MCQs on Developmental Disturbances of Orofacial region - Oral Pathology Part 3

# 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

# Epstein pearls are :
A. Gingival cyst of the newborn
B. Gingival cyst of adult
C. Enamel pearls
D. Epithelial rests

# Which of the following is not hereditary ?
A. Amelogenesis imperfecta
B. Cleidocranial dysostosis
C. Regional odontodysplasia
D. Dentinogenesis imperfecta

# The second most common supernumerary tooth is :
A. Mesiodens
B. Distal to third molar in maxilla
C. Distal to mandibular third molar
D. Paramolars

# Turner's hypoplasia most commonly affects :
A. Deciduous maxillary anteriors
B. Deciduous mandibular anteriors
C. Permanent maxillary anteriors
D. Permanent mandibular anteriors

# Shell teeth are more common in this variant of dentinogenesis imperfecta :
A. Type I
B. Type II
C. Type III
D. Type III and I

# Complete obliteration of pulp is seen in all except :
A. Type I dentinogenesis imperfecta
B. Type II dentinogenesis imperfecta
C. Type III dentinogenesis imperfecta
D. Dentin Dysplasia

# Which of the following is unlikely to cause enamel hypoplasia ?
A. Rickets
B. Fluoride
C. Congenital syphilis
D. Cleidocranial dysostosis

# Mulberry molars are characteristic features of :
A. Severe fluorosis
B. Trauma at the time of birth
C. Congenital Syphilis
D. Due to chronic suppurative abscess in overlying gingival tissue

# Talon's cusp is characteristic of which syndrome ?
A. Edward's syndrome
B. Klinefelter's syndrome
C. Rubinstein-Taybi Syndrome
D. Down's Syndrome

# Thistle tube appearance of pulp chamber is a feature of :
A. Coronal dentin dysplasia
B. Regional odontodysplasia
C. Dentinogenesis imperfecta
D. Amelogenesis imperfecta

# A bony hard asymptomatic swelling found on the midline of the hard palate, that appears radioopaque on a radiograph is most likely a :
A. Odontoma
B. Myxoma
C. Bony Cyst
D. Torus palatinus
# Which of the following conditions is characterized by abnormally large pulp chambers ?
A. Amelogenesis imperfecta
B. Regional odontodysplasia
C. Dentinogenesis imperfecta
D. Dentinal dysplasia type I

# In Treacher's collins syndrome, there is :
A. Upward sloping of the palpebral fissure
B. Poorly developed or absence of malar bones
C. Progenia and mandibular prognathism
D. No loss of hearing

# Pierre Robin syndrome is associated with :
A. Micrognathia
B. Cleft of the lip and palate
C. Tetralogy of Fallot
D. Syndactyly

# Which of the following teeth is most likely to be congenitally missing ?
A. Maxillary central incisor
B. Mandibular canine
C. Mandibular second premolar
D. Maxillary first premolar

# Which of the following dentitions shows the highest frequency of occurence of supernumerary teeth ?
A. Maxillary deciduous dentition
B. Maxillary permanent dentition
C. Mandibular deciduous dentition
D. Mandibular permanent dentition

# The inheritance pattern of dentinogenesis imperfecta is :
A. Homozygous
B. Autosomal dominant
C. Recessive
D. X linked recessive

# Heck's disease is another name for :
A. Focal epithelial hyperplasia
B. Fibromatosis gingiva
C. Oral melanotic macule
D. Hereditary intestinal polyposis syndrome

# Large pulp chambers are characteristic of all the following conditions except :
A. Shell teeth
B. Taurodontism
C. Dentin dysplasia
D. Dentinogenesis imperfecta
# Dens in dente is commonly seen in :
A. Premolars
B. Paramolars
C. Lateral incisors
D. Maxillary canine

# Taurodontism is usually seen in:
A. Mesiodens
B. Incisor with talon/cusp
C. Mandibular first molar
D. Maxillary premolars

# Puetz - Jegher Syndrome is characterized by :
A. Deafness
B. Multiple supernumerary teeth
C. Multiple intestinal polyposis
D. Scleroderma

# Which one of the following is the cause of dilacerations ?
A. Trauma to the tooth germ during root development
B. Abnormal displacement of tooth germ during root development
C. Abnormal proliferation of enamel epithelium during tooth development
D. Abnormal displacement of ameloblasts during tooth formation

# PARULIS is an inflammatory enlargement seen in :
A. End of sinus tract
B. Extraction socket
C. Due to irritation from calculus / overhanging restoration
D. None of the above

# Dentinal union of two embryologically developing teeth is referred as :
A. Gemination
B. Twinning
C. Concrescence
D. Fusion

# In hypodontia, the most commonly affected tooth is :
A. Permanent third molar
B. Permanent second premolar
C. Permanent lateral incisor
D. Permanent Canine

# The torus mandibularis is most commonly seen in the region of :
A. Incisor region
B. Canine region
C. Molar region
D. Premolar region

# Submerged teeth are :
A. Ankylosed teeth
B. Unerupted teeth
C. Impacted teeth
D. Intruded teeth

# The cyst located at the junction of medial nasal process, lateral nasal process and maxillary process is :
A. Globulomaxillary cyst
B. Median palatine cyst
C. Nasopalatine cyst
D. Nasoalveolar cyst

# The most common congenital defect of face and jaw is :
A. Macrostomia
B. Fetal alcohol syndrome
C. Cleft lip and palate
D. Ectodermal dysplasia

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