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Radiography
Ch 23 Occlusal and Localization Techniques
| Question | Answer |
|---|---|
| What is the occlusal technique used to examine? | Large areas of the upper or lower jaw |
| What size receptor is used in the occlusal examination for adults? | 4 |
| Which size receptor would you use to take an occlusal image on a 3-year-old patient? | 2 |
| How is the receptor stabilized in the patient’s mouth when taking a mandibular cross-sectional occlusal projection? | The patient gently bites on the surface of the receptor. |
| When using the occlusal technique, which side of the receptor is is facing the arch that is being exposed? | The tube side |
| Where in the mouth is the receptor placed for an occlusal image? | Between the occlusal surfaces of the maxillary and mandibular teeth |
| Which of the following is a maxillary occlusal projection but not a mandibular occlusal projection? | Lateral occlusal projection |
| Which occlusal projection is used to examine the palate and the anterior teeth of the maxilla? | Topographic occlusal projection |
| Which occlusal projection is used to locate foreign bodies or salivary stones in the region of the floor of the mouth? | Cross-sectional occlusal projection |
| The pediatric projection is recommended for use in children ____ years old or younger. | 5 |
| For the maxillary topographic occlusal projection, the central ray is directed at ____ degrees. | +65 |
| The dental image is a _______-dimensional picture of a _______-dimensional object. | Two; three |
| What dimensions of an object does a dental image depict? | Length, width, depth |
| The buccal object rule depends on a ________ image shift when trying to locate vertically aligned images. | Horizontal |
| With the buccal object rule, an object to the buccal of the reference object will move in the ________ direction as the shift. | Opposite |
| The “S” in the mnemonic SLOB stands for | Same |
| According to the SLOB rule, when two dental images are compared, an object that lies to the lingual will appear to have moved in which direction? | In the same direction as the PID |
| According to the SLOB rule, when two dental images are compared, an object that lies to the buccal will appear to have moved in which direction? | In the the opposite direction as the PID. |
| When the right-angle technique is used, an occlusal receptor is exposed directing the central ray at ____ degrees to the receptor. | 90 |
| What angle would the PID need to be directed when taking a maxillary occlusal image on a 4-year-old patient? | +60 degree |
| You have been asked to take a dental image of an area to locate the buccal-lingual and anterior-posterior position of an object embedded within the patient's gum tissue. What technique would you use? | Right-angle technique |
| Which type of image could you take to evaluate an impacted tooth in an 18 year old patient? | Maxillary topographic occlusal projection |
Created by:
BrendaAlberts