Exam (elaborations)
Dentistry Exam 2024
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Exam of 16 pages for the course Dentistry at Dentistry (Dentistry Exam 2024)
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Dentistry Exam 2024crown
above the gum/gingiva
root
below gum
dentine
bulk of tooth
covered by cementum (root) and enamel (crown)
alveolus
jaw bone, socket in bone
pulp cavity
open/wide in young animals, narrows with age
contains the vv./nn./lymphatics
,lined by odontoblasts (produce dentine)
periodontal ligament
between tooth and alveolar bone, anchors tooth
fibrous structure (Sharpey's fibres)
enamel
hardest substance (96% hydroxyapatite)
0.2 mm in cats
0.5 mm in dogs
(much thicker in humans)
doesn't repair
dentine (1,2,3)
70% inorganic
primary dentine forms at eruption
secondary dentine forms with slow replacement
tertiary dentine is reparative (acute damage, brown due to food pigments)
, often seen in dogs, esp. if they chew stones, sand
can look like pulp cavity
gingival sulcus
between tooth and free gingiva (where periodontal disease develops)
muco-gingival line
junction btw fixed gingiva and mobile oral mucosa
coronal
towards crown
apical
towards the root tip
furcation point
branching of multiple roots (where you split teeth)
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