Rickettsiae__________________?
A. Multiply within living cell
B. Transmitted by arthropod vectors
C. Respond to tetracycline therapy
D. All of the above
A. Multiply within living cell
B. Transmitted by arthropod vectors
C. Respond to tetracycline therapy
D. All of the above
A. Bile solubility
B. Optochin sensitivity
C. Bacitracin sensitivity
D. Cataslase positive
A. Toxicity of silver
B. Toxicity of Mercury
C. Toxicity of lead
D. Toxicity of Tetracycline
A. Is derived from the sheath of hertwig
B. Is acellular in the apical third of the tooth
C. Often overlaps the enamel
D. Does not contain collagen fibres
A. Marginal breakdown
B. Shrinkage
C. Delayed expansion
D. increased stresses
A. An avoid shaped radiolucency above the lateral incisor and canine teeth
B. Erosion of base above lateral incisor and canine teeth
C. An inverted funnel shaped radiolucent lesion above the roots of lateral incisor and canine teeth
D. A pear shaped radiolucent lesion between roots of lateralincisor and canine teeth
A. Restriction endonucleases
B. PCR
C. Reverse transcriptase FISH
D. None of these