A Solitary Hypoplastic Defect in This Dentition Is Located on the Facial

question 66

Multiple Choice

A solitary hypoplastic defect in this dentition is located on the facial surface of a permanent maxillary central incisor. The most likely cause of this defect is

• A) a dietary deficiency during tooth formation.
• B) absence of the primary mandibular central incisor.
• C) physical injury of the primary maxillary central incisor.
• D) neonatal hypoplasia of the primary anterior teeth.

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Definitions:

Concentric

Describes muscle contractions where the muscle shortens while generating force.

Matrix Layers

In the context of materials science or tissue structure, refers to layers of extracellular material that provide structural and biochemical support to the surrounding cells.

Sesamoid Bones

Small, round bones usually found in tendons. They act to reduce friction and modify pressure in muscles across joints.

Compression

The act of applying pressure to something, thereby reducing its volume or changing its shape.