Which of the following has better prognosis 1) Vital teeth with external resorption 2) Vital teeth with internal resorption 3) Vital teeth with vertical root fracture 4) None of the above
EndodonticsAnswer: 2
After apicectomy and curettage for a periapical lesion before suturing 1. Place antibiotics to reduce microbial count 2. Place homeostatic material in bone cavity 3. Place amalgam in bone cavity 4. Place nothing, allow the bone to regenerate
EndodonticsAnswer: 4
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
Gutta-percha can effecitvely be sterilized by 1. Hot salt sterilizer 2. Chemical solutions 3. Autoclaving 4. Dry heat
EndodonticsAnswer: 2
Which condensation of gutta-percha, tip of the instrument is broken at apical third of canal. You would like to 1) Dissolve gutta-percha and retrieve the broken piece 2) Obturate remaining canal up to the point of obstruction, and observation 3) Do periapical surgery and apicectomy to remove broken piece 4) All of the above
EndodonticsAnswer: 2
Endodontic surgery should be avoided in 1) Short rooted teeth 2) Teeth with periodontal disease 3) Lingual surface of mandibular molars 4) All of above
EndodonticsAnswer: 4
False-positive vitality results are common in posterior tooth and are most commonly due to 1) Presence of vital pulp tissue in one of the canals 2) Thickness of the enamel 3) Presence of pulp stones 4) Thickness of dentin
EndodonticsAnswer: 1
Flare-ups during root canal treatment are commonly associated with which of the following 1) Teeth with vital pulp tissue compared to teeth with pulpal necrosis 2) Teeth with apical radiolucencies when compared to teeth with normal periapical tissue 3) With single-visit endodontics procedures 4) Symptomatic teeth exhibiting pulp necrosis
