit. Because composite resin is applied directly to the tooth surfaces without the need for drilling or significant preparation, the natural tooth structure is fully preserved. Patients see immediate results with little to no discomfort, making black triangle correction one of the most straightforward yet impactful cosmetic treatments available.

  1. Evaluation. We measure the gaps, check gum health and confirm the gums are stable.
  2. Shade matching. Resin is matched to each tooth.
  3. Isolation. A thin clear matrix is placed between the teeth to shape the new contour.
  4. Bonding. Resin is layered to widen the tooth near the gumline and close the space.
  5. Polish and floss check. The area is polished and we confirm floss passes cleanly.

Ways to treat black triangles

ApproachHow it worksBest for
Composite bondingResin reshapes the sides of the teethMost small to moderate gaps
Porcelain veneersPorcelain changes the full shape of the teethGaps plus color or shape concerns
OrthodonticsTeeth are moved closer and reshapedGaps caused by tooth position
Gum graftingTissue is added where gums have recededSelected cases of recession

A black triangle is a small space with a large effect on a smile. Closing it is often the least invasive cosmetic change we make.

Recovery and Aftercare

After your visit

The first 24 hours

  • You can eat right away
  • Floss gently; it may feel tighter than before
  • Avoid staining drinks for 48 hours

The following days and weeks

  • Clean between the teeth every day with floss or interdental brushes
  • Have the bonding polished at each cleaning
  • Treat gum disease early so the gums do not recede further

When to Call Us

Call the office on (718) 234-3434 if you notice any of the following:

  • Floss shreds or will not pass between the bonded teeth
  • The gum between the teeth becomes red or sore
  • A piece of bonding chips

Related Treatments

For patients whose black triangles are part of broader cosmetic concerns, such as uneven spacing, worn edges, or discoloration, Dr. Marina may recommend combining correction with other treatments like porcelain veneers for a more comprehensive transformation. Each treatment plan is tailored to the individual, ensuring the final result is cohesive, natural, and aligned with the patient’s vision for their smile.

Cost and Insurance

Cosmetic treatment is planned tooth by tooth, so the fee depends on what you choose to change. You receive a written estimate after your consultation and before any treatment starts.

What affects the cost

  • The number of teeth being treated
  • The material chosen, such as composite or porcelain
  • Any preparatory care needed first, such as a cleaning, whitening or gum contouring
  • Laboratory work for custom restorations

Treatment done for appearance alone is usually not covered by dental insurance. Restorations that also repair damage may be covered in part. Our team can check your benefits and explain your options before treatment begins.

Meet the doctor

Dr. Marina Rubinshtein

Brooklyn dentist with more than 24 years in private practice, offering general, cosmetic and restorative dentistry. An NYU graduate focused on helping patients achieve healthy, natural-looking smiles.

Learn more about doctor
Dr. Marina Rubinshtein, cosmetic dentist at Bensonhurst Dental in Brooklyn

Frequently Asked Questions

What causes black triangles between teeth?

Black triangles can be caused by gum recession, periodontal disease and associated bone loss, naturally triangular tooth shapes, orthodontic movement, or age-related changes in the gum tissue. The underlying cause is evaluated during consultation to ensure the most appropriate treatment approach.

Is black triangle correction painful?

The procedure is minimally invasive and generally painless. In most cases, no anesthesia is required. Patients typically experience no discomfort during or after the appointment.

How long do the results last?

Composite bonding used to correct black triangles typically lasts 5 to 10 years with proper care. Regular dental cleanings and good oral hygiene help maintain the results. If wear or staining occurs over time, the bonding can be touched up or replaced.

Can black triangles come back after treatment?

If the underlying cause of the black triangles, such as gum recession, continues to progress, new gaps may develop over time. Addressing the root cause alongside the cosmetic correction helps ensure longer-lasting results.

Are there alternatives to bonding for black triangle correction?

In some cases, porcelain veneers can be used to close black triangles as part of a broader smile makeover. For patients whose black triangles are caused by gum recession, periodontal treatment may be recommended in conjunction with cosmetic correction. Dr. Marina evaluates each case individually to determine the best approach.

What Our Patients Say

I got the most beautiful veneers here. Dr. Marina did such an incredible job on me. She is a perfectionist that has clearly mastered her craft. My veneers look so natural and perfectly fit my face. I was comfortable throughout the entire process and it was truly such an amazing experience. My routine cleanings with Elisa are always quick yet thorough. She is also amazing at what she does. You really do become part of the family there and everyone makes sure you are comfortable and takes care of you. I’m so grateful for Bensonhurst Dental and happy I made the right choice.

Dr. Marina Rubinshtein did an incredible job on my laminates! They look natural, feel amazing, and completely transformed my smile. I’ve even been told I look younger—I couldn’t be happier!

I cannot thank Dr. Maria and the incredible team at Bensonhurst Dental enough for the amazing work they did in transforming my smile. The entire process was smooth and comfortable, thanks to Dr. Maria's expertise and gentle approach. The staff at Bensonhurst Dental were friendly and supportive throughout, creating a welcoming atmosphere. I am absolutely thrilled with my new smile and highly recommend Dr. Maria and Bensonhurst Dental for their outstanding dental services. Thank You so much

I am so happy to find Bensonhurst Dental. Dr. Geoffrey did an amazing job with my gums ! Dr. Marina did seamless bonding, the whole team is amazing from the moment you step in. Will bring my daughter for ortho. Highly recommended to everyone!

I never was a fan of Dental work. But once I came to Bensonhurst Dental all of that changed. I was seen by Dr.Geoffrey and Dr.Marina. Although every member of the staff is very welcoming and all around amazing. They make you feel like family. Their attention to detail is unmatched!! I’d recommend them to anyone. Can’t thank them enough for my amazing smile transformation.

I have been a patient of Dr. Marina Rubinshtein since I was a child. She has golden hands and does incredible work! Would highly recommend her! I had multiple dental work done over the years. Her work on my veneers has been fantastic, they came out great. The whole staff and team is incredibly friendly and treats patients very well.

4.8 stars531 reviews on Google (opens in a new tab)