AIPGE 09 MDS Periodontics

Periodontics

115.Attached gingiva
a) Always stippled
b) Resistant to masticatory stress and forces
c) Highly prone to infection
d) …..
Ans: b) Resistant to masticatory stress and forces

116.Dental floss is used for cleaning which type of embrasures
a) Type 1
b) Type 2
c) Type 3
d) All
Ans: a) Type 1

117. Gingival fibers which run between two teeth are
a) Transeptal fibers
b) Trans gingival
c) Oblique
d) Apical
Ans: a) Transeptal fibers

118. Which condition can be diagnosed only with radiograph
a) Periodontal abscess
b) Bifurcation involvement
c) Anatomical length of tooth
d) Periapical granuloma
Ans: c) Anatomical length of tooth

119. Periapical and periodontal abscess can be differentiated by
a) Probing
b) Radiograph
c) Histopathology
d) …
Ans:

120. Radiograph helps in the identification of
a) Depth of bone loss
b) Shape of the bony defect
c) Extent of bone loss
d) None
Ans:

121. Irreversible colonization of bacteria occurs in how much time after enamel is exposed to bacteria?
a) 24 hrs
b) 1-2 hrs
c) 3-4 hrs
d) Immediately
Ans: b) 1-2 hrs

122. Gingivosis is related most commonly to
a ) High progesterone
b) Low estrogen and testosterone
c) Pregnancy
d) …
Ans:

123.Periodontometer is used for
a) Tooth mobility
b) Periodontal pocket
c) GCF
d) Halitosis
Ans: a)Tooth mobility

124. What change occurs with time in supragingival plaque
a) Increase plaque mass
b) Becomes more G+ve
c) Becomes more G-ve
d) More spirochetal
Ans: b) Becomes more G-ve

125. First clinical sign of TFO
a) Tooth mobility
b) Wear facets
c) Bone loss
d) ……
Ans:a) tooth mobility

126. Green stains on tooth is caused by
a) Chromogenic bacteria
b) Lysis of neutrophils
c) Materia alba
d) ….
Ans: a) Chromogenic bacteria

127. In chronic marginal gingivitis, radiographic changes are
a) Horizontal bone loss
b) Vertical bone loss
c) Angular bone loss
d) None
Ans: d) None

128. Colour of subgingival calculus due to
a) Change in ph
b) RBC hemolysis
c) Leukocyte destruction
d) All of the above
Ans: b) RBC hemolysis

129. To measure periodontitis in a large population, what is used
a) Gingival index
b) Periodontal index
c) Plaque index
d) …
Ans:

130. Smoking is a predisposing factor to
a) ANUG
b) Juvenile periodontitis
c) Lichen planus
d) Hepatitis
Ans: ANUG

131. Juvenile periodontitis is due to
a) Decreased phagocytosis
b) Defect in neutrophil chemotaxic activity
c) …
d) …
Ans: b) Defect in neutrophil chemotaxic activity

132. Interdental col is susceptible to periodontal diseases due to
a) Non keratinized epithelium
b) It is difficult to clean
c) Highly prone to plaque accumulation
d) All the above
Ans: d) All of the above

133. true abt primary teeth
a)all calcify before birth
b)all primary n perm. incisors calcify before birth

134. Delayed hypersensitivity is found in periodontal infections due to
a) Sensitized T-lymphocyte to bacterial plaque
b) B lymphocyte
c) Immunoglobulins….
d) Immunecomplexes…..
Ans: a)Sensitized T-lymphocyte to bacterial plaque

135. Delayed hypersensitivity is found in periodontal infections due to [Repeat]
a) Sensitized T-lymphocyte to bacterial plaque
b) B lymphocyte
c) Immunoglobulins…..
d) All of the above
Ans: a)Sensitized T-lymphocyte to bacterial plaque


136.The difference between supragingival and subgingival calculus is the composition of supragingival calculus
a)
b) Plaque bacterial mass
c) Gm – ve organisms predominant
d) …
Ans: a) Varies with the intake of diet

137. A tooth has apical migration of epithelial attachment.Along with it gingival recession occurs.The tooth has
a) Shallow sulcus
b) Periodontal pocket
c) Gingival pocket
d) …
Ans:

138. Organism not seen in periodontal disease
a) Velionella
b) Fusobacterium
c) Neisseria
d) Spirochaets
Ans: c) Neisseria