Oral Patho Chapter 2

25 Questions | By Shahdosama142 | Last updated: Mar 20, 2022 | Total Attempts: 32

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1.

Suppernumerary teeth appears in all these locations except
- A.
  
  Mesiodense (between two central)
- B.
  
  Paramolars
- C.
  
  Distopremolars
- D.
  
  Distomolars
2.

When all teeth in both arches are in their normal size but appear small in compare with arches size, we call this
- A.
  
  True generalized microdontia
- B.
  
  Relative generalized microdontia
- C.
  
  True generalized macrodontia
- D.
  
  Relative generalized macrodontia
3.

Microdontia of one or two teeth appears with downe syndrome & congenital heart disease
- A.
  
  True
- B.
  
  False
4.

A molar with elongated crown and apically placed furcation of root resulting in an enlarged rectangular pulp chamber is
- A.
  
  Dilaceration
- B.
  
  Taurodontism
- C.
  
  Gemination
- D.
  
  Hypercementosis
5.

Surgical extraction is the treatment for impacted teeth
- A.
  
  True
- B.
  
  False
6.

Premature eruption happens in permanent teeth due to
- A.
  
  Hypothroidism
- B.
  
  Hyperthyroidism
7.

Supernumerary teeth has effect in all these except
- A.
  
  Malposition
- B.
  
  Root resorption
- C.
  
  Dentigerous cyst development
- D.
  
  Deformed teeth (conical crowm)
8.

One of the following could happen with macrodontia
- A.
  
  Cross bite
- B.
  
  Crowding
- C.
  
  Root resorption
- D.
  
  Fusion
9.

Hypodontia appears in female more than male
- A.
  
  True
- B.
  
  False
10.

Regarding to supernumerary cusp
- A.
  
  Carabelli cusp appears in maxillary second molar
- B.
  
  Talon cusp appears in maxillary first molar
- C.
  
  Talon cusp appears in maxillary central incisors
- D.
  
  Carabelli cusp appears in maxillary central incisors
11.

Dens invaginatous appears in
- A.
  
  Maxillary central incisors
- B.
  
  Maxillary lateral incisors
- C.
  
  Mandibular central incisors
- D.
  
  A+B
- E.
  
  A+C
12.

It is a rare malformation of tooth, infolding of enamel & dentin, happens before calcification occurs
- A.
  
  Hypoplasia
- B.
  
  Hypertrophy
- C.
  
  Dens invaginatous
- D.
  
  Taurodontism
13.

It is a single rooted tooth with two separated crowns, appears in primary more than permanent
- A.
  
  Fusion
- B.
  
  Gemination
14.

It is a disturbance of eruption that happens due to systemic causes like rickets and cleidocranial dysplasia
- A.
  
  Delayed eruption
- B.
  
  Premature eruption
15.

Premature eruption mostly happens in primary lower central incisors
- A.
  
  True
- B.
  
  False
16.

Supernumerary root mostly happens in all these teeth except
- A.
  
  Wisdom tooth
- B.
  
  Mandibular molars
- C.
  
  Mandibular premolars
- D.
  
  Mandibular canines
17.

It is an abnomaly in teeth that happens between two adjacent teeth causing reducing in teeth number
- A.
  
  Fusion
- B.
  
  Gemination
18.

It is an abnomaly in teeth due to confluence of the cementum (hypercementosis), union of roots of two normal teeth
- A.
  
  Taurodontism
- B.
  
  Concrescense
- C.
  
  Fusion
- D.
  
  Supernumerary root
19.

Congenital syphilis appears on teeth as
- A.
  
  Hutchison incisors and mulberry premolars
- B.
  
  Hutchison molars and mulberry incisors
- C.
  
  Hutchison incisors and mulberry molars
- D.
  
  Hutchison molars and mulberry canines
20.

Hypercementosis is common in all these except
- A.
  
  Teeth subjected to heavy occlusal forces
- B.
  
  Pagets disease of bone
- C.
  
  Premature teeth
- D.
  
  Periapical inflammation
21.

A type of amelogenesis imperfiction in which the enamel is in its normal thickness but extremely brittle and pronning to staining and wearing
- A.
  
  Hypocalcified
- B.
  
  Hypoplastic
- C.
  
  Hypomaturation
22.

Amelogenesis imperfecta affect primary & permanent and causes a soft chalky enamel
- A.
  
  True
- B.
  
  False
23.

A type of amelogenesis imperficta in which enamel is hard & translucent and has an abnormal thickness
- A.
  
  Hypoclacified
- B.
  
  Hypoplastic
- C.
  
  Hypomaturation
24.

Dentinogenesis imperfecta is a hereditary disorder, appears with short blunt roots and discoloration
- A.
  
  True
- B.
  
  False
25.

Most common type of dentinogenesis imperfecta
- A.
  
  Type I ( with osteogenesis imperfecta)
- B.
  
  Type II (teeth only affected)
- C.
  
  Type III (occurs in maryland)