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Mod 6 BitewingExam
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Question | Answer |
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Bite tab | An extension, usually made of paper, used to stabalize the film during a bitewing exposure. |
Bitewing radiograph | A radiograph showing the crowns of both the upper a lower teeth on the same film. |
Contact point | The area of a tooth surface that touches another tooth. The point where two teeth touch. |
Embrasures | The space normally filled by the enterdental papillae. |
External aiming device | an aid used to align the x-ray beam to the film. |
Film loop | Made of card board, used as a film holder. |
Horizontal angulation | Doing this incorrectly results in overlapping the proximal structures. |
Horizontal bitewing radiograph | The long dimension of the film packet is positioned horizontally. |
Interproximal radiograph | Same as a BWX. |
Negative angulation | Achieved by pointing the tip or end of the PID upward from a horizontal plane. |
Overlap | The structure of one tooth, superimposed over another. |
Point of entry | The spot at which the central beam of radiation is directed on the face during an intraoral exposure. |
Positive angulation | Achieved by pointing the tip or end of the PID downward from a horizontal plane. |
Vertical angulation | Achieved by directing the PID upward or downward. |
Vertical bitewing radiograph | The long dimention of the film packet is positioned vertically, resulting in seeing more periodontium on the film. |