1. Stratum granulosum is not present in a) Hyper orthokeratosis b) Hyper parakeratosis c) Non keratinized epithelium d) Sulcular epithelium

The oral cavity is lined by a mucous membrane (the oral mucosa) consisting of a stratified squamous epithelium, which may or may not be keratinized, and an underlying connective tissue layer, the lamina propria.

1. Which of the following statement is correct? A. Enamel cannot form in absence of dentin B. The formation of enamel and dentin are independent of each other C. Enamel formation can occur in absence of dentin D. None of the above

enamel organ: growth of dental lamina, 10 in maxilla and 10 in mandible arranged in the form of horse shoe shape Dental papilla : ectomesenchymal condensation below the enamel organ Dental sac or dental follicle: ectomesenchyme surrounding enamel organ and dental papilla

1. Primary dentition period is A. From birth to 11 years B. From 6 months to 11 years C. From 6 months to 6 years D. From 6 years to 11 years

PRIMARY DENTITION Starts erupting at 6 months of age and upto 12 years PERMANENT DENTITION Starts erupting at 6 years of age and persists throughout the life

1. Which of the following is true of cellular cementum ? A. Seen at the coronal portion of the tooth B. Forms after the eruption of the tooth C. Forms during root formation D. Formation is a slow process

• Derived from dental follicle • Hard, Calcified, avascular mesenchymal tissue • Yellowish in color • Lighter and less harder than dentin • Permeable

1. The human teeth are A. Haplodont B. Triconodont C. Bunodont D. All of the above

1. UNIVERSAL SYSTEM: UNIVERSAL SYSTEM OF NOTATION FOR PRIMARY DENTITION IS: 1. UNIVERSAL SYSTEM: UNIVERSAL SYSTEM OF NOTATION FOR PRIMARY DENTITION IS: 1. UNIVERSAL SYSTEM: UNIVERSAL SYSTEM OF NOTATION FOR PRIMARY DENTITION IS: FOR PERMANENT DENTITION

1.The last primary tooth to be replaced by a permanent tooth Is usually the a) Maxillary second molar b) Mandibular second molar c) Maxillary canine d) […]

 Tooth Eruption  Movement of the tooth in the oral cavity from its development position to its functional position.  Human beings are Diphyodonts (2 sets of dentition)

1. In cephalo metric radiography the distance between the subject and the source of X ray is A. 2 feet B. 48 inches C. 4.8 metres D. 5 feet

ADJUNCTS IN EXTRAORAL RADIOGRAPHY – Intensifying screens – Grids – Digital radiography

1. Size of the bitewing film is A. 32×41mm B. 22×35mm C. 57×76mm D. 75×90mm

X RAY FILMS AND PROCESSING X ray film is composed of BASE and EMULSION. BASE - EMULSION - LEAD FOIL

1. Mean exposure of radiation from pantamograph is A. 90mR B. 120mR C. 250mR D. 300mR

Individuals working in radiology departments have more occupational exposure to radiation that non radiation occupations. So the risk of being affected with canser is high in radiation workers

1. Which of the following is not characteristic of congenital syphilis A. Ghon complex B. Interstitial keratitis C. Mulberry molars D. Notched incisors

1. In individuals with HIV, opportunistic infections are: a. More frequent b. Less frequent c. Non-existent d. None of the above

Syphilis is caused by Treponema pallidum, a spirochete and its characterized by episodes of active disease, interrupted by the period of latency. This gram positive, motile, microaerophilic spirochete is pathogenic to humans...

AIDS Acquired immunodeficiency syndrome (AIDS) is a chronic, potentially life-threatening condition caused by the human immunodeficiency virus (HIV) (Retrovirus).

1. Sjogrens syndrome includes all except a) Xerostomia b) Keratoconjunctivitis c) Arthritis d) Lymphoma

Sjögren’s syndrome is an autoimmune condition that results in abnormal dryness of the mouth, eyes and/or other tissues as well as swelling of glands around the face & neck.

1. Tic douloureux is assosciated with which of the following nerves A. 7th nerve B. 3rd nerve C. 5th nerve D. None of the above

* A major neuralgia involving teeth, face and jaws. * Usually occurs among middle aged people (above 35 years of age) and right side of the face is affected more frequently that the left side.

1. Oral thrush develops in infants at______? A. 3days B. 2-6 weeks C. 10-12 weeks D. 18 mouths

Also known as moniliasis or thrush or candidosis Caused by Candida albician CLASSIFICATION Primary Oral Candidiasis Secondary candidiasis

1.Pleomorphic adenoma Arises from a. Myo epithelial cells b. Acinar cells c. Connective tissue d. Stem cells

• Benign epithelial tumor arising in salivary gland. • Earlier it arises from epithelial and connective tissue. Therefore mixed tumour but later it is confirmed that it arises from epithelial tissue due to its morphological complicity.