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RELEASED WRITTEN EXAMINATION
A periapical infection of a mandibular third molar One week after an amalgam restoration is placed in the mandibular first premolar, the patient returns complaining of a sharp pain of short duration when eating or drinking something cold. Teeth respond normally to electric pulp testing and heat and the radiographs are normal. The most likely diagnosis The most frequent cause of malocclusion is The most appropriate radiographic examination for a 4 year old without visible or clinically detectable caries or anomalies, and with open proximal Which of the following is the LEAST likely primary site for the development of oral squamous The washing of hands must be performed before putting on and after removing gloves because it Which of the following pharmacokinetic change(s) Absorption is altered by a decrease in the allows gloves to slide on easier when the Distribution is altered by a decrease in Excretion is reduced because of lessened RELEASED WRITTEN EXAMINATION
As a dentist in Canada, it is ethical to refuse to 11. The roots of primary molars in the absence of their may remain for years with no significant recognition of lack of skill or knowledge. may remain for years partially resorbed. A radiographic examination of a 10 year old child reveals retention of deciduous teeth and presence of many unerupted supernumerary teeth. This is 12. A 6 year old patient has a larger than average diastema between the maxillary central incisors. The radiographic examination shows a mesiodens. In order to manage the diastema, you should only if it develops into a cystic lesion. 10. A 12 year old child presents with characteristic tetracycline discoloration of the maxillary and mandibular incisors and permanent first molars. The probable age at which this child received 13. A single hypoplastic defect located on the labial surface of a maxillary central incisor is most likely trauma to the maxillary primary central incisor. 14. In primary molars, radiographic bony changes RELEASED WRITTEN EXAMINATION
15. In children, the most common cause of a fistula is 19. A large carious exposure occurs on a permanent first molar of a 7 year old. There is no periapical involvement and the tooth is vital. The treatment suppurative periradicular periodontitis. 16. The absence of a pulp chamber in a deciduous 20. A patient telephones and tells you he has just knocked out his front tooth but that it is still intact. 17. An 8 year old patient with all primary molars still wrap the tooth in tissue and come to your present exhibits a cusp-to-cusp relationship of permanent maxillary and mandibular first molars put the tooth in alcohol and come to your and good alignment of the lower incisors. The place tooth under the tongue and come to place the tooth in milk and come to your 21. In a 4 year old child, the primary central incisor has discoloured following a traumatic injury. The 18. The facial and lingual walls of the occlusal portion of a Class II cavity preparation for an amalgam in 22. The most appropriate treatment following the extraction of a first primary molar in a 4 year old RELEASED WRITTEN EXAMINATION
23. A patient presenting with diplopia, exophthalmos, 27. The design of a mucoperiosteal flap should nasal bleeding and swelling, may suffer from a 28. Which of the following nerves should be anesthetized for extraction of a maxillary lateral 25. An acute periapical abscess originating from a mandibular third molar generally points and drains 26. When sutures are used to reposition tissue over 29. The most likely complication associated with the extraction of an isolated maxillary second molar is 30. Trismus is most frequently caused by RELEASED WRITTEN EXAMINATION
31. An excisional biopsy of a nodule 5mm in diameter 34. Alteration of the intestinal flora by some on the lateral border of the tongue was diagnosed chemotherapeutic agents can interfere with reabsorption of a contraceptive steroid thus preventing the recirculation of the drug through the enterohepatic circulation. Which of the following can interfere with this mechanism? 32. During extraction of a maxillary third molar, the tuberosity is fractured. The tooth with the tuberosity remains attached to the surrounding soft remove both, fill the defect with Gelfoam 35. The most common complication of a venipuncture tooth, leaving the tuberosity in place and 33. In an acute upper airway obstruction, the entry to the airway on an emergency basis should be made 37. For which of the following teeth is the risk of root fracture increased if a rotational force is used during extraction? RELEASED WRITTEN EXAMINATION
38. In the surgical removal of an impacted mandibular 42. Which of the following will impede healing third molar, which of the following would be following the surgical closure of an oroantral 39. Continued smoking will impair wound healing following a surgical procedure because of contraction of peripheral blood vessels. 43. Vestibuloplasty is a preprosthetic surgical superficial irritation to tissues by smoke. allow placement of teeth over the residual 44. Bacterial infection may be confirmed by 41. If an odontogenic infection involves the pterygomandibular space, the most obvious RELEASED WRITTEN EXAMINATION
