Tooth Fissure Caries in Dentistry

Watch Dental Video about Tooth Fissure Caries

Fissure caries is the name for a carious lesion in the fissure area.

Such caries are usually caused by abnormal fissure anatomy.  Fissure is the name for valleys located in the chewing area of the side teeth. In contrast, the mountains are called humps. Teeth generally have a main fissure that runs in a longitudinal direction and is called the longitude fissure. Analogically, the many small fissures that run laterally are called lateral fissure. The relief of the teeth surface is developed fairly similarly in every human being.

Leftover food and caries-causing bacteria can penetrate fissures. In very narrow fissures, the leftovers and germs cannot be removed with a toothbrush. Furthermore, the enamel is usually thinner in these locations and this leads to consequences such as caries. Another possible consequence is bacteria attacking the thin enamel and penetrating deep into the crowns, resulting in fissure caries. The video entitled "Initial Caries" will provide information on how caries develop.

Zahn Fissurenkaries

tooth fissure caries

Diagnosis of fissure caries is difficult because they are often invisible from the outside (the enamel surface can be fully intact). Even x-rays are inconclusive because the enamel coat partially absorbs the rays and small carious lesions frequently get over-shadowed.

Therefore, if a fissure is threatened by caries, the dentist should seal the fissure with a thin fluid made up of synthetic resin or composite material once the tooth is perforated.  This will prevent bacteria from settling in the oral flora. More about that topic in the video entitled "Fissure Sealing".

Click here to see the video: Fissure Cavity


This post is also available in: German

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