اسئلة امتحان في طب الأسنان

التعليقات

• dr.Hazem مدير عام

  2010/04/16 تم تعديل 2010/04/16

  شكراً دكتور و جزالك الله عنّا كل الخير...
• dr.Hazem مدير عام

  2010/04/16 تم تعديل 2010/04/16

  شكراً أبو فرات و جزاك الله عنّا كل الخير..
• Dr.Ahmad مدير عام

  2010/04/16 تم تعديل 2010/04/16

  الله يجزيك الخير حكيم أكيد هالشي مهم لطلاب الاسنان ....... لانو دائما هيك اسئلة هي محرك بحث هام للطلاب
• dr.Ali مدير عام

  2010/04/17 تم تعديل 2010/04/17

  فعلاً أسئلة جميلة و قابلة للمناقشة
  مشكور دكتور
  رح نترك للأعضاء الفرصة للتفكير
• دكتوربالفطرة عضو مميز

  2010/04/18 تم تعديل 2010/04/18

  مشكورين اخواني الدكاترة لمروركم العطر
• دكتوربالفطرة عضو مميز

  2010/04/25 تم تعديل 2010/04/25

  مجموعة أسئلة من امتحانات غربية والاجوبة الموجودة هي أجوبة الطلاب

  Daily cleaning of root surface by the patient has been shown to
  a. cause root sensitivity
  bcause root resorption
  c. stimbulates epi attachment
  d. allow remineralization of root surface**
  
  most stable elastic impresson in moisture environment??
  1-polyether
  2-additional silicon
  3-condensation silicon
  4-polysulfide
  1.A lateral cephalometric radiograph for a patient
  with a 3mm anterior functional shift should be
  taken with the patient in
  A. maximum intercuspation.
  B. initial contact.
  C. normal rest position.
  D. maximum opening.
  E. protrusive position.
  
  2.a characteristic of the periodontium which allows safe temporary separation of the teeth is the
  a. nature of acellular cementum
  b. elasticity of bone
  c. modified continuous eruption
  d. passive eruption
  
  3.which of the following patients should be referred for orthodontic treatment to close a diastema between maxillary central incisors?
  1. an 8 yr old with no oral habits
  2. a 14 yr old with no abnormal oral habits**
  3. 3 yr old with a 4mm overjet
  4. an 8 yr old with previous thumb habit
  
  4.Which of the following would be a
  CONTRAINDICATION for the use of a resin
  bonded fixed partial denture (acid etched
  bridge or “Maryland Bridge”)?
  A. Class II malocclusion.
  B. An opposing free end saddle
  removable partial.
  C. Previous orthodontic treatment.
  D. Heavily restored abutment.**
  
  5.a patient has a high caries index, short crowns and minimum horizontal overlap. What restoration will you plce
  a. 3/4 frown
  b. jacket crown
  c. PFM**
  d. resin bonded retainer
  
  6.how do you surgically treat a skeletal one bite
  a. osteotomy
  b. anterior maxillary surgery
  c. Le Fort 1
  d. Le Fort 2
  
  7.which of the following is a definite sign of traumatic occlusion
  a. bone loss
  b. gingival recession
  c. wear facets**
  d. food impaction
  
  8.what does an interrupted suture accomplished
  a. brings the flap closer
  b. covers all exposed bone
  c. immobilized the flap**
  daily cleaning of the root surface by the patient has been shown to
  a. cause root sensitivity
  b. cause root resorption
  c. stimulates the epithelial attachment
  d. allow remineralization of the root surface. **
  
  
  Trismus is most frequently caused by
  A. tetanus.
  B. muscular dystrophy. **
  C. infection.
  D. mandibular fracture.
  
  Studer-Weber syndrome
  a. mandibular retro
  b. midface ecto
  c. maxillary prog **
  
  a light force applied to the periodontal ligament during orthodontic treatment is considered
  a. intermittent
  b. direct
  c. continuous **
  d. indirect
  
  in a full upper denture the post palatal seal is determined by
  a. the technician
  b. the depth of the vibration line **
  c. 2-3mm
  
  histologically, the loss of the rete peg often is a sign of
  a. pemphigus
  b. lichen planus **
  c. pemphigoid
  d. syphills
  
  the most common reason for fracture of an amalgam in class 2 pedo molar toth
  a. insufficient deth **
  b. saliva contamination during condensation
  d. line angle too sharp
  
  1) Compared with unstimulated saliva,stimulated saliva is benefical of high level of ?
  A calcium
  B phosphate
  C PH
  D mucin
  
  1 A) If you have a pt with 3 units bridge( FPD) and when you see them you note that this bridge looks to yellow in references to the other teeth next to it. What will you say?
  
