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  2. Root canal - Wikipedia

    en.wikipedia.org/wiki/Root_canal

    Root canal anatomy consists of the pulp chamber and root canals. Both contain the dental pulp. The smaller branches, referred to as accessory canals, are most frequently found near the root end (apex), but may be encountered anywhere along the root length. The total number of root canals per tooth depends on the number of the tooth roots ...

  3. Crown-to-root ratio - Wikipedia

    en.wikipedia.org/wiki/Crown-to-root_ratio

    Crown-to-root-ratio is the ratio of the length of the part of a tooth that appears above the alveolar bone versus what lies below it. [1] It is an important consideration in the diagnosis, treatment planning and restoration of teeth, one that hopefully guides the plan of treatment to the proper end result.

  4. Dental anatomy - Wikipedia

    en.wikipedia.org/wiki/Dental_anatomy

    The overall length of the deciduous maxillary central incisor is 16 mm on average, with the crown being 6 mm and the root being 10 mm. [17] In comparison to the permanent maxillary central incisor, the ratio of the root length to the crown length is greater in the deciduous tooth. The diameter of the crown mesiodistally is greater than the ...

  5. File:Root Canal Illustration Molar.svg - Wikipedia

    en.wikipedia.org/wiki/File:Root_Canal...

    Root Canal Illustration with Molars by Jeremy Kemp (2005-03-22) using Adobe Illustrator; converted to SVG by Jellocube27 (2007-01-07); based on information from illustrations at www.animated-teeth.com.

  6. Incisor - Wikipedia

    en.wikipedia.org/wiki/Incisor

    mandibular lateral incisor (lower jaw, beside the mandibular central incisor) Children with a full set of deciduous teeth (primary teeth) also have eight incisors, named the same way as in permanent teeth. Young children may have from zero to eight incisors depending on the stage of their tooth eruption and tooth development. Typically, the ...

  7. Post and core - Wikipedia

    en.wikipedia.org/wiki/Post_and_core

    When deciding whether or not a tooth requires a post and core crown rather than a conventional crown, the following must be established: [4] Presence of an adequate ferrule (coronal tooth structure) Sufficient length of canal to retain a post; Curvature and overall anatomy of root canal system

  8. Universal Numbering System - Wikipedia

    en.wikipedia.org/wiki/Universal_Numbering_System

    The uppercase letters A through T are used for primary teeth and the numbers 1 - 32 are used for permanent teeth. The tooth designated "1" is the maxillary right third molar ("wisdom tooth") and the count continues along the upper teeth to the left side. Then the count begins at the mandibular left third molar, designated number 17, and ...

  9. Glossary of dentistry - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_dentistry

    Lower right quadrant: lower right first incisor to lower right wisdom tooth; Lower left quadrant: lower left first incisor to lower left wisdom tooth; Sextant One of six groups of adjacent teeth, excluding the wisdom teeth. The front sextants go from canine to canine, and there are sextants on the right and left of these. See Periodontal ...

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