Exam 1 Flashcards
(170 cards)
.4-1.5 mm space between the tooth and the bone which is visible radiographically
periodontal ligament
spirals..have one or more axial firils and incorporated into their cell walls.. most agressive
spirochetes
produce more antibody and are effective against virus and tumor cells
Natural Killer Lymphocytes
calculus occurs in approx. how many adults?
1/3 of adults
these fibers course from periosteum of alveolar bone and spread into connective tissue, the function is to attach gingiva to bone.
periostogingival
how much hydroxyapatite, enamel and dentin make up the cementum
60%
97%
70%
what are the three types of lymphocytes
T
B
NK
What was hippocrates advice about bad breath for women?
burn the head of a Hare and 3 mice, removing the intestine of 2 of them but leaving the liver and pound a stone into mortar with some marble and whitstone and apply with a greasy wool
gingival index of loe and silness
sulcus bleeding index
gingival bleeding indices
what is epithelium?
stratified squamous cells mostly keratinocytes but with some langerhans cells and merkel cells and melanocytes
what does smoking cause of perio disease?
suppresses the vascular reaction masking the signs of inflammation
this is the study of health and disease and the associated factors in population in reference to hereditary, biology, environment, society and behavior..etc
epidemiology
how many principal fiber groups consist the PDL?
5 principal
6 minor
Who were some of the first craftsmen, that could have been dentists?
Paul revere, woofendale, mills, baker, flagg and greenwood
this is comprised of the cribriform plate encompassing the alveoli and the adjacent cancellous bone
alveolar bone
these fibers span interdental space, with ends inserted into the cementum of the teeth. the function is to maintain relationship between teeth
transseptal
these fibers run apocalypse into bone from the furcation
interadicular
What did ancient skulls that had been found, show?
caries alveolar bone loss supernumerary teeth impacted teeth periapical abscesses
these compare individuals with a disease to those without and compare the risk factors, etc.
case control studies
This is defined as the tissues that surround, support and attach to the teeth
Periodontium
Who described the use of scrapers for the cleaning of teeth around 330 BC?
Asristotle
the cocci formation changes the environment to allow other bacteria the right to succeed.. as the filamentous bacteria begin to join, the number of occi decreases
microbial succession
perio is more common in men than women, with the exception of what disease?
HIV.. more common in women
this means to resorb bone
osteoclasts