2018 Edition

Practice Test for the DANB Dental Assistant Exam

General Chairside Assistance

1. A permanent dentition consists of how many teeth?
2. Which teeth are sometimes called the "eye" teeth?
3. Which proximal surface of a tooth is closest toward the midline of the body?
4. A permanent dentition consists of how many premolars?
5. When a mouth is divided into fourths, the parts are referred to as:
6. Using the Universal System of tooth designation, what tooth is #12?
7. Using the International Standards Organization system of tooth recording, which tooth is #25?
8. What is the structure that connects cementum to the alveolar bone?
9. A gold crown is marked by:
10. A dental assistant is preparing to chart a new patient's treatment plan for the doctor. Treatment provided in a previous dental office should be charted in what color?
11. Two red vertical lines drawn between the upper central incisors on a patient chart would indicate:
12. The recommended technique for determining a patient's pulse or respiration rate is to:
13. In order to determine how much to inflate a blood pressure cuff for an accurate reading, a dental assistant measures the patient's BPM brachial pulse rate and adds ______ to determine the inflation level in mm Hg.
14. An average adult respiration rate is _______________ breaths per minute
15. What is the normal pulse rate in a resting adult?
16. Standard practice provides, and some state laws require, that a signed privacy policy be kept in a patient's file for a minimum of _______ year(s).
17. Which of the following is not a part of a dental examination?
18. What classification of decay is located on the gingival third on the facial or lingual surfaces of teeth?
19. While examining a patient, a dentist says he sees Class IV decay. Which of the following teeth would he be looking at?
20. The area also known as the neck of the tooth is more appropriately called the:
21. What type of tissue covers alveolar bone, attaching to the teeth at the margin of the gumlines?
22. What is the tissue that divides the nasal cavity into 2 parts?
23. Which nerve is the primary nerve for the mouth?
24. The pituitary gland is part of what body system?
25. What position places the chair back until the patient is almost lying down?
26. What is the best method of identifying working positions by a dental auxiliary?
27. When transferring an instrument to the dentist, the dental assistant should:
28. When retrieving an instrument from a right-handed operator, the assistant uses the ______________ finger(s) of their left hand.
29. Most of the time, a dental assistant will be working in what "time zone" during a treatment procedure?
30. Which chair has a foot bar for support?
31. The High Volume Evacuator tips should be placed slightly _______ to the tooth being prepared.
32. What isolation method is appropriate for one or several teeth?
33. An adult male arrives for a scheduled root canal and crown appointment. The dental assistant prepares the instrument tray and equipment when he is seated. What size hole punch is needed for premolar and canines on a dental dam?
34. When removing a dry cotton roll from the mouth:
35. Which of the following is not a contraindication for the use of N2O2?
36. What part of the gas machine houses the nitrous oxide and oxygen to combine them together for the patient to breathe?
37. Nitrous oxide has been used on a patient. For how many minutes afterward should the patient remain on 100% Oxygen?.
38. Which of the following is an approved method by the Center for Disease Control for re-capping a used needle?
39. A long needle, 1 5/8" in length, is used for what type of injections?
40. What type of injection involves the tissues near the apex of a tooth?
41. Which of the following is NOT a health concern when it comes to selecting the appropriate form of local anesthetic?
42. What is added to an anesthetic agent to lengthen the effect by decreasing blood flow?
43. How long should topical anesthetic be applied to the mucosa prior to an injection?
44. What may be added to burs in order to shorten preparation time by improving cutting ability?
45. Which of the following burs would be appropriate for a crown-prep setup tray?
46. Low speed handpieces are used for
47. What type of handpiece operates at speeds of up to 450,000 rpm?
48. A 16-year-old female has an appointment for an MOD amalgam on #14. What instrument is used to carve amalgam on the occlusal surface of a tooth?
49. Which of the following is Not a step in sealant placement?
50. Which of the following would a bristled brush style prophy angle NOT be appropriate to use on?
51. What type of stain is on the surface of enamel and may be removed through hand scaling or rubber cup polishing?
52. A dental assistant who is approved to perform expanded functions prepares to perform coronal polishing on a patient after the hygienist has done the scaling. What is done to ensure the prevention of removing small amounts of enamel during coronal polishing?
