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The cervical margin of a tooth is the surface above the junction of the crown of the tooth and the root of the tooth. [1]
The term "anatomic crown" of a tooth refers to the area above the cementoenamel junction (CEJ) or "neck" of the tooth. [9] It is completely covered in enamel. The term "clinical crown" often is convenient in referring to any part of the tooth visible in the mouth, but as a rule the unqualified term "crown" refers to the anatomic crown.
The cervical loop is the location on an enamel organ in a developing tooth where the outer enamel epithelium and the inner enamel epithelium join. The cervical loop is a histologic term indicating a specific epithelial structure at the apical side of the tooth germ, consisting of loosely aggregated stellate reticulum in the center surrounded by ...
In dental anatomy, the cementoenamel junction (CEJ) is the location where the enamel, which covers the anatomical crown of a tooth, and the cementum, which covers the anatomical root of a tooth, meet. Informally it is known as the neck of the tooth. [1]
The anatomic crown of a tooth is the area covered in enamel above the cementoenamel junction (CEJ) or "neck" of the tooth. [2] [3] Most of the crown is composed of dentin ("dentine" in British English) with the pulp chamber inside. [4] The crown is within bone before eruption. [5] After eruption, it is almost always visible.
Tooth brushing is the most common cause of dental abrasion, which is found to develop along the gingival margin, due to vigorous brushing in this area. [ 7 ] [ 8 ] The type of toothbrush, the technique used and the force applied when brushing can influence the occurrence and severity of resulting abrasion. [ 9 ]
More than any other tooth in the mouth, the cervical line from this view curves tremendously toward the incisal. In an average crown length of 10.5 to 11 mm, the curvature of the cervical line in a maxillary central incisor is 3 to 4 mm. [ 14 ]
External cervical resorption is a localised resorptive lesion in the cervical area of the tooth, below the epithelial attachment. It is distinguished from external inflammatory root resorption in that it rarely involves the pulp. When at least 3 teeth are affected, it is referred to as multiple idiopathic cervical root resorption.