Oral Histology

A. Does not exhibit features of either dentin of cementum

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

C. Represents area of entrapment of hertwig’s sheath in dentin or cementum

D. All of the above are correct

A. Gingiva

B. Alveolar bone

C. Periodontal ligament

D. Cementum

A. Hyper orthokeratosis

B. Hyper parakeratosis

C. Non keratinized epithelium

D. Sulcular epithelium

A. Hutchinson’s incisor

B. Osteodentin formation

C. Enamel hypoplasia

D. Anodontia

A. Inner enamel epithelium

B. Outer enamel epithelium

C. Stellate reticulum

D. Stratum intermedium

A. Tuftelin

B. Sheathlin

C. Enamelin

D. Amelogenin

A. Caries susceptible

B. Insensitive

C. Hypersensitive

D. Resistant to caries

A. Due to alternate elevations and depressions in epithelium

B. Functional adaptation to mechanical impact

C. Disappeared in progressing gingivitis due to edema and this change is reversible

D. All of the above

A. Thin lamina and non keratinized mucosa of cheek

B. Keratinized mucosa of cheek

C. Rete pegs

D. Thick lamina propria on skin of cheek

A. Type I and III collagen

B. Type III collagen

C. Type IV collagen

D. Type I collagen