A union of the roots of adjacent teeth through the cementum is referred to as :
A. Concrescence
B. Fusion
C. Gemination
D. None of the above
# The term dilaceration refers to :
A. A deformity of a tooth consisting of a sharp bend in the root
B. Abrasions on two surfaces of a single tooth
C. A root or tooth that is split into two
D. A tooth that is fractured at two or more places
# Peg-shaped incisors which taper towards the incisal edge are typically seen
in all of the following conditions except :
A. Congenital syphilis
B. Rickets
C. Anhidrotic ectodermal dysplasia
D. Supernumerary teeth
# In Erythema migrans , which papilla of the tongue are absent ?
A. Fungiform
B. Foliate
C. Filiform
D. Circumvallate
# Globulomaxillary cyst is :
A. Soft tissue cyst present often between maxillary lateral incisor and cuspid teeth
B. Often present between incisor and cuspid teeth but is a bone cyst
C. A cyst present between the midline of the palate
D. A cyst present in the incisive canal
# Which of the following features are of naso-alveolar cyst ?
A. An ovoid shaped radiolucency above the lateral incisor and canine teeth
B. Erosion of base above lateral incisor and canine teeth
C. An inverted funnel shaped radiolucent lesion above the roots of lateral incisor
and canine teeth
D. A pear shaped radiolucent lesion between roots of lateral incisor and canine teeth
# Facial edema , cheilitis granulomatosa and fissured tongue characterize
which of the following syndromes ?
A. Frey's Syndrome
,B. Melkerson-Rosenthal syndrome
C. Treacher Collins syndrome
D. Down's Syndrome
# Which of the following is a soft tissue cyst which do not produce any
radiographic changes ?
A. Nasolabial cyst
B. Nasopalatine cyst
C. Mid alveolar cyst
D. Palatine cyst
# The syndrome which consists of cleft palate, micrognathia and glossoptosis
is known as :
A. Marfan's syndrome
B. Crouzon's syndrome
C. Paget's disease
D. Pierre Robin syndrome
# Developing ameloblasts are affected by the ingestion of high fluoride
content water resulting in :
A. Turners tooth
B. Hutchinson's tooth
C. Mottled enamel
D. Moon's molars
# Teeth that erupt within 30 days of birth are called :
A. Natal teeth
B. Neonatal teeth
C. Primary teeth
D. Prenatal teeth
# A permanent tooth with local hypoplastic deformity in crown is called :
A. Turner's tooth
B. Taurodontism
C. Enameloma
D. Ghost teeth
# True ankyloglossia occurs as a result of :
A. Union between tongue and floor of mouth/ventral surface of tongue
B. Absence of lingual frenum
C. Lingual frenum attached to the tip of the tongue
D. Short lingual frenum
, # True generalised microdontia is characterised by:
A. Small teeth with large jaws
B. Small teeth with small jaws
C. Smaller teeth than the normal
D. Large teeth with small jaws
# Gemination of teeth occur due to :
A. division of a single tooth bud after calcification
B. division of a single tooth bud before calcification
C. fusion of two teeth before calcification
D. fusion of two teeth after calcification
# A deep pit lined by enamel seen in the lingual surface of maxillary lateral
incisor is most likely to be :