45. A surgical flap not repositioned over a bony base 48. If a patient loses a permanent maxillary first molar 46. An 8 year old patient with all primary molars still present exhibits a cusp-to-cusp relationship of permanent maxillary and mandibular first molars. 49. Excessive orthodontic force used to move a tooth The management of this patient should be to refer the patient to an orthodontist for 47. A lateral cephalometric radiograph for a patient 50. The angle SNA can be used to evaluate the with a 3mm anterior functional shift should be 51. A single tooth anterior crossbite found in a 9 year be treated in the complete permanent dentition. be observed and treated when the cuspids have erupted. RELEASED WRITTEN EXAMINATION
52. A 7 year old patient has a left unilateral posterior 56. A removable orthodontic appliance, producing a crossbite and a left functional shift of the light force on the labial of a proclined maxillary mandible. The most appropriate treatment for this bilateral expansion of the maxillary arch. intrusion of the central incisor and lingual lingual movement of the crown and labial bilateral constriction of the mandibular 57. Recurring tooth rotations occur most frequently 53. The predominant type of movement produced by a finger spring on a removable appliance is persistence of tongue and finger habits. oblique fibres of the periodontal ligament. 58. In its classic form, serial extraction is best applied to patients with Class I occlusions with crowding 54. To prevent mesial drift of a permanent first molar, the ideal time to place a distal extension space 59. Following loss of a permanent mandibular first molar at age 8, which of the following changes are 55. The best space maintainer to prevent the lingual collapse that often occurs following the early loss RELEASED WRITTEN EXAMINATION
60. A 3 year old requires the extraction of a deciduous maxillary second molar. The local anesthetic has strong anti-inflammatory properties. 61. A patient suddenly becomes pale and sweaty after an injection of 4ml of lidocaine 2% with epinephrine l:l00,000. The radial pulse is slow and steady. The respiration is slow. The blood pressure 65. In an infection caused by non-penicillinase is 80/60. What is the most probable diagnosis? producing staphylococcus, the drug of choice is 66. Systemic or topical cortisone therapy is used in the 62. Immediately following a posterior superior alveolar block injection, the patient's face becomes quickly and visibly swollen. The immediate use pressure followed by cold packs over vasoconstrictor for patients with uncontrolled 63. What is the maximum number of cartridges (1.8ml) of a 2% local anesthetic solution that can be administered without exceeding a total dose of 68. A patient who is jaundiced because of liver disease RELEASED WRITTEN EXAMINATION
69. Before performing surgery on a patient who is taking warfarin, which of the following should be 70. In the treatment of an acute anaphylactic reaction, the first drug that should be administered is 74. Which of the following does NOT influence the rate of induction during inhalation anesthesia? 71. Antibiotic prophylaxis is recommended for Mitral valve prolapse with regurgitation. 75. A known insulin-dependent diabetic patient feels unwell following the administration of a local anesthetic and becomes pale and sweaty. This condition does not respond to placing the patient in a supine position. The most likely cause is 72. In a standard dental cartridge (carpule) containing 1.8ml 2% lidocaine with epinephrine 1/100,000, RELEASED WRITTEN EXAMINATION
76. It is difficult to obtain satisfactory anesthesia in the epinephrine-containing retraction cord has the presence of infection near the injection site the swelling causes increased pressure on alkalinity of the infected tissue inhibits 81. Cultures made from a dental abscess indicate the streptococcus. Which of the following is the drug 77. In a standard inferior alveolar nerve block, which 82. Which one of the following describes the position of the needle tip during administration of local anesthetic for the inferior alveolar nerve block? 78. After an inferior alveolar nerve block injection, a patient would develop seventh nerve paralysis if Anterior to the pterygomandibular raphe. Superior to the lateral pterygoid muscle. 83. A 57 year old man received 10mg of diazepam intravenously. He becomes unresponsive to verbal stimuli, and his respirations are depressed to 79. The usual adult dosage of codeine administered 10 per minute. Appropriate treatment is to RELEASED WRITTEN EXAMINATION
84. Which of the following would you prescribe for an 88. Upon examination of an edentulous patient, it is anxious dental patient with a peptic ulcer? observed that the tuberosities contact the retromolar pads at the correct occlusal vertical dimension. The treatment of choice is to reduce the retromolar pads surgically to 85. Which of the following is/are (a) useful guide(s) in determining a patient’s occlusal vertical proceed with construction of the denture and reduce the posterior extension of the opening and closing axis of the mandible. 86. Generally, glass ionomer cements contain 90. Following the insertion of complete dentures, a generalized soreness over the entire mandibular 87. Upon setting, a mixture of plaster of Paris and 91. In the design of a removable partial denture, at a right angle to the major connector. RELEASED WRITTEN EXAMINATION
