Section 7. Dentistry
Marianne Tear
QUESTIONS
1. Apical means “toward the ___.”
a. Root tip
b. Crown
c. Cheeks
d. Tongue
2. Which of the following is a proper dental term for describing a tooth surface?
a. Mesial—farthest from the midline
b. Mesial—nearest the front
c. Distal—nearest the midline
d. Distal—farthest from the midline
3. Which of the following is a proper dental term for describing a tooth surface?
a. Palatal—facing the cheek
b. Labial—facing the tongue
c. Buccal—facing the cheek
d. Rostral—toward the back
4. The cat has which of the following numbers of maxillary and mandibular premolars in one half of the mouth?
a. 3 and 2
b. 3 and 3
c. 2 and 3
d. 2 and 2
5. The dental formula for the permanent teeth in the dog is 2 (I 3/3 and C 1/1) plus
a. P 3/4 and M 3/2 = 40
b. P 3/4 and M 3/3 = 42
c. P 4/4 and M 2/3 = 42
d. P 4/4 and M 3/2 = 42
7. What teeth on each side of the mouth in a dog have three roots?
a. Maxillary third and fourth premolars and first molar
b. Maxillary fourth premolars and first and second molars
c. Mandibular fourth premolars and first and second molars
d. Mandibular and maxillary fourth premolars and first and second molars
8. The permanent canine and premolar teeth in dogs generally erupt at about what age?
a. 3 to 5 months
b. 4 to 6 months
c. 5 to 7 months
d. 6 to 8 months
9. Using the Triadan system, the proper way of describing a dog’s first upper left permanent premolar is
a. 205
b. 105
c. 306
d. 502
10. Using the Triadan system, the proper way of describing a cat’s first lower right molar is
a. 407
b. 409
c. 109
d. 909
11. The pulp canal of a tooth contains
a. Nerves
b. Blood vessels
c. Connective tissue and blood vessels
d. Blood vessels, nerves, and connective tissues
12. As part of normal tooth growth, what part of the tooth thickens?
a. Enamel
b. Pulp
c. Dentin
d. Gingiva
13. Enamel, which is the hardest body substance
a. Contains living tissue
b. Covers the tooth crown and root
c. Continues production by the ameloblasts after eruption
d. Is relatively nonporous and impervious
14. Dentin is covered by
a. Enamel and bone
b. Bone and pulp
c. Cementum and enamel
d. Pulp and cementum
15. Normal scissor occlusion is when the maxillary fourth premolars occlude
a. Level with the mandibular fourth premolar
b. Buccally to the mandibular first molar
c. Buccally to the mandibular fourth premolar
d. Lingually to the mandibular first molar
16. The heaviest calculus deposition in dogs and cats is typically located on the
a. Lingual surfaces of the lower cheek teeth
b. Lower canine teeth
c. Incisor teeth
d. Buccal surfaces of the upper cheek teeth
17. The carnassial teeth in dogs are
a. P 4 and M 1
b. P 4 and P 4
c. M 1 and M 1
d. C 1 and C 1
18. Free or marginal gingiva
a. Occupies the space between the teeth
b. Is the most apical portion of the gingiva
c. Forms the gingival sulcus around the tooth
d. Is tightly bound to the cementum
19. The periodontium includes the periodontal ligament and all of the following except
a. Gingiva
b. Cementum
c. Alveolar bone
d. Enamel
20. A bulldog would be described as having what type of head shape?
a. Brachycephalic
b. Dolichocephalic
c. Mesaticephalic
d. Prognacephalic
21. In veterinary dentistry, chlorhexidine solutions are used because they
a. Prevent cementoenamel erosion
b. Have antibacterial properties
c. Remove enamel stains and whiten teeth
d. Are used to treat gingival hyperplasia in brachycephalic breeds
22. When using hand instruments to clean teeth,
a. Use a modified pen grasp with a back-and-forth-scraping motion.
b. Use a modified pen grasp with overlapping pull strokes that are directed away from the gingival margin.
c. Use the sickle scaler for subgingival curettage.
d. The curette is best used supragingivally.
23. Pocket depth is measured from the
a. Cementoenamel junction to the bottom of the pocket
b. Current free gingival margin to the bottom of the gingival sulcus
c. Cementoenamel junction to the current free gingival margin and then adding 1 to 2 mm
d. Cementoenamel junction to the apical extent of the defect
24. Between patients, it is best to use the following order for maintaining instruments:
a. Use, sharpen, wash, and sterilize
b. Use, wash, sterilize, and sharpen
c. Use, wash, sharpen, and sterilize
d. Wash, sterilize, use, and sharpen
25. When performing dental prophylaxis, minimal safety equipment includes
a. Gloves only
b. Gloves and mask only
c. Safety glasses only
d. Safety glasses, mask, and gloves
26. You have an instrument in your hand that has two sharp sides, a rounded back, and a rounded point. You are holding a
a. Sickle scaler
b. Morris scaler
c. Universal curette
d. Sickle curette
28. The term that best describes a dog with an abnormally short mandible is
a. Prognathism
b. Brachygnathism
c. Mesaticephalic
d. Dolichocephalic
For Questions 29 through 32, select the correct answer from the choices below.
