Mcq Subject: Dental
The enamel has no capacity of self —repair because
A. It has only a small percent of organic content
B. Its formative cells are lost once it is completely formed
C. It is essentially a keratin tissue and has no blood vessels
D. It has no direct connection with the active cells of the dental pulp
View DescriptionMajority of the syndromic craniosynosteses are associated with:
A. FGFR mutations
B. IRFS mutations
C. VWS mutations
D. 22q 11.2 mutations
View DescriptionThe type of strain develop when force is applied perpendicular to surface
A. Compressive strain
B. Tensile strain
C. Shear stress
D. Tensile stress
View DescriptionIn case of addition silicones what should be done for better cast
A. Apply ketone over tray
B. Apply chloroform over tray
C. Add flavouring agent to prevent bad odour
D. Delay pouring of cast
View DescriptionFovea palatine are
A. Structures through which blood supply take place
B. Mucosal salivary glands
C. Palatal termination of maxillary denture
D. Found in every individual
View DescriptionDynamic creep is the
A. Continuing alloying between silver-tin alloy and mercury during the life of restoration
B. Deformation of set amalgam during function
C. Process whereby alloy is "wetted" by mercury
D. Spread of amalgam during packing
View DescriptionWhich one of the following is not FDA approved
A. GEM 215
B. Elyzol
C. Periochip
D. Atridox
View DescriptionZnPO4 setting time is 4-7 min. All of the following methods are employed to prolong its setting time except:
A. Addition of drop of distilled water
B. Prolong spatulation time
C. Small increment of addition of powder to liquid
D. Mixing on cooled glass slab
View DescriptionA mother and her 4 year old son are seated alone in a reception area with the child staring off into space, rocking and constantly twisting a strand of hair about his fingers. Upon entry of another person, the child begins to beat his fist against the side of his face and behaves as though he does not hear his mother speaking to him. This behavior is most characteristic of:
A. An autistic child
B. A mentally retarded child
C. First dental appointment anxieties of a 4 year old child
D. A child with a chronic seizure disorder
View DescriptionCephalometric analysis are used to evaluate growth changes by superimposing on:
A. Sella - Nasion plane
B. Mandibular plane
C. FHP
D. Occlusal plane
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