Oral biology Flashcards
(38 cards)
concerning the structure of the oral mucosa, the _ separates the epithelium from the underlying connective tissue
basement membrane
within the tooth, the hyaline layer is the:
outer layer of dentine next to the cementum-dentine junction
the oblique ridges are features of:
maxillary first and second molars
which of the following teeth usually have two root branches that are bicurfacated in the apical third?
maxillary first premolar
the prinicipal differece between bone and cementum is that the latter lacks:
blood and nerve supply
psychrophilic bacteria are able to grow best at
temperatures below 20.C
the initial stage of the virus ‘growth’ cycle is:
attachment
which nerve is tested for its sensory function in the corneal reflex?
trigeminal
what type of dentin is produced in response to external trauma and has a protective function?
tertiary
what is the most mineralised tissues?
enamel
FDI system for lower right first molar
46
what is the area between teeth called?
interproximal space
the difference between the bone and the cementum is that the later has no:
nerve supply
properties of enamel and dentin
thermal insulator
what is an advantage of flora?
make antibiotics
what is IgA?
it is the main signature antibody in secretion
antibiotics that affect RNA polymerase activity include?
Rifampicin
What is the grass-like structure at the enamel dentine junction called?
enamel tuft
difference in surface enamel and junctional enamel
surface enamel is aprismatic, harder, less porous, and has perikymata
which nerve has its nucleus in the pons?
Abducens CN VI
What is the main inorganic mineral in the tooth enamel?
hydroxyapatite
what is the function of the alveolar bone?
protect and support teeth
which ones of these are correct?
Amelogenin has a mixture of hydrophobic and hydrophillic domains
What type of collagen is present in the periodontal ligament?
collagen type 1