A. Dens in dente
B. Enamel hypoplasia
C. Talon's cusp
D. Enamel cusp
# Ghost teeth is seen in which of the following ?
A. Dens in dente
B. Regional odontodysplasia
C. Dentin dysplasia
D. None of the above
# Which of the following lesions does not give blood on aspiration ?
A. Hemangioma
B. Static bone cyst
C. Central giant cell granuloma
D. Aneurysmal bone cyst
# Absence of pulp chambers is seen in :
A. Craniofacial dysostosis
B. Dentinogenesis imperfecta
C. Amelogenesis imperfecta
D. Any of the above
# Dentinogenesis imperfecta differs from amelogenesis imperfecta in that, the
former is:
A. a hereditary disturbance
B. the result of excessive fluoride ingestion
A. Concrescence
B. Fusion
C. Gemination
D. None of the above
# The term dilaceration refers to :
A. A deformity of a tooth consisting of a sharp bend in the root
B. Abrasions on two surfaces of a single tooth
C. A root or tooth that is split into two
D. A tooth that is fractured at two or more places
# Peg-shaped incisors which taper towards the incisal edge are typically seen
in all of the following conditions except :
A. Congenital syphilis
B. Rickets
C. Anhidrotic ectodermal dysplasia
D. Supernumerary teeth
# In Erythema migrans , which papilla of the tongue are absent ?
A. Fungiform
B. Foliate
C. Filiform
D. Circumvallate
# Globulomaxillary cyst is :
A. Soft tissue cyst present often between maxillary lateral incisor and cuspid teeth
B. Often present between incisor and cuspid teeth but is a bone cyst
C. A cyst present between the midline of the palate
D. A cyst present in the incisive canal
# Which of the following features are of naso-alveolar cyst ?
A. An ovoid shaped radiolucency above the lateral incisor and canine teeth
B. Erosion of base above lateral incisor and canine teeth
C. An inverted funnel shaped radiolucent lesion above the roots of lateral incisor
and canine teeth
D. A pear shaped radiolucent lesion between roots of lateral incisor and canine teeth
# Facial edema , cheilitis granulomatosa and fissured tongue characterize
which of the following syndromes ?
A. Frey's Syndrome
,B. Melkerson-Rosenthal syndrome
C. Treacher Collins syndrome
D. Down's Syndrome
# Which of the following is a soft tissue cyst which do not produce any
radiographic changes ?
A. Nasolabial cyst
B. Nasopalatine cyst
C. Mid alveolar cyst
D. Palatine cyst
# The syndrome which consists of cleft palate, micrognathia and glossoptosis
is known as :
A. Marfan's syndrome
B. Crouzon's syndrome
C. Paget's disease
D. Pierre Robin syndrome
# Developing ameloblasts are affected by the ingestion of high fluoride
content water resulting in :
A. Turners tooth
B. Hutchinson's tooth
C. Mottled enamel
D. Moon's molars
# Teeth that erupt within 30 days of birth are called :
A. Natal teeth
B. Neonatal teeth
C. Primary teeth
D. Prenatal teeth
# A permanent tooth with local hypoplastic deformity in crown is called :
A. Turner's tooth
B. Taurodontism
C. Enameloma
D. Ghost teeth
# True ankyloglossia occurs as a result of :
A. Union between tongue and floor of mouth/ventral surface of tongue
B. Absence of lingual frenum
C. Lingual frenum attached to the tip of the tongue
D. Short lingual frenum
, # True generalised microdontia is characterised by:
A. Small teeth with large jaws
B. Small teeth with small jaws
C. Smaller teeth than the normal
D. Large teeth with small jaws
# Gemination of teeth occur due to :
A. division of a single tooth bud after calcification
B. division of a single tooth bud before calcification
C. fusion of two teeth before calcification
D. fusion of two teeth after calcification
# A deep pit lined by enamel seen in the lingual surface of maxillary lateral
incisor is most likely to be :
A. Dens in dente
B. Enamel hypoplasia
C. Talon's cusp
D. Enamel cusp
# Ghost teeth is seen in which of the following ?
A. Dens in dente
B. Regional odontodysplasia
C. Dentin dysplasia
D. None of the above
# Which of the following lesions does not give blood on aspiration ?
A. Hemangioma
B. Static bone cyst
C. Central giant cell granuloma
D. Aneurysmal bone cyst
# Absence of pulp chambers is seen in :
A. Craniofacial dysostosis
B. Dentinogenesis imperfecta
C. Amelogenesis imperfecta
D. Any of the above
# Dentinogenesis imperfecta differs from amelogenesis imperfecta in that, the
former is:
A. a hereditary disturbance
B. the result of excessive fluoride ingestion
