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MCQs on Developmental Disturbances of Orofacial Region - Oral Pathology Part 1


# 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
C. the result of faulty enamel matrix formation
D. characterized by calcification of pulp chambers and the root canals of the teeth
# The most common supernumerary tooth form is :
A. Tuberculated
B. Conical
C. Screw shaped
D. Incisor shaped

# A patient notices a well demarcated area of depapillation on his tongue which has been there for as long as he can remember. The most probable diagnosis:
A. Median rhomboid glossitis
B. Geographic tongue
C. Black hairy tongue
D. Moeller's glossitis

# Fordyce's spots are:
A. fat tissue embedded in buccal mucosa
B. Red spots
C. Present on the cheek mucosa lateral to the angle of the mouth
D. All of the above

# Most common missing tooth in the permanent dentition is :
A. Maxillary canine
B. Maxillary first molar
C. Mandibular second premolar
D. Mandibular first molar

# Hypoplastic defects in permanent central and lateral incisors are likely to result due to severe illness or other factors during :
A. first nine months of life
B. First two years of life
C. First month of life
D. Two or three years of life

# Ectopic sebaceous glands in the mouth are called:
A. Linea alba buccalis
B. Heck's disease
C. Lingual varices
D. Fordyce spots

# Gardner syndrome does not include :
A. Osteomas
B. Epidermoid cysts
C. Osteosarcoma
D. Impacted permanent teeth

# Lingual tonsil arises:
A. as developmental anomalies
B. from carcinomatous transformation
C. as a result of hyperplasia
D. due to repeated trauma in the area

# Dentinogenesis imperfecta is:
A. Autosomal dominant
B. Autosomal recessive
C. Sex linked recessive
D. Not a inheritable trait

# Clinical evidence of dentinogenesis imperfecta is :
A. Defective enamel and dentine
B. Defective dentine and obliterated pulp chamber
C. Increased rate of caries
D. Oligodontia

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