Mcq Subject: Dental
A 12-year-old boy reported with a class II and div 1 malocclusion with proclined upper incisor and deep bite. Intraoral examination revealed a bilaterally symmetrical face, convex profile, potentially competent Lips with normal incisor display during rest and smile. Cephalometric finding showed that the patient had a horizontal growth direction with CVMI stage III, increased overjet and normal lower incisor inclination What would be the appliance of choice for this patient
A. Twin block
B. Activator
C. Bioator
D. Supermarionator
View DescriptionFollowing are adverse effects of Clofazimine except
A. Skin staining
B. Icthyosis
C. Diarrhoea
D. Gastritis
View DescriptionThe number of line angles in a permanent maxillary central incisor is
A. Two
B. Four
C. Six
D. Eight
View Description“Birbeck granules” are seen in
A. Melanosomes
B. Lamellar bodies
C. Keratohyalin granules
D. Langerhan cells
View DescriptionHow much luting agent is required for cementation of crown?
A. 3/4th filled slightly upto the margin
B. 1/4th filled
C. 1/2 filled
D. Full to prevent bubble
View DescriptionThickness of oxygen inhibition layer in composite curing is:
A. 1-50 micrometer
B. 15-150 micrometer
C. 50-500 micrometer
D. 1000-2000 micrometer
View DescriptionPseudo pocket is seen in the
A. Base of the pocket lies on cementum
B. Gingivitis
C. Periodontitis
D. Base of the pocket and lies on alveolar bone
View DescriptionWhich of the following is not a structural element of TMJ?
A. Sigmoid notch
B. Articular disc
C. Capsular ligament
D. Joint cavities
View DescriptionThe mesial surface of the crown is almost parallel to long axis and the root of a:
A. Maxillary 1st premolar
B. Mandibular 2nd Premolar
C. Maxillary canine
D. Mandibular canine
View DescriptionA 7 year old male patient presents to the clinic for routine dental examination and has history of frequent snacking and sugary beverages. Intraoral examination shows multiple pit and fissure caries and subsurface enamel porosity manifesting as milky white opacity. Tactile probing should not be used in this case because of all of the following EXCEPT?
A. Insertion of the explorer into the suspected lesion inevitably disrupts the surface layer covering very early lesions, thereby eliminating the possibility for remineralization of the decalcified area
B. Probing of lesions and suspected lesions results in the transport of cariogenic bacteria from one area to another
C. Frank lesions requiring restoration are generally apparent visually without the need for probing.
D. It may induce spontaneous bleeding
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