  
  2) The maximum percentage of N2O recommended in pediatric patient
  a. 20%
  b. 30%
  c. 50%**
  d. 40%
  e. 70%
  
  3) Which of the following materials is most likely to cause adverse pulpal reaction when placed directly in a deep cavity preparation?
  1 dental amalgam
  2 composite resin
  3 calcium hydroxide
  4 ZnOE**
  5 Polycarboxylate cement
  
  
  4). Correction of an inadequate zone of attached gingiva on several adjacent teeth is best
  accomplished with a/an
  A. apically repositioned flap. right one ????
  B. laterally positioned sliding flap.
  C. double-papilla pedicle graft.
  D. coronally positioned flap.
  E. free gingival graft.
  
  5) Three carpules (2ml/40mg/ml) of local anesthetic x are required to obtain adequate local anethesia. To obtain the same degree of anesthesia with local anesthetic y, five carpules (2ml carpules, 40mg/ml) are required. If no other information about the two drugs is available, then it is accurate to say that drug x:
  
  a. is more potent than y
  b. is less potent than drug y
  c. is more efficacious than y
  d. is less efficacious than drug y
  e. x & y are = in potency/ efficacy
  
  6) What cannot be advertised by a general dentist?
  a-COST
  b-SPECIALTY
  c-LICENSE AGREEMENT
  
  7) Carious lesions are most likely to develop if a
  patient has
  A. a high lactobacillus count.
  B. saliva with low buffering capacity.
  C. plaque on his teeth**
  D. lactic acid in his mouth.
  
  8) With the development of gingivitis, the sulcus
  becomes predominantly populated by
  A. gram-positive organisms.
  B. gram-negative organisms. **
  C. diplococcal organisms.
  D. spirochetes.
  
  9) Which of the following microorganisms are most
  frequently found in infected root canals?
  A. Streptococcus viridans
  B. Staphylococcus aureus.
  C. Lactobacilli.
  D.. Enterococci.
  E. Staphylococcus albus.
  
  10)chief mechanism by which the body
  metabolizes short-acting barbiturates is
  A. oxidation
  B. reduction.
  C. hydroxylation and oxidation.
  D. sequestration in the body fats.
  
  
  11) Hyperplastic lingual tonsils may resemble which
  of the following?
  A. Epulis fissuratum.
  B. Lingual varicosities.
  C. Squamous cell carcinoma
  D. Median rhomboid glossitis.
  E. Prominent fungiform papillae.
  
  12) Administration of pure oxygen to a patient with a depressed respiratory center can be dangerous because it may
  1. damage lung tissue
  2. destroy the respiratory center
  3. overstmulate the respiratory center
  4. depress the release of carbon dioxide
  5. remove the remaining stimulus for respiration
  
  13)Which of the following causes bone loss?
  
  1 C3a, C5a
  2 Endotoxin
  3 Interleukin
  4 B glucorinidase
  
  14) The drinking water supply of a community has a natural f level of .6ppm.the f level is raised by .4ppm. tooth decay is expected to decrease by what % after 7 years?
  ans is 40% how????
  
  15) How do you surgically treat a skeletal one bite?
  osteotomy
  anterior maxillary surgery
  le fort I
  le fort I
  I
  1. A 77 years old female 110 lbs weight requires removal of mandibular teeth under local anesthesia. She is apprehensive. The appropriate dose of i/v diazepam to sedate her?
  
  A 5 mg
  b 10 mg <-
  c 15 mg
  d 20 mg
  هذا السؤال جرت مناقشات عليه يرجى التأكد من الاجابة
  2. 88 lbs patient is given 2 cartridges 1.8 ml each of 2% lidocaine with 1:100,000 epinephrine. Approximate what % of maximum dosage allowed for this patient was administered ?
  
  A 10%
  b 20%
  c 40%**
  D 60%
  
  4.4mg/kg, so 88lb would be 88/2.3= 38.26*4.4 = 168 is his max dose
  so % of max dosage allowed for this pt would be, amount of lidocaine he was given divided by max amt allowed for him,, so he was given, 36+36=72mgs,, so 72/168*100 = 42
  
  
  
  5. The disto buccal root apex of maxillary 3rd molar accidentally dislodged beyond the socket. The root apex may be in:
  
  A canine fossax
  b maxiallry sinus
  c intratemporal fossa <-
  d between periosteum and buccal plate above socket wall
  
  6. Elevator can be used to advantage when:
  A interdental bone is used as fulcrum
  b multiple adjacent teeth are to be extracted <-
  
  7. Maximum recommended dosage of lidocaine hcl injected subcutaneously ( not i/v)when combined with 1:1,00,000 epinephrine is:
  
  A 100 mg
  b 300 mg <-
  c 500 mg
  d 1 gram