dental assisting ch 11 study questions
The two tooth surfaces that are proximal surfaces are the mesial and A. distal B. Labial C. Incisal D. Palatal
The answer is A
How many quadrants are there in the mandibular dentition? A. 1 B. 2 C. 8 D. 5
The answer is B
In angle class ________ occlusion, the mesiobuccal cusp of the permanent maxillary first molar occludes mesial to the mesiobuccal groove of the mandibular first molar A. I B. II C. III D. IV
The answer is B
The area where the mesial or distal surfaces of the tooth touch the adjacent tooth in the arch is the: A. Embrasure B. Contact area C. Line angle D. Point angle
The answer is B
The correct order for the teeth from mesial to distal in the permanent dentition is: A. Molars, premolars, incisors, canines B. Incisors, canines, premolars, molars C. Canines, incisors, premolars, molars D. Incisors, premolars, canines, molars
The answer is B
The crown of a tooth that is divided crosswise with the division being parallel to the occlusal or incisal surface of the tooth has which of the following divisions? A. Mesial third, Middle third, and distal third B. Occlusal third, middle third, and cervical third C. Facial third, middle third, and lingual third D. Incisal third, middle third, and lingual third
The answer is B
The human mouth is divided into two dental: A. quadrants B. Arches C. Sextants D. Segments
The answer is B
The initiation of the mixed dentition period is marked by which of the following events? A. Eruption of the adult mandibular first molar B. Eruption of the adult mandibular central incisor C. Loss of the primary mandibular central incisor D. Loss of the primary first molar
The answer is B
The mouth can be divided into six sections called: A. Arches B. Sextants C. Quadrants D. Dentitions
The answer is B
The primary teeth are ______ in the Universal/National System A. Numbered 1 to 32 B. Lettered with capital letters from A to T C. Numbered by quadrant D. Numbered with the maxillary central incisors as 18 an 28
The answer is B
The teeth in the upper arch are set in the: A. Zygomatic B. Maxilla C. Mandible D. Mentalis
The answer is B
The tooth numbering system most often used in the united states is the ______ system A. Palmer Notation B. Universal/National C. International Standards Organization D. Federation Dentair Internationale
The answer is B
The tooth surface closest to the cheek on posterior teeth is the _____ surface A. Incisal B. Buccal C. Palatal D. Lingual
The answer is B
There are _______ incisor teeth in the primary dentition A. 12 B. 8 C. 4 D. 0
The answer is B
Which of the following is the preferred term for bicuspid? A. Molar B. Premolar C. Canine D. Incisor
The answer is B
Which term is used to describe the period when both primary teeth and permanent teeth are present at the same time in the oral cavity? A. Primary B. Mixed C. Permanent D. Rudimentary
The answer is B
_________ are the longest teeth in the human dentition and are used for cutting and tearing A. Incisors B. Canines C. Molars D. Premolars
The answer is B
The _____ surface is the chewing surface on anterior teeth A. Incisal B. Occlusal C. Masticatory D. Lingual
The answer is C
When the Palmer Notation System (PNS) is used: A. The permanent teeth are numbered from 1 to 32. Numbering begins with the upper-right third molar, works around to the upper-left third molar, drops to the lower- third molar B. The first digit indicates the quadrant, and the second digit indicates the tooth within the quadrant, with Numbering from the midline to the posterior C. Each of the four quadrants is given its own tooth bracket made up of a vertical and a horizontal line D. Primary teeth are lettered with capital letters from A to T
The answer is C
Which of the following teeth are posterior teeth? A. Incisors and canines B. Canines and premolars C. Premolars and molars D. Incisors and molars
The answer is C
Which tooth is found only in the permanent dentition? A. Incisor B. Canine C. Premolar D. Molar
The answer is C
Which type of teeth are not found in the primary dentition? A. Incisors B. Canines C. Premolars D. Molars
The answer is C
Each quadrant of the primary dentition contains how many teeth? A. 32 B. 16 C. 8 D. 5
The answer is D
If a dentist uses the ISO numbering system and charts #11, #12, #13, #54, and #18 teeth as being present in the patients mouth, approximately what is the age of the patient? A. 5 to 6 B. 6 to 7 C. 8 to 9 D. 10 to 12
The answer is D
Incisors: A. Are posterior teeth B. Exist only in the primary dentition C. Have multiple roots D. Have shovel-shaped lingual surfaces
The answer is D
Permanent _____ are nonsuccedaneous teeth. A. Incisors B. Cuspids C. Premolars D. Molars
The answer is D
The _____ is the exact spot where adjacent teeth actually touch each other A. Contour B. Contact area C. Height of contour D. Contact point
The answer is D
The premolars are a cross between canines and: A. Central incisors B. Lateral incisors C. Bicuspids D. Molars
The answer is D
The relationship between the maxillary and mandibular teeth during biting and chewing movements is: A. Occlusion B. Closure C. Interproximal D. Functional occlusion
The answer is D
Which of the following describes the maximal stable contact between the occluding surfaces of the maxillary and mandibular teeth? A. Functional Occlusion B. Malocclusion C. Basic Occlusion D. Centric occlusion
The answer is D
Which of the following refers to an abnormal relationship when the teeth are maximally occluded? A. Centric occlusion B. Functional occlusion C. Physiologic occlusion D. Malocclusion
The answer is D
Which of the following statements is true of the contours of teeth? A. With over contouring, the gingiva can be traumatized by food pushing against it B. With under contouring, the gingiva will lack adequate stimulation and be difficult to clean C. The crown of the tooth broadens toward the cervical line D. A concave surface is curved inward
The answer is D
Which of the following surfaces is closest to the tongue? A. Incisal B. Facial C. Distal D. Lingual
The answer is D
Which of the following terms describes the permanent teeth that replace primary teeth? A. Deciduous B. Dentition C. Embrasure D. Succedaneous
The answer is D
Which statement is not true of the premolars? A. They are also referred to as bicuspids B. There are eight premolars in the permanent dentition C. All premolars have two cusps D. The premolars are used primarily for chewing and grinding food
The answer is c