Get Clinical Tree app for offline access
a. Posterior crossbite
b. Base-narrow mandibular canines
c. Wry mouth
d. Anterior crossbite
29. Malocclusion in which one side of the mandible or maxilla is disproportionate to its other side
30. Malocclusion in which the upper fourth premolar lies palatal to the first molars
31. Malocclusion in which the canines erupt in an overly upright position, or the mandible is narrowed
32. Malocclusion in which one or more of the upper incisor teeth are caudal to the lower incisors
33. The most common benign soft tissue tumor of the oral cavity is
a. Epulide tumor
b. Fibrosarcoma
c. Malignant melanoma
d. Squamous cell carcinoma
34. Dry socket is more likely to occur when one
a. Ensures there is an increased blood supply to the area
b. Practices good surgical technique
c. Allows a blood clot to form so that fibroblasts are formed
d. Overirrigates the tooth socket so that no clot can form
35. Gingivoplasty is the
a. Addition of more gingiva to the site
b. Binding of the loose teeth together to stabilize them during a healing process
c. Removal of hyperplastic gingival tissue
d. Removal of a portion of the tooth structure
36. To protect the pulp tissue of teeth from thermal damage during ultrasonic scaling, one should
a. Use constant irrigation.
b. Change tips frequently.
c. Use slow rotational speed.
d. Use appropriate amounts of paste.
37. Another term for neck lesions on feline teeth is
a. Odontogenic fibroma
b. Feline internal odontoclastic resorptive lesions
c. Feline external odontoclastic resorptive lesions
d. Class 1 enamel fracture
38. The most common dental procedure performed on a horse is
a. Quidding
b. Curettage
c. Scaling
d. Floating
39. Stomatitis is the
a. Bad breath evident when dental work must be completed
b. Inflammation of the mouth’s soft tissue
c. Inflammation of the stomites found in bones
d. Inflammation of lesions found in the gastrointestinal tract
40. A client wants to know what chew toy would be safest for her dog’s teeth. You suggest that she is best to give Fido a
a. Dried cow hoof
b. Nylon rope toy
c. Dense rubber exerciser
d. Large knuckle bone
41. For dental radiography of the canine tooth, you should use what size of dental film to ensure that the whole tooth is included?
a. 0
b. 2
c. 4
d. 8 × 10 screen film
42. Dental film should be placed in the mouth with the dimple
a. Up and pointing rostrally
b. Up and pointing caudally
c. Down and pointing rostrally
d. Down and pointing caudally
43. The flap side of the dental film should be facing
a. Any direction, because it does not matter
b. Toward the tube head
c. Away from the tube head
d. The caudal side of the animal
44. The bisecting angle principle states that the plane of an x-ray beam should be 90 degrees to the
45. You are looking at your dental radiograph and notice that the tooth is elongated. This happened because the beam was perpendicular to the
a. Film
b. Tooth
c. Bisecting angle
d. Wrong tooth
46. A curette is used to
a. Check the tooth’s surface for any irregularities
b. Measure the depth of gingival recession
c. Scale large amounts of calculus from the tooth’s surface
d. Scale calculus from the tooth surface located in the gingival sulcus
47. A scaler is used to
a. Check the tooth’s root surface for any irregularities
b. Measure the depth of gingival recession
c. Scale large amounts of calculus from the tooth’s surface
d. Scale calculus from the tooth surface located in the gingival sulcus
48. What mineralized tissue covers the root of the tooth?
a. Calculus
b. Enamel
c. Cementum
d. Dentin
49. The nerve and blood vessel of a tooth is located in the
a. Sulcus
b. Pulp cavity
c. Marrow cavity
d. Calculus
50. When scaling gross calculus from the teeth,
a. Hold the scaler using a modified pen grasp
b. Hold the scaler using a modified screw driver grasp
c. Use long controlled strokes toward the gums
d. Hold the curette using a modified pen grasp
51. Ultrasonic scaling
a. Can substitute for hand scaling
b. May cause thermal damage to the tooth if the tip is kept on a tooth for longer than 5 seconds
c. Sprays the tooth with water to wash the tooth clean
d. Sprays the tooth with water to cool the tooth and prevent pulp damage
52. The following statements are all true except
a. Sulcus depth is measured using a probe.
b. A sulcus depth up to 3 mm is normal in a cat.
c. A sulcus depth greater than 3 mm indicates periodontal disease.
d. The probe is inserted gently into the gingival sulcus parallel to the root of the tooth.
