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Chapter 12 final
chapter 12 quiz questions
| Question | Answer |
|---|---|
| Which of the following adult teeth is nonsuccedaneous? | Maxillary right first molar |
| The incisal plane of an anterior tooth is also known as the | incisal edge. |
| How many premolars are there in the primary dentition? | 0 |
| Which of the following features of the posterior permanent dentition is associated with the termination of triangular grooves? | Triangular fossa |
| Which of the following teeth are the largest and strongest maxillary teeth? | First molars |
| Which of the following teeth are usually the last teeth to be lost? | Canines |
| In the Universal Numbering System, the permanent maxillary first premolars are | #5 and #12. |
| Which of the following is a wide, shallow depression on the lingual surfaces of anterior teeth? | Fossa |
| The first premolar is anterior to the _____, whereas the second premolar is anterior to the first _____. | The first premolar is anterior to the second premolar, whereas the second premolar is anterior to the first molar. |
| Premolars and molars are used for _____ food. | chewing |
| Which of the following teeth in the permanent dentition will replace the primary second molars? | Second premolars |
| The maxillary second premolar differs from the maxillary first premolar in that the | lingual cusp is larger and almost the same height as the buccal cusp on the maxillary second premolar. |
| Most maxillary first premolars have a root that is divided into | two roots—buccal and lingual. |
| Which of the following teeth may have a fifth supplemental cusp? | Maxillary first molars |
| Which of the following teeth are sometimes referred to as wisdom teeth? | Third molars |
| Which of the following teeth are the smallest and most symmetric teeth in the permanent dentition? | Mandibular central incisors |
| The ________ play an important role in a person’s appearance. | anterior teeth |
| Which of the following permanent maxillary teeth normally have three roots? | First molars |
| How many premolars are in each quadrant of the permanent dentitions? | 2 |
| The root of the mandibular second premolar is ______ than the roots of the maxillary premolars but ______ than that of a mandibular first premolar. | The root of the mandibular second premolar is shorter than the roots of the maxillary premolars but longer than that of a mandibular first premolar. |
| Canines are also commonly referred to as | eyeteeth |
| In the Universal Numbering System, the four second permanent molars are | #2, #15, #18, and #31. |
| Which of the following premolar teeth normally has a bifurcated root? | Maxillary first premolar |
| Which of the following is true regarding differences between the maxillary and mandibular central incisors? | Labial surfaces of the maxillary central incisors are more rounded from the incisal aspect than those of the mandibular central incisors. |
| How many molars are present in the permanent dentition? | 12 |
| The ________ is located where the cusp ridges converge at a central point, where the grooves meet on a posterior tooth. | central fossa |
| The maxillary second premolar differs from the maxillary first premolar in that the | maxillary second premolar usually has one root. |
| Which of the following is true of primary teeth in contrast to permanent teeth? | Whiter enamel than permanent teeth |
| The lingual surfaces of anterior teeth have rounded, raised borders on the mesial and distal surfaces that are called | marginal ridges. |
| How many premolars are in one arch of the permanent dentition? | 4 |
| There are _____ teeth in each arch of the primary dentition. | 10 |
| How many canines are in a quadrant of the permanent dentition? | 1 |
| Which of the following teeth are most likely to be out of position in the dental arch? | Maxillary third molars |
| The mandibular central incisors are | smaller than the mandibular lateral incisors. |
| What is the canine eminence? | A bony ridge |
| Which of the following teeth vary more in form more than any other teeth in the mouth except the third molars? | Maxillary lateral incisors |
| A common anomaly of the maxillary lateral incisors that is characterized by unusually large open contacts is called | diastemas. |
| Which statement is not true of the maxillary canines? | |
| Which of the following terms is used to describe the rounded enamel extension on the incisal edge of newly erupted central and lateral incisors? | Mamelon |
| Using the Universal/National Teeth-Numbering System, what are the numbers for the permanent third molars? | 1, 16, 17, 32 |
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alejac0360