Dental anatomy grooves

  • What are occlusal grooves?

    occlusal.
    Definition.
    A groove on the occlusal surface of a posterior tooth.
    Posterior teeth in general have three types of grooves: dissectional or primary grooves, secondary grooves, and auxiliary grooves..

  • What are the grooves in my teeth?

    Teeth with Deep Grooves
    Many people naturally have teeth with many deep grooves.
    Most commonly found in the back molars, these grooves can make it difficult to fully remove food particles and bacteria.
    This makes them the perfect place for bacteria to bury in and create tooth decay..

  • What are the grooves or depressions on teeth?

    Sulcus: it is a long depression or valley in the surface of a tooth between ridges and cusps, the inclines of which meet at an angle.
    A sulcus has a developmental groove at the junction of its inclines..

  • What is developmental groove?

    Developmental groove: it is a shallow groove or line between the primary parts of the crown or root. 8.
    Supplemental groove: it is a less distinct, shallow linear depression on the surface of a tooth, but is supplemental to a developmental groove and does not mark the junction of primary parts..

  • What is groove in dental anatomy?

    Grooves: These are the depressions and fissures on the occlusal surface of a posterior tooth that resemble riverbeds and valleys on a terrain.
    There are various types of grooves and corresponding classification and naming conventions..

  • Why there are grooves on molars?

    The deep groves in our molars and premolars are there to provide traction as we chew.
    These same deep grooves in teeth can trap food and bacteria, increasing our chances of tooth decay..

  • Primary grooves divide the cusps.
    Premolar teeth have only a primary groove, their central sulcus groove, which divides the tooth into a vestibular and a lingual half and divides stamping cusps from shearing cusps.
    Teeth with more than two cusps have a primary groove, but they also have one or more intercuspal grooves.
  • Sulcus: it is a long depression or valley in the surface of a tooth between ridges and cusps, the inclines of which meet at an angle.
    A sulcus has a developmental groove at the junction of its inclines. 7.
    Developmental groove: it is a shallow groove or line between the primary parts of the crown or root.
  • The chewing surfaces of the back teeth can have tiny grooves, known as fissures.
    Tooth decay can easily start in fissures where food can get stuck and where it is hard to clean.
    The grooves are so small that toothbrush bristles can't get into them to clean away food and bacteria.
Buccal groove – A linear depression forming a groove that extends from the middle of the buccal surface to the occlusal surface of the tooth. Supplemental groove – Shallow, linear groove that radiates from the developmental groove. It often gives the tooth surface a wrinkled look.
CDG:central developmental groove. c.Triangular fossa: it is located on the occlusal surfaces of molars and premolars, mesial or distal to marginal ridges.

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