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Ch12
| Term | Definition |
|---|---|
| Which of the following types of teeth in the primary dentition are replaced by first premolars in the adult dentition? | First primary molar |
| Which of the following premolar teeth normally has a bifurcated root? | Maxillary first premolar |
| How many molars are present in the permanent dentition? | 12 |
| 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. |
| A common anomaly of the maxillary lateral incisors that is characterized by unusually large open contacts is called | diastemas |
| Which of the following teeth are usually the last teeth to be lost? | Canines |
| There are _____ teeth in each arch of the primary dentition. | 10 |
| The primary teeth are classified in the Universal/National Teeth-Numbering System using | capital letters A through T. |
| Which of the following teeth are sometimes referred to as wisdom teeth? | Third molars |
| Which of the following permanent maxillary teeth normally have three roots? | First molars |
| How many canines are in a quadrant of the permanent dentition? | 1 |
| The ________ play an important role in a person’s appearance. | anterior teeth |
| How many premolars are in one arch of the permanent dentition? | 4 |
| The ________ is located where the cusp ridges converge at a central point, where the grooves meet on a posterior tooth. | central fossa |
| Premolars and molars are used for _____ food. | chewing |
| How many premolars are in each quadrant of the permanent dentitions? | 2 |
| Which of the following teeth are the smallest and most symmetric teeth in the permanent dentition? | Mandibular central incisors |
| Which of the following features of the posterior permanent dentition is associated with the termination of triangular grooves? | Triangular fossa |