PERIO 106 MIDTERM QUESTIONS WITH
ANSWERS
Which one of the following types of radiographs is best to evaluate the alveolar bone crest for moderate
to severe bone loss?
a. periapical
b. horizontal bitewing
c. vertical bitewing
d. panoramic
e. computed tomography - ✔ ✔ c. vertical bitewing
Which one of the following types of radiographs is used primarily in clinical research rather than lineal
practice?
a. panoramic film
b. direct digital
c. digital subtraction
d. computed tomography - ✔ ✔ c. digital subtraction
Which periodontal lesion according to Page and Schroeder, is characterized by attachment loss and
bone resorption?
a. initial
b. early
c. established
d. advanced - ✔ ✔ d. advanced
Which periodontal lesion, according to Page and Schroeder, is characterized as chronic gingival
inflammation and the initial presence of PMNs?
,a. initial
b. early
c. established
d. advanced - ✔ ✔ a. initial
Which periodontal lesion, according to Page and Schroeder, is characterized by chronic gingival
inflammation and the presence of plasma membrane?
a. initial
b. early
c. established
d. advanced - ✔ ✔ c. established
All of the following anatomic factors may predispose a site to periodontal disease except one. Which is
the one exception?
a. tooth position
b. furcation area
c. crown surface
d. root surface - ✔ ✔ c. crown surface
All of the following are harmful products produced by bacteria that affected the periodontal tissues
except one. Which is the exception?
a. enzymes
b. lipoligosaccharides
c. waste products
d. crevicular fluid - ✔ ✔ d. crevicular fluid
, All of the following are reasons for using radiographs in periodontics except one. Which is the one
exception?
a. identify predisposing factos
b. detect early to moderate bone changes
c. determine the shape and depth of periodontal pockets
d. dever baseline data and as a means of evaluating pretreatment results - ✔ ✔ c. determine the
shape and depth of periodontal pockets
All of the following bacteria are strongly associated with invading epithelium and gingival connective
tissue except one. Which is the one exception?
a. spinochetes
b. aggregatibacter actinomycetemomitans
c. prevotella intermedia
d. porphyromonas gingivalis - ✔ ✔ c. prevotella intermedia
All of the following criteria that define NUG except one.
Which is the one exception?
a. pain
b. bleeding
c. Papillary necrosis
d. fever - ✔ ✔ d. fever
All of the following factors are responsible for bone loss except one. Which one is the exception?
a. Prostaglandins
b. Endotoxins
c. B-cells
ANSWERS
Which one of the following types of radiographs is best to evaluate the alveolar bone crest for moderate
to severe bone loss?
a. periapical
b. horizontal bitewing
c. vertical bitewing
d. panoramic
e. computed tomography - ✔ ✔ c. vertical bitewing
Which one of the following types of radiographs is used primarily in clinical research rather than lineal
practice?
a. panoramic film
b. direct digital
c. digital subtraction
d. computed tomography - ✔ ✔ c. digital subtraction
Which periodontal lesion according to Page and Schroeder, is characterized by attachment loss and
bone resorption?
a. initial
b. early
c. established
d. advanced - ✔ ✔ d. advanced
Which periodontal lesion, according to Page and Schroeder, is characterized as chronic gingival
inflammation and the initial presence of PMNs?
,a. initial
b. early
c. established
d. advanced - ✔ ✔ a. initial
Which periodontal lesion, according to Page and Schroeder, is characterized by chronic gingival
inflammation and the presence of plasma membrane?
a. initial
b. early
c. established
d. advanced - ✔ ✔ c. established
All of the following anatomic factors may predispose a site to periodontal disease except one. Which is
the one exception?
a. tooth position
b. furcation area
c. crown surface
d. root surface - ✔ ✔ c. crown surface
All of the following are harmful products produced by bacteria that affected the periodontal tissues
except one. Which is the exception?
a. enzymes
b. lipoligosaccharides
c. waste products
d. crevicular fluid - ✔ ✔ d. crevicular fluid
, All of the following are reasons for using radiographs in periodontics except one. Which is the one
exception?
a. identify predisposing factos
b. detect early to moderate bone changes
c. determine the shape and depth of periodontal pockets
d. dever baseline data and as a means of evaluating pretreatment results - ✔ ✔ c. determine the
shape and depth of periodontal pockets
All of the following bacteria are strongly associated with invading epithelium and gingival connective
tissue except one. Which is the one exception?
a. spinochetes
b. aggregatibacter actinomycetemomitans
c. prevotella intermedia
d. porphyromonas gingivalis - ✔ ✔ c. prevotella intermedia
All of the following criteria that define NUG except one.
Which is the one exception?
a. pain
b. bleeding
c. Papillary necrosis
d. fever - ✔ ✔ d. fever
All of the following factors are responsible for bone loss except one. Which one is the exception?
a. Prostaglandins
b. Endotoxins
c. B-cells