53. The purpose of polishing during the dental prophy is to
a. Massage the gums
b. Smooth out the rough areas and retard plaque formation
c. Apply fluoride
d. Disinfect the surface of the tooth
54. An older dog with dental disease is presented to the clinic with a draining tract below his right eye. What is the most likely cause?
a. Right-sided maxillary carnassial tooth root abscess
b. Left-sided maxillary carnassial tooth root abscess
c. Right-sided mandibular carnassial tooth root abscess
d. Maxillary incisor tooth root abscess
55. Wry mouth refers to which of the following types of oral malocclusions?
a. Elongation of the head on either the left or right side
b. Elongation of the maxilla in comparison to the mandible
c. Elongation of the mandible in comparison to the maxilla
d. Loss of maxillary incisors
56. The buccal surface of the mandibular molars in a dog refers to the
a. Occlusal surface with the maxillary molars
b. Most rostral surface
c. Surface in contact with the tongue
d. Surface in contact with the cheek tissue
57. Brachygnathism is a genetic defect best characterized as
a. A maxilla that is longer than the mandible
b. A mandible that is longer than the maxilla
c. Lack of incisors
d. Polydontia
58. Prognathism is a normal condition in brachycephalic breeds but is considered a genetic defect in other breeds. It is best characterized as
59. Malocclusions can lead to dental disease for all of the following reasons except
a. Soft tissue trauma from teeth that are abnormally positioned
b. Accelerated development of periodontal disease resulting from lack of normal wear and the normal flushing of teeth with saliva
c. Abnormal wear of teeth resulting from malposition leading to fracture and pulp exposure
d. Presence of resorptive lesions leading to destruction of teeth
60. Which of the following teeth are not normally present in the adult cat?
a. P 1 and P 1 and P 2
b. P 1 and P 1 and P 2
c. M 2 and M 1
d. M 2 and M 2
61. The furcation is best described as
a. The area between the cementum and enamel
b. The space between two roots where they meet the crown
c. The space between the root and the gingiva
d. The space between two occlusal surfaces
62. Severe stomatitis is a clinical sign commonly associated with which of the following feline disorders?
a. Feline infectious peritonitis
b. Inflammatory bowel disease
c. Feline immunodeficiency virus
d. Toxoplasmosis
63. An oronasal fistula can often occur secondary to
a. Abscess of the mandibular canine tooth
b. Incisor root abscess
c. Abscess of the maxillary canine tooth
d. Retained deciduous incisors
64. Which of the following statements about canine toy breeds is true?
a. Chronic impaction of incisor teeth with hair and debris often results in a chronic osteomyelitis.
b. Malocclusions are rare in toy breeds in comparison with giant-breed dogs.
c. Enamel hypoplasia is a common finding in toy breeds.
d. Prognathism is considered a genetic defect in brachycephalic breeds.
65. A biopsy report confirms that an oral mass is an acanthomatous epulis; what can be said about this growth?
a. It is a nonmalignant tumor.
b. It is a malignant tumor.
c. It is very likely to metastasize.
d. It is related to the presence of a malocclusion.
66. While performing a routine prophylactic dentistry, the veterinary technician notes a large, red raised lesion on the lip of her feline patient. The client noted that the lesion “comes and goes.” What is a reasonable differential for this lesion?
a. Feline resorptive lesion
b. Trauma-related lesion
c. Eosinophilic ulcer
d. Tumor
67. Feline cervical line lesions/feline neck lesions/feline resorptive lesions are of great concern to veterinarians. Which of the following statements regarding these lesions is false?
a. Feline resorptive lesions are aggressive dental caries that result in resorption of roots and subsequent tooth loss.
b. Feline resorptive lesions often present with a raspberry seed type sign at the base of the tooth where it meets the gingival margin.
c. Feline resorptive lesions are effectively managed with steroid administration.
d. It is common to find more than one feline cervical line lesion in the oral cavity.
68. Which of the following statements about eruption of permanent teeth is false?
a. The permanent upper canines erupt mesial to the deciduous canines.
b. The permanent lower canines erupt buccal to the deciduous canines.
c. The permanent incisors erupt distal to the deciduous incisors.
d. The permanent canine teeth erupt at 5 to 6 months of age in the dog.
69. The pulp of the tooth has which of the following functions?
a. Anchors the tooth in the alveolar bone with a fibrous ligament
b. Provides the tooth with a protective strong, hard surface
c. Contains blood vessels and nerves that provide nutrition and sensation to the tooth.
d. Develops roots to anchor the tooth into the alveolar bone
71. In patients with severe, chronic periodontal disease and possible osteomyelitis, antibiotics are often begun before a dentistry is performed. What is the most common antibiotic chosen for these animals?
a. Clindamycin
< div class='tao-gold-member'>
Only gold members can continue reading. Log In or Register to continue
Stay updated, free articles. Join our Telegram channel
Full access? Get Clinical Tree