tcdha, periodontics sem 1 UPDATED ACTUAL Questions and CORRECT Answers
functional system of tissues that surrounds teeth and at-
taches them to jawbone
- peri = around
periodontium
odontos = tooth
also called :supporting tissues of teeth or attachment ap-
paratus
- provides tissue seal around the cervical portion (neck) of
the tooth
gingiva - covers the alveolar processes of the jaws
- holds tissue against the tooth during mastication (act of
eating)
periodontal ligament suspends and maintains the tooth in its socket
-anchors the ends of the periodontal ligament fibers to
cementum the tooth so that the tooth stays in its socket
- protects dentin of the oot
alveolar bone - surrounds and supports the roots of the tooth
- part of mucosa that surrounds cervical portions of teeth
and covers alveolar processes
- contour and shape of gingival margin approximates
scalloped curvature of cementoenamel junction (CEJ)
the gingiva - position may be age dependant
- attached by junctional epithelium (the velcro that holds
gingiva to the tooth, like a seal, they fuse together)
- composed of thin outer layer of epithelium and under-
lying layer of connective tissue
free gingiva, gingival sulcus, interdental gingiva, and at-
4 anatomical areas of the gingiva
tached gingiva
, protects underlying tooth-support structures of periodon-
function of gingiva
tium from oral environment
gingival margin (upper edge) - coronal (towards crown of
the tooth)
the boundaries of the gingiva
alveolar mucosa - apical (towards the apex of the tooth
demarcations of the gingiva not a clear boundary
shallow linear depression separating free and attached
free gingival groove
gingiva (hard to see)
where the pink attached gingiva meets the the red alveolar
mucogingival junction
mucosa (clinically visible)
- unattached portion surrounds tooth in CEJ region
- also called unattached gingiva or marginal gingiva
- most coronal boundary of gingiva
- surrounds tooth in a turtleneck manner
free gingiva - attaches by junctional epithelium at the base of the
sulcus
- fits closely around tooth but not directly attached, you
can slightly retract it with the periodontal probe
forms soft tissue lateral wall of gingival sulcus
thin rounded edge where free gingiva meets tooth
- follows scalloped and curved contours of underlying CEJ
free gingival margin - may be gently retracted with a periodontal probe
- meets the tooth in a thin rounded edge called gingival
margin
gingival margin follows tooth contour creating a scalloped
gingival margin
outline, its where the tooth and gums meet
continuous with free gingiva
attached gingiva
- tightly bound to the
functional system of tissues that surrounds teeth and at-
taches them to jawbone
- peri = around
periodontium
odontos = tooth
also called :supporting tissues of teeth or attachment ap-
paratus
- provides tissue seal around the cervical portion (neck) of
the tooth
gingiva - covers the alveolar processes of the jaws
- holds tissue against the tooth during mastication (act of
eating)
periodontal ligament suspends and maintains the tooth in its socket
-anchors the ends of the periodontal ligament fibers to
cementum the tooth so that the tooth stays in its socket
- protects dentin of the oot
alveolar bone - surrounds and supports the roots of the tooth
- part of mucosa that surrounds cervical portions of teeth
and covers alveolar processes
- contour and shape of gingival margin approximates
scalloped curvature of cementoenamel junction (CEJ)
the gingiva - position may be age dependant
- attached by junctional epithelium (the velcro that holds
gingiva to the tooth, like a seal, they fuse together)
- composed of thin outer layer of epithelium and under-
lying layer of connective tissue
free gingiva, gingival sulcus, interdental gingiva, and at-
4 anatomical areas of the gingiva
tached gingiva
, protects underlying tooth-support structures of periodon-
function of gingiva
tium from oral environment
gingival margin (upper edge) - coronal (towards crown of
the tooth)
the boundaries of the gingiva
alveolar mucosa - apical (towards the apex of the tooth
demarcations of the gingiva not a clear boundary
shallow linear depression separating free and attached
free gingival groove
gingiva (hard to see)
where the pink attached gingiva meets the the red alveolar
mucogingival junction
mucosa (clinically visible)
- unattached portion surrounds tooth in CEJ region
- also called unattached gingiva or marginal gingiva
- most coronal boundary of gingiva
- surrounds tooth in a turtleneck manner
free gingiva - attaches by junctional epithelium at the base of the
sulcus
- fits closely around tooth but not directly attached, you
can slightly retract it with the periodontal probe
forms soft tissue lateral wall of gingival sulcus
thin rounded edge where free gingiva meets tooth
- follows scalloped and curved contours of underlying CEJ
free gingival margin - may be gently retracted with a periodontal probe
- meets the tooth in a thin rounded edge called gingival
margin
gingival margin follows tooth contour creating a scalloped
gingival margin
outline, its where the tooth and gums meet
continuous with free gingiva
attached gingiva
- tightly bound to the
