MCQs on Developmental Disturbances of Orofacial Region - Oral Pathology Part 2

# Bohn's nodules are :
A. Cystic swellings in neonates
B. Cysts associated with soft palate
C. Cysts of gingiva in growing children
D. Warts on the tongue

# False about anodontia :
A. May involve both the deciduous and the permanent dentition
B. In false anodontia, tooth doesn't undergo full development
C. may involve a single tooth
D. In total anodontia , all teeth are missing

# Turner's tooth is seen in :
A. enamel hypoplasia due to hypocalcemia
B. enamel hypoplasia due to birth injuries
C. enamel hypoplasia due to congenital syphilis
D. enamel hypoplasia due to local infection or local trauma

# All are true about supernumerary tooth except :
A. may have resemblance to normal teeth
B. distomolars does not resemble any other tooth
C. Mesiodens is the most common supernumerary tooth
D. more common in mandible

# Dental anomaly of teeth associated with defective bone formation is seen in :
A. Amelogenesis imperfecta
B. dentinogenesis imperfecta
C. Odontodysplasia
D. Osteitis deformans

# Fusion of teeth is more common in :
A. Primary dentition
B. Permanent dentition
C. Mixed dentition
D. None of the above

# Multiple osteomas, multiple polyposis, supernumerary teeth are found in __________ syndrome :
A. Reiter's
B. Peutz - jeghers
C. Gardner's
D. Behcet's

# Prolonged administration of broad spectrum antibiotics results in the formation of :
A. Black hairy tongue
B. Median rhomboid glossitis
C. Geographic tongue
D. Fissured tongue

# Hairy tongue is characterized by :
A. Hypertrophy of fungiform papillae
B. Hypertrophy of filiform papillae
C. Hypertrophy of foliate papillae
D. Hypertrophy of circumvallate papillae

# A four year old child has less number of teeth and lateral incisors with bifurcated roots with two root canals. This condition is called:
A. Dilaceration
B. Concrescence
C. Gemination
D. Fusion
# Nasolabial cyst is thought to arise from :
A. Remnants of cell rests of Serres
B. Remnants of cell rests of Malassez
C. Remnants of cell rests of embryonic lacrimal duct
D. Maxillary sinus lining epithelium

# Microdontia is seen most commonly affecting :
A. Maxillary lateral incisor
B. Mandibular second premolar
C. Mandibular central incisor
D. Mandibular first premolar

# Taurodontism is characterized by :
A. Hypercementosis
B. Elongated wide pulp canals and short roots
C. Obliterated pulp chambers with secondary dentine deposition
D. Rootless teeth with thin shell of enamel

# Mottled enamel is due to :
A. Vitamin A deficiency
B. Excess of fluoride
C. Vitamin D deficiency
D. Teratogens

# Which of the following is a Fissural Cyst ?
A. Dentigerous cyst
B. Primordial Cyst
C. Nasopalatine cyst
D. Radicular cyst

# Bifid tongue, a congenital anomaly occurs due to non-fusion of :
A. Tuberculum impar and lateral lingual swellings
B. Hypobranchial eminence and tuberculum impar
C. The two lateral lingual swellings
D. Some of the above

# Anodontia affects the growth of :
A. Maxilla
B. Mandible
C. Alveolar bone
D. Cranium

# Delayed eruption of at least part of the dentition is a recognized feature of all of the following except :
A. Rickets
B. Congenital hyperthyroidism
C. Cleidocranial dysplasia
D. Cherubism

# About geographic tongue, all are true except :
A. Lesions may be bilaterally symmetrical on tongue
B. No treatment is required
C. Is a precancerous condition
D. May be related to emotional stress

# Which of the following dental sequel is likely in child with a history of generalised growth failure (failure to thrive) in the first 6 months of life ?
A. Retrusive maxilla
B. Enamel hypoplasia
C. Retrusive mandible
D. Dentinogenesis imperfecta
# A 4 year old child has a normal complement of primary teeth, but they are gray and exhibit extensive occlusal and incisal wear. Radiographic examination indicates extensive deposits of secondary dentin in these teeth. This condition is most likely :
A. Neonatal hypoplasia
B. Amelogenesis imperfecta
C. Cleidocranial dysplasia
D. Dentinogenesis imperfecta

# A developmental abnormality characterized by the presence of fewer than the usual number of teeth is :
A. Anodontia
B. Oligodontia
C. Microdontia
D. Dens in dente

# Median rhomboid glossitis is asssociated with :
A. Oral cancer
B. Fungal infection
C. Leukoplakia
D. Burning sensation of tongue

# Most commonly submerged tooth is :
A. Mandibular primary first molar
B. Mandibular primary second molar
C. Maxillary primary first molar
D. Maxillary primary second molar

# Epstein pearls are cysts that arise from ?
A. Squamous tissue of the mucosa
B. Connective tissue of the mucosa
C. Rests of the Malassez
D. Dental Lamina

# A dens in dente is caused by :
A. An abnormal proliferation of pulp tissue
B. Denticle formation within the pulp tissue
C. A deep invagination of the enamel organ during formation
D. A supernumerary tooth bud enclaved within a normal tooth

# In children the most frequently missing permanent teeth are :
A. First premolars
B. Second premolars
C. Maxillary lateral incisors
D. Mandibular lateral incisors

# Hutchinson's incisors are present in:
A. Congenital syphilis
B. Tertiary syphilis
C. Secondary syphilis
D. Acquired syphilis

# A 15 year old boy shows an inverted pear shaped radiolucency between the upper central incisors. The teeth are normal in all aspects. The most likely diagnosis is :
A. Globulomaxillary cyst
B. Nasopalatine cyst
C. Aneurysmal cyst
D. Dentigerous cyst

# Odontodysplasia is most common in :
A. Mandibular premolar
B. Mandibular canine
C. Mandibular third molar
D. Maxillary central incisor

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