(CT) Chap 36 - Veterinary Dentistry

The most commonly used numbering system is the modified Triadan system. Teeth in the maxillary left quadrant are considered the _______ series. a. 100 b. 200 c. 300 d. 400

b. 200

________________ teeth have a relatively small, distinct crown compared with the size of their well-developed roots. a. Deciduous b. Brachyodont c. Hypsodont d. Elodont

b. Brachyodont

______________ refers to the mucosa that begins at the mucocutaneous junction and lines the cheeks and lips. a. Alveolar mucosa b. Buccal mucosa c. Lingual mucosa d. Gingival mucosa

b. Buccal mucosa

Compared to other local anesthetics such as lidocaine, why is bupivacaine used primarily for dental procedures that cause pain or discomfort? a. Lidocaine is particularly toxic in animals b. Bupivacaine lasts longer c. Bupivacaine takes effect quicker d. Lidocaine is much more expensive

b. Bupivacaine lasts longer

Using the rule of 4's and 9's can help keep nomenclature easier to follow. Using this rule, what are teeth 104, 204, 304, and 404 in dogs, cats, and horses? a. Lateral incisors b. Canine teeth c. First premolars d. First molars

b. Canine teeth

Which class of malocclusion involves a mandible that is relatively shorter than its associated maxilla? a. Class I malocclusion b. Class II malocclusion c. Class III malocclusion d. Class IV malocclusion

b. Class II malocclusion

______________is a term that describes the supporting structures of the teeth. a. Gingiva b. Periodontium c. Periodontitis d. Perineum

b. Periodontium

Which of the following structures is not a component of the periodontium? a. Periodontal ligament b. Tooth enamel c. Tooth root cementum d. Gingival connective tissue

b. Tooth enamel

Most mammals are ________________________, meaning that they have two sets of teeth. a. duodont b. diphyodont c. bidont d. deciduodont

b. diphyodont

The carnassial teeth of dogs and cats are the ______________. a. maxillary fourth premolar and mandibular fourth premolar b. maxillary fourth premolar and the mandibular first molar teeth c. maxillary first molar and mandibular first molar d. maxillary first molar and mandibular fourth premolar

b. maxillary fourth premolar and the mandibular first molar teeth

The corner of the eye nearest the nose where the eye lids join is called the a. medial fissure. b. medial canthus. c. lateral fissure. d. lateral canthus.

b. medial canthus.

The most common oral neoplasm in felines is a. melanoma. b. squamous cell carcinoma. c. fibrosarcoma. d. osteosarcoma.

b. squamous cell carcinoma.

Normal sulcus depth is __ to ___ mm in dogs and __ to __ mm in cats. Probing depths greater than normal are documented on the chart as pockets. a. 1 to 3; 1 to 3 b. 1 to 3; 0 to 3 c. 0 to 3; 0 to 1 d. 0 to 3; 0 to 3

c. 0 to 3; 0 to 1

How long does it take for plaque to mineralize on the surface of a tooth? a. Within minutes b. 1 hour c. 24 hours d. 1 week

c. 24 hours

__________________ refers to tooth wear associated with tooth-to-tooth contact overtime. a. Caries b. Furcation c. Attrition d. Abrasion

c. Attrition

Which grade of periodontal disease would be associated with a loss of 25% to 50% of the attachment structures of the tooth? a. Grade I b. Grade II c. Grade III d. Grade IV

c. Grade III

Where is the ideal location to place a cerclage wire to treat a mandibular symphyseal separation in a dog or cat? a. Rostral to the incisors b. At the ramus of the mandible c. Just caudal to the canines d. Figure 8 pattern involving the first molars

c. Just caudal to the canines

When performing a dental radiograph, which of the following structures does not block or absorb x-rays and thus appear dark on the developed image? a. Dentin b. Cementum c. Pulp d. Mandibular bone

c. Pulp

What does a tooth mobility classification of 3 signify? a. Normal, healthy tooth b. Mild laxity of the tooth in the alveolar bone c. Severe mobility of the tooth in the alveolar bone d. Missing tooth at that location

c. Severe mobility of the tooth in the alveolar bone

The radiographic positioning error that results in the x-ray beam missing portions of the sensor plate or film is called a. elongation. b. foreshortening. c. cone cutting. d. angulation.

c. cone cutting.

The cheek teeth of horses are an example of ________________________ teeth. The apices of these teeth remain open for a significant portion of adult life, but they eventually close, after which continued growth of the tooth ceases, and occlusal wear is offset only by continued eruption. a. deciduous b. brachyodont c. hypsodont d. elodont

c. hypsodont

An abnormal communication between the oral cavity and the nasal cavity that often result from periodontal disease is called a. root exposure. b. furcation. c. oronasal fistula. d. periodontitis.

c. oronasal fistula.

