MCQs on Developmental disturbances of Orofacial Region - Oral Pathology Part 4

# The cyst which is found within the bone at the junction of the globular process, the lateral nasal process and maxillary process is :
A. Naso-alveolar cyst
B. Globulomaxillary cyst
C. Nasopalatine cyst
D. Mid palatine cyst

# The histological appearance of " lava following around boulders in dentin dysplasia " suggests :
A. Attempt to repair the defective dentin
B. Abrupt arrest to dentin formation in crown
C. Abnormal dentin formation in disorganised fashion
D. Cascades of dentin to form root

# A four year old child with one tooth less than the normal dentition shows a large tooth with two crowns and two root canals. The anomaly is :
A. Dilaceration
B. Fusion
C. Concrescence
D. Gemination

# Which of the following is most common developmental cyst ?
A. Nasopalatine cyst
B. Naso- alveolar cyst
C. Globulomaxillary cyst
D. Median palatal cyst

# A 6 year old patient with extra cusp on maxillary central incisor is associated with all except :
A. Mohr's syndrome
B. Sturge- weber syndrome
C. Rubinstein Taybi Syndrome
D. Proteus Syndrome

# Taurodontism is seen in :
A. Klinefelter's syndrome
B. Sturge weber syndrome
C. Down syndrome
D. Turner syndrome

# Static bone cyst is cyst developing from ?
A. Infection of salivary gland in the mandible
B. Tissue of odontogenic apparatus
C. Tissue of the oral mucosa
D. None of the above

# Most common site for melanotic neuroectodermal tumor of infancy (MNTI) is :
A. Maxilla
B. Mandible
C. Ethmoid bone
D. Cervical Spine

# A girl suffering from browning of teeth, wearing of enamel but not cavitory. OPG shows obliteration of pulp with narrowing of canal and deposition of secondary dentin, she gave the history that out of her four brothers, 2 are suffering from the same disease. She is suffering from :
A. Amelogenesis imperfecta
B. Dentinogenesis imperfecta
C. FLuorosis
D. Odontodysplasia

# Cysts associated with vital teeth are :
A. Dentigerous cyst, Globulomaxillary teeth , Lateral periodontal cyst , OKC
B. Dentigerous cyst , Globulomaxillary cyst , Radicular cyst
C. Dentigerous cyst , OKC , radicular cyst
D. B and C

# Failure of descent of thyroid analage can be seen in the tongue :
A. In anterior 2/3 of dorsal aspect
B. In posterior 1/3 of dorsal aspect
C. Near the base of the tongue close to foramen caecum
D. In anterior 2/3 of inferior surface

# Premaxilla - Premaxillary cyst :
A. Nasoalveolar cyst
B. Nasopalatine cyst
C. Incisive canal
D. Globulomaxillary cyst
# Geographic tongue is of red color because of :
A. Infiltration of eosinophils
B. Infiltration of neutrophils
C. Both of the above
D. None of the above

# According to Veau's classification of cleft lip and palate , isolated cleft palate falls under :
A. Group I
B. Group II
C. Group III
D. Group IV

# Developmental enamel defects are most commonly seen in :
A. Primary incisors
B. Primary second molar
C. Permanent incisors
D. Permanent first molar

# Based on the degree to which apical displacement of the pulpal floor is seen , " Cynodont " is the name given to :
A. Hypotaurodont
B. Mesotaurodont
C. Hypertaurodont
D. Normal tooth
# Fordyce granules mostly occurs in all of the following areas EXCEPT :
A. Vermillion of the lip
B. Posterior tonsillar pillar
C. Alveolar ridge
D. Palate

# Brittle bone syndrome is caused by :
A. Improper synthesis of procollagen
B. Polymerisation of collagen
C. Increased osteoclastic activity
D. Increased fibroblastic activity

# A 7 year old child has yellowish discoloured spot of maxillary central incisor. His mother presents a history of injury to deciduous tooth three years back with recurrent infections and swelling. The diagnosis is :
A. Turners hypoplasia
B. Generalised dental fluorosis
C. Syphillitic hypoplasia
D. Rickets hypomineralisation

# Marked reduction in amount of dentin, widening of predentin layer, presence of large area of interglobular dentin and irregular pattern of dentin is seen in :
A. Hypocalcified dentin
B. Odontodysplasia
C. Dentin dysplasia
D. Dentinogenesis imperfecta

# Amelogenesis imperfecta is a disorder of :
A. Ectoderm
B. Mesoderm
C. Endoderm
D. Ecto and Mesoderm

# A child has marked difference of crown, root size, eruption pattern of left and right side of jaw. The condition is :
A. Crouzan Syndrome
B. Hemifacial hypertrophy
C. Cherubism
D. Achondroplasia

# Hypodontia is mainly found in all, except :
A. Papillon Levefre syndrome
B. Osteopetrosis
C. Cleidocranial dysostosis
D. Ectodermal dysplasia

# Most characteristic feature of mandibulofacial dysostosis is :
A. Normal hearing
B. Normal vision with coloboma
C. Mandibular prognathism
D. Vertical maxillary excess

# How will you differentiate between fibrous dysplasia and facial hemiatrophy ?
A. Size of the face
B. Distance between the anatomical soft tissue landmarks from midline
C. Shape, size and difference in eruption pattern of teeth
D. Shape of tooth and supporting structures

# A true cyst which is derived from stellate reticulum and grows in place of tooth is known as ?
A. Primordial cyst
B. Eruption cyst
C. Dentigerous cyst
D. Radicular cyst

# Supernumerary tooth, tooth within tooth is most commonly seen in :
A. Maxillary lateral incisors
B. Mandibular second premolar
C. Mandibular incisors
D. Mandibular central and lateral incisors

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