A. Hypocalcified rods

B. Ameloblasts

C. Cracks

A. Cementum and periodontal ligament

B. Gingiva and cementum

C. Gingiva, cementum and alveolar bone

A. TMJ

B. Skeletal muscle

C. None of the above

A. Adolescent stage

C. None of the above

D. 5-10 years

A. Inner pulpal layer contains more dentinal tubules than outer dentin layer

C. The diameter of dentinal tubule is more at pulpal layer than outer layer

D. The bonding is more on the inner layer of dentin compared to outer surface

A. Less irregular

C. First formed cementum

D. More calcified than acellular type

A. Dentin

B. Bone

D. Gingiva

A. 0.7 mm

B. 0.3 mm

D. 0.2 mm

A. Hypoplacification

B. Hyperplasia

C. Interstitial development

A. Does not exhibit features of either dentin of cementum

B. Represents area of entrapment of hertwigs sheath in dentin or cementum

C. Predominantly seen in apical tow thirds of roots of molars and premolars and is rare in incisors or deciduous teeth

B. No change occurs

C. Delayed eruption

D. Ankylosis may occur

A. 60%

B. 90%

D. 10%

A. Water irrigation

B. None of the above

D. Dehydration

A. Enamelin

C. Tuftelin

D. Sheathlin

A. Square of the diameter

B. Third power of the diameter

D. Sixth power of the diameter

A. Does not take place once enamel surface and invironment

B. Stops after 2 years of eruption

D. Continues till adult life

B. Enamel of premolars

C. Enamel of permanent incisors

D. Dentin of all teeth, as if is formed first

A. Buccal gingiva

C. Lingual gingiva

D. Oral surface of lip

A. Type III

B. Type II

C. Type I

A. Appear as circular with an amorphous core in keratinized epithelium

C. Packed with tonofilaments

D. Helps in adhesion of fully keratinized epithelial cells

A. Floor of the mouth

B. Buccal mucosa

C. Alveolar mucosa

A. St. basale

B. Prickle cell layer

C. St. spinosum

A. IV

B. III

D. II

A. Primary teeth

C. Both A and B

D. None of the above

A. Lymphocyte

B. Merkel cell

C. Melanocyte

A. Foliate

C. Circumvallate

D. Fungiform

A. Odontoblasts

B. Osteoblasts

C. Osteoclasts

A. Orthokeratinized

B. Parakeratinised

D. Keratinized

A. By using 10% formalin

B. By using 5% nitric acid

D. By using liquid or solid Co2

A. Middle third of buccal surface

B. Cervical third of buccal surface

C. Middle third of lingual surface

A. Langhans cell

C. RBC

D. Grey cell

B. Stratum spinosum

C. Stratum basale

D. Stratum granulosum

A. Attached gingiva

C. Free gingiva

D. Interdental papilla

A. None of the above

C. Shifts apically with age

D. Shifts coronally with age

A. Enamel

B. Dentin

D. Cementum

A. Between hamular notch and mandible

C. In apical area of a tooth

D. Between temporal and sphenoid bone

A. Only para keratinized

B. Non keratinized

D. Keratinized

A. Has prominent rete pegs

B. Is keratinized

D. Is para-keratinized

B. Hydrostatic

C. Vascular pressure

D. Oncotic pressure

A. Fungiform

C. Filliform

D. Foliate

A. Saline

B. Xylene

C. 10% alcohol

B. 30% Sebaceous glands

C. 75% sebaceous glands

D. Absolutely no sebaceous glands

A. Keratinized mucosa of cheek

B. Rete pegs

C. Thick lamina propria on skin of cheek

A. 25th day of Intra uterine life

B. 20 wks of Intra uterine life

D. 34th day of Intra uterine life

A. Dental sac

C. Dental papilla

D. Inner enamel epithelium

A. Oropharynx

B. Lips

C. Tongue

A. 0.006-0.007 ppm

C. 0.004-0.005 ppm

D. 0.007-0.08 ppm

A. Internal basal lamina

B. Epithelial attachment

D. Reduced enamel epithelium

A. Mucin

C. Cartilage

D. Iron

A. Eosin & haematoxylin

B. Cresyl violet

D. Carbol fuschin