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ch 39
work book questions
| Term | Definition |
|---|---|
| What is the second step involved in manual processing of dental radiographs? | Rinsing |
| _______________ are used to hold the film in position in the patient’s mouth. | film-holding devices |
| Where is the expiration date on a package of x-ray film? | Outside the box |
| You are scheduled to take radiographs on an 8 year old. What size of film that you will need to set up for the procedure for a right bitewing? | 2 |
| You are scheduled to take radiographs on a 28 year old. What size of film that you will need to set up for the procedure for a right bitewing? | 2 |
| Film designed for use in cassettes is _______________. | extraoral film |
| Indirect digital imaging involves the use of a(n) ________________. | phosphor storage plate (PSP) |
| What is the optimum temperature for the water in the manual processing tanks? | 68° F |
| How do positioning instruments protect the patient from unnecessary radiation? | It keeps the patient’s hands and fingers from being exposed to x-radiation. |
| What low-intensity light is composed of long wavelengths in the red-orange spectrum? | Safelight |
| The holder for extraoral films during exposure is a(n) _______________. | film cassette |
| Describe a basic style of film holder. | Bite-block with a backing plate and a slot for film-sensor retention |
| What converts x-ray energy into visible light? | Intensifying screen |
| _____________ is the process of using electronic transfer of images and other information for consultation and/or insurance purposes in dentistry. | teledentistry |
| ______________ is a method of film processing that uses film racks and processing tanks. | Manual processing |
| You are scheduled to take radiographs on an 8 year old. What size of film that you will need to set up for the procedure on a maxillary right molar? | 1 |
| How often should processing solution be replenished? | Daily |
| A radiograph that shows large areas of the maxilla or mandible is the _______________. | occlusal |
| Are manual processing solutions and automatic processing solutions interchangeable? | No |
| What size film is used for posterior periapical radiographs on an adult patient? | 2 |
| Which side of the film faces toward the tube? a. Envelope-looking side b. Silver side c. White side | Envelope-looking side |
| What is the major advantage of automatic film processing? | It saves time. |
| How should x-ray film be stored? | away from light |
| A(n) _______________ shows the crowns of both arches on one film. | bitewing |
| The image on the film before it is processed is the _______________. | latent image |
| A coating on the x-ray film that contains energy-sensitive crystals is the _______________. | emulsion |
| When would you need to duplicate a radiograph? | To send to an insurance company To refer a patient to a specialist |
| ______________ is a solid-state image sensor used in intraoral digital imaging. | charge-coupled device (CCD) |
| Name the types of extraoral film cassettes. | Flexible Rigid |
| green | endo |
| A radiograph that shows the crown, root tip, and surrounding structures is a(n) _______________. | periapical |
| What is the minimum distance between a safelight and the working area? | 4 feet |
| Name a component of an intraoral film. | Aluminum foil |
| You are scheduled to take radiographs of your patient today. For the area noted below, give the size of film that you will need to set up for the procedure and be prepared to take the radiograph: Maxillary right molar | 2 |
| The _______________ is determined by the sensitivity of the emulsion on the film to radiation. | film speed |
| A(n) _______________ is an electronic signal captured by sensors and displayed on computer monitors. | digital image |
| Film Speed | Refers to the amount of radiation required to produce a radiograph of standard density (darkness) |
| Film speed is determined by the following factors: | Size of the silver halide crystals Thickness of the emulsion Presence of special radiosensitive dyes |
| Three types of x-ray film are used in dental radiography: | Intraoral Extraoral Duplicating |
| The _______________ is the solid white side of the film that should face the x-ray tube. | tube side |
| The _______________ is the colored side of the film that should face the patient’s tongue. | label side |
| Film designed for use in cassettes is _______________. | extraoral film |
| ______________ are faults that occur on the radiograph during processing. | processing errors |
| Intraoral film packets are typically available in boxes of | 25, 100, or 150 films |
| Boxes of film are labeled with the following information: | Type of film, film speed, number of films per individual packet, total number of films in the box, and the expiration date |
| On one corner of the film packet is a small raised bump known as the | identification dot |
| What size film is used for occlusal radiographs? | 4 |
| ______________ are used to indicate the location of the position indicator device (PID) in relation to the tooth and film. | beam alignment devices |
| ________________is film that is used for placement in the patient’s mouth. | intraoral film |
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ARIGON5248