Truth or dare
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Truth or dare Truth or dare Document Transcript

  • Truth  or  dare  1.  Following  trauma,  bluish-­‐grey  discolouration   d) sterilized  the  root  canal  space  of  the  crown  is  due  to:   e) left  some  areas  of  the  root  canal   a) external  resorption   system  incompletely  cleaned   b) pulpal  hemorrhage   A.     a,  b,  c   c) discoloured  composite  restoration   B.     a  and  c   d) chromogenic  bacteria   C.     b  and  d     D.     d  only  2.  Which  of  the  following  is  LEAST  likely  to  cause   E  .     all  of  the  above  pain?     a) carious  pulp  exposure   6.  Which  of  the  following  methods  of   b) chronic  hyperplastic  pulpitis  (pulp   instrument  sterilization  uses  the  lowest   polyp)   temperature?   c) acute  pulpitis   a) steam  autoclave   d) apical  periodontitis   b) dry  heat  oven     c) ethylene  oxide  method  3.  A  patient  experiences  pain  and  some  gingival   d) glass  bead  sterilizer  swelling  in  the  anterior  segment  of  the  mandible.   e) alcohol  autoclave  The  mandibular  lateral  incisor  has  a  shallow    restoration,  is  tender  to  percussion  and  gives  a   7.  When  root  canals  are  treated  topically  with  positive  response  to  the  EPT.  There  is  some   antibiotics  rather  than  with  disinfectants:  mobility.  The  most  likely  diagnosis  is:   a) a  greater  success  rate  results   a) acute  apical  abscess   b) the  same  rules  of  mechanical   b) acute  serous  pulpitis   preparation  and  filling  must  be   c) lateral  periodontal  abscess   observed   d) acute  suppurative  pulpitis   c) treatment  may  be  completed  in  fewer   e) chronic  ulcerative  pulpitis   appointments     d) there  is  greater  assurance  that  all  4.  Which  one  of  the  following  statement  is  true   microorganisms  are  destroyed  as  defined  in  endodontics?   e) there  is  a  danger  of  sensitizing  patients   a) overfilling  refers  to  the  incomplete   to  antibiotics   filling  of  the  root  canal  system  with  a   A.     a,  c,  d   surplus  of  material  extruding  beyond   B.     b,  d,  e   the  apical  foramen   C.     a,  b,  c   b) underfilling  refers  to  the  complete   D.     b  and  e   filling  of  the  canal  space,  but  leaving   E.     all  of  the  above   voids  in  the  pulp  chamber  for  possible     recontamination  or  infection   8.  The  antibiotic  of  choice  for  infections  of   c) overextension  refers  to  the  extrusion  of   pulpal  origin  is:   filling  material  through  an  accessory   a) penicillin  V   canal   b) lincomycin   d) underextension  refers  to  the  vertical   c) erythromycin   extent  of  the  filling  material  regardless   d) tetracycline   of  it’s  completeness  of  obturation   e) metronidazole   e) all  of  the  above   f) Augmentin      5.  After  completion  of  endodontic   9.  Endodontic  therapy  is  CONTRAINDICATED  in  chemomechanical  debridement  you  can  expect   teeth  with:    to  have;   a) inadequate  periodontal  support   a) removed  all  tissue  from  the  entire  root   b) pulp  stones   canal  system   c) constricted  root  canals   b) machined  the  canals  to  a   d) accessory  canals   microscopically  smooth  channel   e) curved  roots   c) caused  some  temporary  inflammation       1  
  • Truth  or  dare  10.  Periapical  surgery  is  CONTRAINDICATED  for   B.     a  and  c  a  tooth  that  has  a:   C.    b  and  d   a) large  periapical  rarefaction   D.     d  only   b) fistula  related  to  a  periapical  lesion   E.     all  of  the  above   c) vertical  root  fracture     d) fracture  of  the  root  apex  and  a  necrotic   16.  Which  of  the  following  statement  is  true?   pulp   a) radiographs  cannot  differentiate   e) a  post  and  core  retained  crown   between  infected  and  non-­‐infected     periapical  lesions.  11.  A  patient  telephones  you  and  indicates  that   b) a  definitive  diagnosis  of  an  apical  lesion  his  front  tooth  has  been  knocked  out  but  that  it   cannot  be  made  from  a  radiograph  is  still  intact.  Your  instructions  should  be:   alone   a) put  the  tooth  in  water  and  come  to   c) periapical  radiographs  are  not  always   your  office  at  the  end  of  the  day   indicative  of  loss  of  pulp  vitality   b) wrap  the  tooth  in  tissue  and  come  to   d) a  periapical  radiograph  can  be  used  to   your  office  in  a  week’s  time   locate  the  buccal  bone  level   c) put  the  tooth  in  alcohol  and  come  to   A.     a,  b,  c   your  office  immediately   B.     a  and  c   d) place  the  tooth  under  your  tongue  and   C.     b  and  d   come  to  your  office  immediately   D.     d  only   e) place  the  tooth  in  milk  and  come  to   E.     all  of  the  above   your  office  immediately       17.  A  positive  prolonged  reaction  to  a  heat  12.  The  placement  of  a  retentive  pin  in  the   stimulus  indicates  that  the  pulp  is:  proximal  regions  of  posterior  teeth  would  most   a) necrotic  likely  result  in  PDL  perforation  in  the:   b) in  an  early  hyperemic  state   a) mesial  of  a  mandibular  first  premolar   c) normal   b) distal  of  a  mandibular  first  premolar   d) irreversibly  damaged   c) distal  of  a  mandibular  first  molar     d) mesial  of  a  mandibular  first  molar   18.  Which  of  the  following  is/are  associated     with  the  presence  of  micro-­‐organisms  in  the  13.  In  permanent  teeth,  two  pulp  canals  are   bloodstream?  most  commonly  found  in  the:   a) anchoresis   a) distobuccal  root  of  maxillary  molars   b) cavernous  sinus  thrombosis   b) distal  root  of  mandibular  first  molars   c) bacteremia   c) palatal  root  of  maxillary  first  premolars   d) all  of  the  above   d) mesial  root  of  mandibular  first  molars       19.  Which  of  the  following  is/are  true  regarding  14.  A  rubber  dam  should  be  used  in:   a  tooth  filled  with  a  formaldehyde-­‐containing   a) pulp  capping  procedures   paste?   b) amalgam  placement   a) Formaldehyde  containing  pastes   c) composite  placement   remain  non-­‐approved   d) removing  carious  dentin  from  deep   b) the  drug  manufacturer  may  be  liable,   lesions   along  with  the  dentist   e) all  of  the  above   c) Formaldehyde  containing  pastes  have  a     high  antigenic  potential  15.  The  air-­‐water  spray  used  as  a  coolant  in  high   d) there  are  cases  on  record  of  speed  cutting  of  a  cavity  will:   parasthesisa  following  overextrusion  of   a) decrease  pulp  damage   such  a  paste  in  the  vicinity  of  the   b) reduce  frictional  heat   mandibular  nerve   c) keep  the  operating  site  clean   e) all  of  the  above   d) reduce  clogging  of  cutting  instruments    A.     a,  b,  c     2  
  • Truth  or  dare  20.  The  desired  termination  point  of  apical  root  canal  preparation  when  performing  endodontic  treatment  on  a  vital  tooth  is:   a) 0.5  to  1mm  short  of  the  radiographic   apex   b) 3mm  short  of  the  radiographic  apex   c) slightly  through  the  apical  foramen   d) to  the  point  where  the  patient  feels   sensation     3