The most common cause of gingivitis after restorative procedure is 1) Gingival retraction during impression taking 2) Rough margins and overhanging restorations 3) Both A and B 4) None of the above
Conservative DentistryAnswer: 2
If the speed of the aerator hand piece is increased to 100,000 rpm then 1) Decreased vibration perception to the patient 2) More heat is generated resulting in pulpal damage 3) High efficiency 4) All of the above
Conservative DentistryAnswer: 4
Rebound response results from which of the following during cavity preparation 1) Amount of heat generated by the cutting instrument 2) The amount of pressure developed during cavity preparation 3) Type of cutting instrument 4) Vibrations produced due to the cutting instrument
Conservative DentistryAnswer: 4
Senile caries most frequently occurs on 1) Proximal surface of the posterior teeth 2) Proximal surface of the anterior teeth 3) Root surface of both anterior and posterior 4) Proximal surfaces of both anterior and posterior
Conservative DentistryAnswer: 3
Honing machine is used for 1) CAD CAM INLAY febricatoin 2) Polishing restoration 3) Mechanical sharpening of instruments 4) Caries detection
Conservative DentistryAnswer: 3
An advantage of using a gold restoration rather than an amalgam restoration is 1) The ease of tooth preparation 2) Better adaptation to the walls of the preparation 3) The greater edge strength of cast gold 4) It is less expensive
Conservative DentistryAnswer: 3
Outline form of a class V amalgam cavity preparation is related to (or) External shape of the class V amalgam restoration is related to 1) Contour of marginal gingiva 2) Axial line angles 3) Direction of the enamel rods 4) None of the above
Conservative DentistryAnswer: 1
In contanagled instruments one of the shanks should be placed within mm from the axis of the handle 1) 3 mm 2) 4 mm 3) 5 mm 4) 6 mm