53. A gingival retraction cord:
54. Which of the following can help prevent hemorrhage during a crown prep procedure?
55. Which of the following would contraindicate a partial denture?
56. Which of the following is the metal extension on a partial denture, which rests on the alveolar ridge and holds the artificial teeth?
57. When taking a shade for a dental appliance, all of the following are correct EXCEPT:
58. What is the amalgam material that helps hold a fixed restoration in place?
59. What type of restoration is made of a pontic with wing like frame extensions that fit on adjacent teeth?
60. What term refers to the tooth that support a bridge?
61. Which of the following is not an example of a cast restoration?
62. Which of the following is the most widely used periodontal dressing?
63. Which of the following is the surgical removal of diseased gingival tissue?
64. What instruments converts high frequency sound waves into rapid vibrations for clinical use?
65. Which of the following is not for use when removing calculus deposits below the gumline?
66. A patient arrives for a scaling and root planing procedure on his upper right and lower right quadrants. Which of the following people in the dental office may measure periodontal pockets?
67. A patient with moderate to severe periodontal disease is seen for their periodontal maintenance appointment. Upon examination, the patient exhibits mobility in localized areas. Moderate mobility would be recorded as a ____.
68. Periodontal probing depths of 5-7mm are indicative of:
69. The inflammation of gingival tissue is:
70. To what degree can a mouth be affected with periodontal disease and the disease be considered localized?
71. A 14 year old male presents with large MO decay on #19. There is enough decay evident on the bitewing film to show that the patient will be in need of a crown. What is done in an attempt to save a pulp in cases where a root canal may not be necessary?
72. What is the reason for performing debridement during a root canal procedure?
73. The ADA standard of care recommends the use of a dental dam for endodontic treatments. After placing the dam, the next step required is:
74. What solution is used as a sealer in deciduous teeth that undergo a pulpotomy?
75. What instrument has small barbs along the shaft and is used to remove pulp tissue?
76. Which of the following is not an appropriate irrigation solution in endodontic procedures?
77. A patient comes into the office for an endodontic procedure. What is the minimum number of radiographs needed?
78. Which of the following is not a root canal sealer that is used to seal unfilled voids?
79. What is used to absorb the irrigating solution during an endodontic procedure?
80. During a surgical scrub, hands and forearms should be scrubbed with a surgical scrub brush for how long?
81. During the extraction of an impacted tooth, what instrument is used to retract tissue away from the bone?
82. Following an surgical scrub, hands should be kept:
83. What flat working instrument used for extractions has large cutting grooves?
84. Which of the following is not a surgical procedure commonly performed in general dental practices?
85. Forceps are held using the:
86. A dry socket occurs when:
87. Which of the following materials is not an absorbable suture material?
88. What describes the reshaping of bone between adjacent teeth that have been extracted?
89. Surgical instruments are all considered to be:
90. A tooth that has come out completely due to trauma or injury is said to be:
91. Which of the following is not a type of stainless steel crown?
92. When the coronal portion of a dental pulp is removed from a primary tooth, the procedure is called:
93. Preventive orthodontics provided by a pediatric dentist include which of the following?
94. Which of the following is unique to pediatric dental offices?
95. Children should use a fluoride-free dentrifice until:
96. The emphasis of pediatric dentistry is on all of the following EXCEPT:
97. A 5 year old male arrives for an MO composite on #K. What matrix band is primarily used in pediatric dentistry for use on primary molars?
98. What type of crown is primarily used in pediatric dentistry for badly decayed teeth?
99. Which of the following are the most frequently injured primary teeth?
100. What type of bite shows the mesiobuccal cusp of the maxillary first molar meeting mesial to the mesiobuccal groove of the mandibular first molar?
101. What type of bite shows the mesiobuccal cusp of the maxillary first molar meeting distal to the mesiobuccal groove of the mandibular first molar?
102. What are thin wires used around brackets that hold arch wires in place?
103. What helps to bring about movement between maxillary and mandibular arches?
104. A dentist needs to guide an arch wire into place. What orthodontic instrument should be used?
105. Which of the following directions can orthodontic treatment move a tooth?
106. Which of the following is not an ingredient in amalgam fillings?
107. Which of the following is not a common type of cavity liner?
108. A 35 year old female is having an incisal chip on #25 repaired. What is applied to the surface of a tooth to prepare for the use of bonding material?
