periodontium

[ per-ee-uh-don-shuh m, -shee-uh m ]
/ ˌpɛr i əˈdɒn ʃəm, -ʃi əm /

noun, plural per·i·o·don·tia [per-ee-uh-don-shuh, -shee-uh] /ˌpɛr i əˈdɒn ʃə, -ʃi ə/.

the bone, connective tissue, and gum surrounding and supporting a tooth.
Also parodontium.

Origin of periodontium

From New Latin, dating back to 1955–60; see origin at peri-, -odont, -ium

Words nearby periodontium

periodontal membrane, periodontal membrane fiber, periodontics, periodontist, periodontitis, periodontium, periodontoclasia, periodontology, periodontosis, perioeci, perionychia

Medical definitions for periodontium

periodontium
[ pĕr′ē-ə-dŏn′shē-əm ]

n. pl. per•i•o•don•tia (-shə, -shē-ə)

The tissues that surround and support the teeth, including the gums, cementum, periodontal ligament, and alveolar and supporting bone. alveolodental membrane peridental membrane