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[3] Unit: Pontics and abutment teeth are referred to as units. The total number of units in a bridge is equal to the number of pontics plus the number of abutment teeth. [1] Saddle: The area on the alveolar ridge which is edentulous where at least one missing tooth is to be reinstated. [3]
German illustration (c. 1910) depicting interior of jawbones, with nerves, veins, and arteries leading to teeth—and thus the alveolar areaOn the maxilla, the alveolar process is a ridge on the inferior surface, making up the thickest part of the bone.
The tooth bud (sometimes called the tooth germ) is an aggregation of cells that eventually forms a tooth and is organized into three parts: the enamel organ, the dental papilla and the dental follicle. [3] The enamel organ is composed of the outer enamel epithelium, inner enamel epithelium, stellate reticulum and stratum intermedium. [3]
In vertebrates, the maxilla (pl.: maxillae / m æ k ˈ s ɪ l iː /) [2] is the upper fixed (not fixed in Neopterygii) bone of the jaw formed from the fusion of two maxillary bones. In humans, the upper jaw includes the hard palate in the front of the mouth.
The distinction is one of anterior (front of the body) versus posterior (rear of the body). The distinction holds in both the upper jaw ( maxilla ) and lower jaw ( mandible ). As a rough guide, it can be said that the anterior teeth are tailored to biting (breaking the food into chewable chunks) [ 1 ] whereas the posterior teeth are tailored to ...
Dental alveoli (singular alveolus) are sockets in the jaws in which the roots of teeth are held in the alveolar process with the periodontal ligament. The lay term for dental alveoli is tooth sockets. A joint that connects the roots of the teeth and the alveolus is called a gomphosis (plural gomphoses). Alveolar bone is the bone that surrounds ...
3.0-1.3-4.3 3.0-1.3.3 Permanent dentition varies from 36 to 42, depending on the presence or absence of canines and the number of premolars. [ 34 ] The first premolar ( wolf tooth ) may be absent or rudimentary, [ 32 ] [ 33 ] and is mostly present only in the upper (maxillary) jaw. [ 33 ]
Although technically referring only to anterior teeth (where the lips (labia) are present instead of cheeks), use of the term labial has inaccurately extended to all teeth, anterior and posterior (instead of vestibular). [1] [5] Lateral A tooth which is away from the midline, such as lateral incisor, [1] or the sides of a tooth. [6] Lingual