Maxillary Incisors Geometric Outlines Quiz
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Questions and Answers

What is the most common anatomical anomaly that occurs with the maxillary central incisors?

  • Curved incisal ridge
  • Multiple roots
  • Short root (correct)
  • Unusually long crown

    • How many maxillary central incisors are there in total?

  • 2
  • 4 (correct)
  • 8
  • 6

    • What is the function of the incisors in the mouth?

  • Chewing and grinding food
  • Shearing or cutting food (correct)
  • Crushing and mashing food
  • Tearing and ripping food

    • What is the most prominent characteristic difference between male and female crown sizes of the maxillary central incisors?

    <p>Male crowns are larger and wider than female crowns</p> Signup and view all the answers

    What is the term for the largest part of the lingual area on the lingual aspect of an incisor?

    <p>Lingual Fossa</p> Signup and view all the answers

    What is the primary shape of the maxillary central incisors?

    <p>Trapezoid</p> Signup and view all the answers

    What is the characteristic feature of the labial aspect of maxillary incisors in terms of crown outline?

    <p>Trapezoidal crown outline</p> Signup and view all the answers

    What is the term for the shallow depressions which extend from the incisal edge towards the gingiva and fade out in the middle third?

    <p>Imbrication lines</p> Signup and view all the answers

    What are the rounded eminences where each labial lobe of the incisor terminates incisally called?

    <p>Mamelons</p> Signup and view all the answers

    What are the external manifestations of Striae of Retzius associated with enamel incremental growth formation also known as?

    <p>Perikymata</p> Signup and view all the answers

    What is the primary function of the maxillary incisors?

    <p>Shearing or cutting food material</p> Signup and view all the answers

    What is the most common anatomical anomaly that may occur with the maxillary central incisors?

    <p>Extremely short root</p> Signup and view all the answers

    What are the rounded eminences where each labial lobe of the incisor terminates incisally called?

    <p>Mamelon</p> Signup and view all the answers

    What is the characteristic feature of the labial aspect of maxillary incisors in terms of crown outline?

    <p>Relatively narrow crowns at the cervix</p> Signup and view all the answers

    What is the term for the shallow depressions which extend from the incisal edge towards the gingiva and fade out in the middle third?

    <p>Mammary ridges</p> Signup and view all the answers

    What is the term for the visible markings in the enamel of maxillary incisors that show traces of the fusion of three lobes on the labial face?

    <p>Labial grooves</p> Signup and view all the answers

    What term is used for the rounded eminences where each labial lobe of the incisor terminates incisally?

    <p>Mamelons</p> Signup and view all the answers

    What is the primary shape of the lingual aspect of shovel-shaped incisors in Mongoloid races, including North and South American Indians?

    <p>Scoop-like form</p> Signup and view all the answers

    What is the term for the external manifestations of enamel incremental growth formation associated with Striae of Retzius?

    <p>Imbrication lines</p> Signup and view all the answers

    What term is used for the largest part of the middle and incisal portions of the lingual area on the lingual aspect of an incisor?

    <p>Lingual Fossa</p> Signup and view all the answers

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