109. What type of cement is used for permanently cementing a cast to a tooth?
110. Bonding is greatly improved when etch is used on the surface of dentin to remove:
111. What cement material is used for most temporary restorations?
112. Which cement releases fluoride at a slow rate, inhibiting decay?
113. Which of the following is the only material listed that is appropriate to mix on a paper mixing pad?
114. A ______ and ______ are needed when creating a proper contour of a new restoration.
115. When preparing a matrix band, which edge has a shorter circumference?
116. Which of the following is NOT true in regards to home whitening treatments?
117. Wedges are not needed for Class ____ matrix systems.
118. What thin, tooth-colored restorative material is bonded directly to the tooth in order to improve the appearance?
119. Which of the following is used for anterior composite fillings?
120. What is used along with bonding material when a tooth is badly broken down?
121. Which of the following would NOT be needed for a varnish application set-up?
122. Etching requires approximately how long in order to thoroughly etch the tooth structure?
123. Which of the following is not a type of impression?
124. What type of material is an irreversible hydrocolloid that is the material of choice for taking a preliminary impression?
125. What material is used to create diagnostic casts when strength and accuracy of the model are not critical?
126. Which of the following is not a factor that affects the setting of gypsum products?
127. What is predominately used to show the occlusion relationship between arches?
128. A mandibular alginate impression usually requires how many scoops of alginate powder?
129. When taking a final impression of a tooth, the _________ form of viscosity is chosen for application directly into the sulcus of the prepared tooth.
130. When taking a final impression, which of the following is not necessary for the set-up tray?
131. Mineralized bacteria on the tooth surface is called:
132. De-minerlization of the tooth is caused by the loss of:
133. What is made up of glycoproteins in saliva and forms on the surfaces of teeth within minutes?
134. When gingival infection extends to the alveolar bone, it is called:
135. Which of the following is a risk factor for developing periodontitis?
136. Soft toothbrush bristles are preferred for brushing. What is the reason?
137. What educational aid temporarily colors plaque for more effective removal?
138. What is the most commonly recommended toothbrushing method that helps target plaque below the gumline?
139. Which type of floss is most effective in plaque removal?
140. When brushing, a toothbrush should be placed at what angulation toward the gumlines?
141. __________ pressure should be used when brushing.
142. Fluoride may sometimes be found in:
143. Which of the following would not contain a topical fluoride?
144. When a tooth decalcifies and then remineralization occurs, which of the following is NOT accurate?
145. Young children exposed to long-term overuse of fluoride may develop what on developing permanent teeth?
146. Optimum concentrations of fluoride in municipal water systems should be in what range?
147. Which of the following are NOT at a high-risk to develop caries?
148. What is used by the body as the chief source of energy?
149. What vitamin assists the body's ability to absorb calcium?
150. Which of the following is not a vital sign?
151. What common medical emergency occurs when blood flow to the brain slows and causes the patient to lose consciousness?
152. Postural hypotension may occur when:
153. When does hyperventilation occur?
154. What is a neurologic disorder that causes seizures, and is normally controlled with medication?
155. Which of the following is NOT correct?
156. What heart condition is painful but does not usually cause death?
157. What is anaphylaxis?
158. A localized allergic response may include all of the following except:
159. Which of the following supplies contain an allergen that might cause an allergic reaction in some patients?
160. Which of the following is NOT a warning sign of a medical emergency?
161. Who is in charge of the emergency response protocol in a dental office?
162. Which of the following is NOT a symptom of a medical emergency?
163. A patient begins to experience hives and difficulty breathing. Which of the following emergency drugs would be appropriate for use in an allergic reaction?
164. Which of the following is an example of an appropriate item to keep in an emergency drug kit for a patient experiencing hypoglycemia?
165. During a bonding procedure for teeth #8 and 9, a patient begins experiencing trouble breathing. What position should the patient be put in?
166. What color are oxygen tanks in the dental office?
167. Which of the following is not part of the standard of care for dental personnel emergency training?
168. Which of the following is NOT an example of a staff role during a medical emergency?
169. A patient faints in the dental chair. They should be placed:
170. A patient begins to experience a seizure while in the dental chair. Which of the following is NOT appropriate?