Dogs and cats are less susceptible to dental caries than humans partly because a. there is less sugar in their diets. b. they do to chew their food as completely. c. they have less occlusal surfaces on their teeth. d. they have stronger enamel.

c. they have less occlusal surfaces on their teeth.

Gingival hyperplasia occurs when the free gingival margin migrates coronally, a. toward to apex of the tooth. b. toward the crown of the tooth. c. toward the mesial surface of the tooth. d. toward the gum line.

c. toward the mesial surface of the tooth.

Using the modified Triadan system of numbering teeth, a retained deciduous upper right canine tooth would be assigned the number. a. 104 b. 104a c. 504 d. 604

d. 604

_________ refers to the situation when teeth or jaws are not correctly aligned. a. Occlusion b. Dysocclusion c. Acclusion d. Malocclusion

d. Malocclusion

Concerning veterinary dentistry, what does the term exodontics refer to? a. Palate implant surgery b. Replacement teeth for use after extraction c. Wiring of the jaw together due to a mandibular fracture d. The process of removing teeth

d. The process of removing teeth

In most species, the upper jaw is wider than the lower jaw; this is referred to as ________. a. masticatory b. carnassial c. brachygnathism d. anisognathism

d. anisognathism

Wolf teeth (first set of permanent premolars) are most commonly found a. on the mandible of male horses. b. on the mandible of female horses. c. on the maxilla of male horses. d. on the maxilla of female horses.

d. on the maxilla of female horses.

The major salivary glands of the dog and cat are the paired mandibular, sublingual, zygomatic, and ___________________. a. maxillary b. facial c. buccal d. parotid

d. parotid

The tool used to measure periodontal sulcus depth is called the a. Gracey curette b. scaler. c. periodontal ruler. d. periodontal probe.

d. periodontal probe.

Many dental x-ray units have an internally set level of certain parameters and only ____________ may be changed for a darker or lighter technique. a. kilovoltage b. milliamperes c. milliamperes per second d. time

d. time

Cats are missing which mandibular teeth a. 305, 306, 405, 406 b. 307, 407 c. 106, 107, 206, 207 d. 106, 206

a. 305, 306, 405, 406

The number of teeth in an adult dog's mouth is a. 42 b. 30 c. 48 d. 32

a. 42

The timer switch on a dental x-ray unit can be remotely wired and mounted outside of the dental treatment room, or at least ________ away from the tube head. a. 6 to 8 ft. b. 6 to 8 inches c. 1 to 2 ft. d. 10 to 12 ft.

a. 6 to 8 ft.

_______ refers to a portion of the tooth that is closer to the apex (tip of the root). a. Apical b. Mesial c. Distal d. Coronal

a. Apical

Which common veterinary species has a relatively high prevalence of tooth resorption? a. Cats b. Dogs c. Horses d. Rats

a. Cats

For which anatomic structure is bilateral retropulsion important when completing an extraoral examination of the head? a. Eyes b. Ears c. Canine teeth d. Nares

a. Eyes

Which nerve block would be effective to desensitize both the buccal and palatal sides of one half of the upper arcade of teeth? a. Maxillary nerve block b. Inferior alveolar nerve block c. Middle mental nerve block d. Infraorbital nerve block

a. Maxillary nerve block

Which of the following activities is not recommended to decrease the bacterial load of the mouth of companion animals? a. Use of household antiseptic mouthwash b. Regular tooth brushing c. Feeding an appropriate hard food diet d. Providing chew toys

a. Use of household antiseptic mouthwash

Terms used to signify the tooth surface facing the lips include all except a. apalatal. b. vestibular. c. buccal. d. labial.

a. apalatal.

Dental tasks that fall within the purview of the veterinary technician a. include professional dental cleanings. b. include certain procedures that may result in alterations in the shape, structure, or positional location of teeth in the dental arch. c. are consistent from state to state. are left to the discretion of each local practice.

a. include professional dental cleanings.

Placing the sensor parallel to the long axis of the tooth to produce a dental radiograph can only be used to produce radiographs of the a. mandibular teeth caudal to the symphysis. b. caudal to the symphysis. c. mandibular teeth. d. maxillary teeth rostral to the symphysis.

a. mandibular teeth caudal to the symphysis.

The hard palate forms the rostral two-thirds of the roof of the mouth and is covered by palatal mucosa arranged in prominent ridges called _________. a. rugae b. zygomatic c. xiphoid d. oronasal fistula

a. rugae