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180541 Dental

An 18 years old male reported with chief complaint of sensitivity and deep, dull, radiating pain during chewing. Intra-oral examination showed sparase plague and dental calculus deposits, distolabial migration of the maxillary incisors with diastema formation, mobility of maxillary and mandibular incisors and first molars. Prescribed radiographs showed an arch shaped loss of alveolar bone extending from the distal surface of the mandibular second premolar to the mesial surface of the second molar. There was vertical bone loss in the maxillary incisor region. The host modulation therapy that may be used as adjunctive therapy for this disease is

ASubantimicrobial-dose clindamycin
BSubantimicrobial-dose metronidazole
CSubantimicrobial-dose doxycycline
DSubantimicrobial-dose ciproftoxacin
Dental
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180545 Microbiology

True statements about Pneumococcus are all except

APneumolysin a thiolactivated toxin, exes a variety of effect on ciliary & PMN's
BAutolysin may contribute to the pathogenesis of pneumococcal disease by lysing the bacteria
CAnticapsular antibodies are serotype specific
DThe virulence of pneumococci is dependent only on the production of the capsular polysaccharide
Microbiology
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