92. Extreme resorption of an edentulous mandible can 95. The gingival margin of the preparation for a full bring the alveolar ridge to the level of the crown on a posterior tooth, with a clinical crown that satisfies the requirements for retention and 96. In partial denture design, the major connector 93. The location of a crown margin is determined by rigidly connect the bilateral components. 97. A survey of the master cast shows that the 3.5 and 3.7 abutments for a fixed partial denture have different paths of insertion with respect to 3.7. A semi-precision attachment is chosen rather than preparing the teeth again. Where should the male part of the attachment ideally be located? 94. A fracture in an all-ceramic crown may be caused sharp line angles in the tooth preparation. use of an inappropriate luting material. 98. Which of the following should be checked first when a cast gold crown that fits on its die cannot RELEASED WRITTEN EXAMINATION
99. The best way to protect the abutments of a Class I 103. While the teeth are set in wax, dentures are tried in removable partial denture from the negative effects of the additional load applied to them is by splinting abutments with adjacent teeth. placing distal rests on distal abutments. regular relining of the distal extensions. 104. A patient with complete dentures complains of 100. Irreversible hydrocolloid materials are best use of too large a posterior tooth and too improper relation of teeth to the ridge and 101. Which of the following structures affects the thickness of the flange of a maxillary complete 105. A maxillary complete denture exhibits more retention and stability than a mandibular one 2. incorporates a posterior palatal seal. 4. is completely surrounded by soft tissue. 102. During the fabrication of new complete dentures, which of the following can be modified to achieve 106. The best means of extending the working time of an irreversible hydrocolloid impression material is RELEASED WRITTEN EXAMINATION
107. After initial setting, a chemically cured glass 111. In patients wearing complete dentures, the most ionomer cement restoration should have a coating frequent cause of tooth contact (clicking) during protect the cement from ultraviolet light. 108. Which of the following cements can chemically 112. To improve denture stability, mandibular molar 109. Compared to unfilled resins, composite resins have 114. At his first post insertion appointment, a patient with a new removable partial denture complains of a tender abutment tooth. The most likely cause is 110. The prime advantage of vacuum firing of porcelain RELEASED WRITTEN EXAMINATION
115. The maxillary cast partial denture major connector 119. Using pins to retain amalgam restorations design with the greatest potential to cause speech 116. After initiating preventive management for a 16 year old patient with multiple extensive carious lesions, which of the following restorative Place amalgam restorations over the next 120. Sterilization of carious dentin without pulp injury 117. To ensure maximum marginal strength for an 121. In order to achieve a proper interproximal contact amalgam restoration the cavosurface angle should when using a spherical alloy, which of the 118. For a cast gold restoration, a gingival bevel is used 122. Endodontic therapy is CONTRAINDICATED in RELEASED WRITTEN EXAMINATION
123. What clinical evidence would support a diagnosis 126. A 22 year old presents with a fracture of the incisal third of tooth 2.1 exposing a small amount of dentin. The fracture occurred one hour previously. A negative reaction to the electric vitality There is no mobility of the tooth but the patient complains that it is rough and sensitive to cold. A positive reaction of short duration to The most appropriate emergency treatment is to and temporarily close with zinc oxide and 124. The radiographic appearance of internal resorption 127. The most important principle dictating location and size of access to the root canal system is radiolucency around the apex of the root. radiolucency on the surfaces of the root. localized radiopacities in the pulp cavity. radiopacity around the apex of the root. 128. Under normal conditions, the most definitive test 125. Which of the following conditions would NOT require antibiotic premedication before endodontic applying warm gutta percha to the crown. cutting into the dentin without anesthetic. performing a radiographic examination of 129. Special attention is given to matrix adaptation for the insertion of amalgam in a MO cavity in a maxillary first premolar because of the concavity in the cervical third of the mesial surface of the crown. buccolingual width of the tooth's mesial marginal ridge. size of the interproximal gingival embrasure. RELEASED WRITTEN EXAMINATION
130. In pin-retained restorations, the pin holes should 134. In the mandibular first premolar, the occlusal dovetail of an ideal disto-occlusal amalgam preparation is usually not extended into the mesial 131. The "smear layer" is an important consideration in 135. The anatomical landmarks used to help establish the location of the posterior palatal seal of a 132. Planing the enamel at the gingival cavosurface of a Class II amalgam preparation on a permanent posterior border of the tuberosities and the posterior border of the palatine bone. anterior border of the tuberosities, the palatine raphe and the posterior border of is unnecessary since the tooth structure in 136. The most logical explanation for causing swelling beneath the eye caused by an abscessed maxillary should result in a sharp gingivoproximal lymphatics drain superiorly in this region. bone is less porous superior to the root 133. Following root canal therapy, the most desirable infection has passed into the angular vein form of tissue response at the apical foramen is 137. Caries in older persons is most frequently found on

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