All of the following incisions are recognized, standard approaches for an apicectomy EXCEPT 1. Cervical margin of teeth with buccal extensions 2. Figure-of-eight 3. Rectangular 4. Semilunar
EndodonticsAnswer: 2
Instrumentation short of apical foramen results in 1. Forcing debris into PA area 2. Shelfing (or) ledging of canals 3. Enlarging of apical formamen 4. All of the above
EndodonticsAnswer: 2
If a fourth canal is to be found in a maxillary molar, it is usually located 1. Palatal to and in mesiobuccal root 2. Under distobuccal cusp 3. Adjacent to distobuccal canal 4. In between distobuccal and palatocanal
EndodonticsAnswer: 1
The most common single straws of microorganisms isolated from vital pulps in the early stages of inflammation are 1) Staphylococci 2) Streptococci 3) Borrelia vincenti 4) Neisseria
EndodonticsAnswer: 2
Blood-borne seeding of bacteria into an area of previously damaged or irritated pulp with a resultant inflammation is known as 1) Bacterial endocarditis 2) Anchoretic pulpitis 3) Chronic hyperplastic pulpitis 4) Ulcerative pulpitis
EndodonticsAnswer: 2
The teeth that are more prone to perforation by slight mesial and distal deviation of a bur are 1. Mandibular incisors & maxillary first premolars 2. Maxillary first premolars & mandibular molar 3. Maxillary incisors & mandibular molars 4. Maxillary molar & mandibular first premolar
EndodonticsAnswer: 1
Ca(OH) is given 1. In weeping canal 2. When there is bleeding from root canals 3. As a sterilizing agent 4. To remove or dissolve periapical debris
EndodonticsAnswer: 1
Hypochlorite does not cause 1) Bleaching 2) Remove smear layer 3) Lubricating 4) Flush out debris
