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20 Cards in this Set

  • Front
  • Back
where does the cementum receive its blood and nutirent supply
a)trigeminal nerve
b)dentoginival plexus
c)periodontal ligament
d)none
a)trigeminal nerve-incorrect bc this structure provides sensory fxn to many maxillary and mandibular tissues and structures
b) dnetogingival plexus (incorrect bs this is a netowrk of blood vessels located in gingival connective tissue below gingival sulcus
c) PERIODONTAL LIGAMENT- nutrients from the alveolar bone pass through canaliculi in pdl
what is the name of the bone that lines the tooth socket
alveolar bone proper
cribiform plate
lamina dura (xrays)
what are the functions of the pdl
sensory- pain and pressure senstation to teeth
formative- builds and maintains cementum and alveolar bone of tooth socket
resorptive- remodels alveolar bone in response to pressure
what is the order inflammation spreads in horizontal bone loss
gingival connective tissue
pdl
alveolar bone
perio pockets are the pathological deepening of the gingival sulcus as a result of
the apical migration of the JE
destruction of the pdl fibers
destruction of alveolar bone
where does the cementum receive its blood and nutirent supply
a)trigeminal nerve
b)dentoginival plexus
c)periodontal ligament
d)none
a)trigeminal nerve-incorrect bc this structure provides sensory fxn to many maxillary and mandibular tissues and structures
b) dnetogingival plexus (incorrect bs this is a netowrk of blood vessels located in gingival connective tissue below gingival sulcus
c) PERIODONTAL LIGAMENT- nutrients from the alveolar bone pass through canaliculi in pdl
what is the name of the bone that lines the tooth socket
alveolar bone proper
cribiform plate
lamina dura (xrays)
what are the functions of the pdl
sensory- pain and pressure senstation to teeth
formative- builds and maintains cementum and alveolar bone of tooth socket
resorptive- remodels alveolar bone in response to pressure
what is the order inflammation spreads in horizontal bone loss
gingival connective tissue
pdl
alveolar bone
perio pockets are the pathological deepening of the gingival sulcus as a result of
the apical migration of the JE
destruction of the pdl fibers
destruction of alveolar bone
define prevalence and incidence
prevalence- # of cases of disease over time
incidence- # of new cases
what are local contributing factors
calculus
faulty restorations
overhang
NOT tobacco- systemic
describe the bacteria responsible for periodontal disease
aa- transmisible in family members
b forsythus- found in deep perio pockets, aggressive perio
f nucleatum- beginning stages of gingivitis
p gingivalis- moderate perio
what is the best way to combat plaque biofilm
with mechanical distruption (brush and floss, hygienist)
which of the following is not a local contributing factor
a) removable dneture
b) calculus
c) tetracycline
d) bruxism
c) tetracycline is systemic
define functional and parafunctional occlusal forces
funcitonal occlusal forces- forces caused by normal actions like chewing
parafunctional- caused be abnormal functions like clenching or bruxism
what type of calculus is the most difficult to remove
1. direct contact of calcified component- interlocked relationsihp with tooth
2. tooth irregularities like cracks
3. attachment to pellicle
which med causes gingival hyperplasia
a) phenytoin (dilantin)
b) ibuprofen (advil midol)
c) tetracycline (achromycin)
d) tylenon
A) PHEYNYTOIN DILANTIN
ibuprofen- causes xerostomia
tetracylcline- therapy in recurrenet apthous ulcers
tylenol- none
which periodontal disease presents as a red band along the gingival margin which may or may not be accompanied by occasional bleeding and disscomfort
linear gingival equilibrium (LGE)

other disease:
NUG- gorm of gingivitis that involves tissue necrosis limited to gingivitis
NUP- severe pain, loosening teeth, bleeding "deep jaw pain"
what are nonplaque induced gingival lesions associated with
viral and fungal infections
allergic reactions
mechanical trauma