
1) Dental anatomy
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https://www.crosswordclues.com/clue/periodontium

Periodontium refers to the specialized tissues that both surround and support the teeth, maintaining them in the maxillary and mandibular bones. The word comes from the Greek terms peri-, meaning `around` and -odons, meaning `tooth.` Literally taken, it means that which is `around the tooth`. Periodontics is the dental specialty that relates...
Found on
http://en.wikipedia.org/wiki/Periodontium

tissue complex comprising gingival, cementum, periodontal ligament, and alveolar bone which attaches, nourishes and supports the tooth.
Found on
http://www.ada.org/glossaryforprofessionals.aspx

the structures that surround and support the teeth.
Found on
http://www.cosmeticdentistryguide.co.uk/glossary.html

Synonym: periodontal ligament. ... Origin: L. Fr. Peri-+ G. Odous, tooth ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973

(per″e-o-don´she-әm) pl. periodon´tia the tissues investing and supporting the teeth, including the cementum, periodontal ligament, alveolar bone, and gingiva. In official nomenclature, restricted to the periodontal ligament. Periodontium, showing the periodontal ligamen...
Found on
http://www.encyclo.co.uk/local/21001

Type: Term Pronunciation: per′ē-ō-don′shē-ŭm, -shē-ă Definitions: 1. The connective tissue that surrounds the tooth root and attaches it to its bony socket; it consists of fibers anchored in the cementum and extending into the alveolar bone; the tissues that surround and support the teeth, including the gin...
Found on
http://www.medilexicon.com/medicaldictionary.php?t=67176
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