A. Strep. Pyogens
B. Strep. viridans
C. β hemolytic stretococci
D. Non hemolytic stretococci
Related Mcqs:
- An acute apical abscess is usually a result of:__________?
A. Periodontal pocket
B. Occlusal interference
C. Necrotic pulp
D. Chronic gingivitis - Periapical cyst is usually preceded by:__________?
A. Periapical granuloma
B. Periodontal abscess
C. Periapical abscess
D. All of the above - Best way to differentiate a periapical cyst and a perapical granuloma is:__________?
A. Radiographically
B. Histologically
C. Clinically
D. None of the above - Abscess formation is particularly characteristic of infections with which of the following microorganisms:_____________?
A. Viruses
B. Rickettsiae
C. Streptococci
D. Staphylococci - All of the following statements about the typical features of a periapical granuloma are true EXCEPT:
A. It consists of proliferating granulation tissue
B. It can form only if the periapical bone is resorbed
C. It shows evidence of local antibody production
D. It results from immunologically mediated tissue damage - Which of the following periapical conditions is often associated with a vital pulp?
A. Apical cyst
B. Apical scar
C. Condensing osteitis
D. Chronic apical periodontitis - MONRO’s abscess are seen in:____________?
A. Pemphigus
B. Lichen planus
C. Leukoplakia
D. Psoriasis - Organism involved in cellulitis is:___________?
A. Strept. mutans
B. Strept. pyogenes
C. Pneumococci
D. klebsiella - Multiple periapical radiolucencies are seen in:_________?
A. Jawcyst basal cell Nevus Syndrome
B. Odontogenic keratocyst
C. Cherubism
D. thyroid disorders - The Pathogenesis of Periapical Cyst is___________?
A. Increased pressure within the cyst
B. Immune mediated bone destruction
C. Proliferation of epithelium
D. None of the above