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Marie Durflinger, DDS & Rima Abifaker, DDS
(425) 208-0032
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Bella Dental Care in Bellevue, WA
Bella Dental Care


Home About Us Dental Blog What is a Pit and Fissure Stain?

What is a Pit and Fissure Stain?


Posted on 9/15/2025 by Bella Dental Care Office
Dentist using digital smile design software on a computer, displaying dental models for cosmetic treatment planning.Have you ever noticed dark spots on the chewing surfaces of your teeth, especially your molars? These spots are called pit and fissure stains and they are quite common. They are caused by food and bacteria accumulating in the deep grooves and crevices of your teeth, which are called pits and fissures.

What Causes Pit and Fissure Stains?


Pit and fissure stains are caused by a combination of factors, including:

•  Food and bacteria: When food and bacteria get trapped in the pits and fissures of your teeth, they can build up and form plaque. Plaque is a sticky film that can harden into calculus (tartar).
•  Poor oral hygiene: If you don't brush and floss regularly, plaque and calculus can build up and cause stains.
•  Deep pits and fissures: Some people have deeper pits and fissures than others, which makes it more difficult to clean them effectively.
•  Diet: A diet high in sugary and acidic foods can contribute to the formation of plaque and stains.

How Can I Prevent Pit and Fissure Stains?


The best way to prevent pit and fissure stains is to practice good oral hygiene. This includes:

•  Brushing your teeth twice a day with a fluoride toothpaste.
•  Flossing once a day to remove plaque and food particles from between your teeth.
•  Using an antiseptic mouthwash to kill bacteria.
•  Seeing your dentist regularly for checkups and cleanings.

What Should I Do If I Have Pit and Fissure Stains?


If you have pit and fissure stains, don't worry! They are usually harmless and can be removed by your dentist. Your dentist may recommend one of the following treatments:

•  Professional cleaning: Your dentist will use special tools to remove plaque and calculus from your teeth.
•  Air abrasion: This is a procedure that uses a stream of air and abrasive particles to remove stains from your teeth.
•  Composite restoration: If the stain is deep, your dentist may recommend filling the pit or fissure with a composite material.

Conclusion


Pit and fissure stains are a common problem, but they can be prevented with good oral hygiene. If you have pit and fissure stains, see your dentist for treatment. They can help you get your smile back on track!

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