Mod E Final Review

What type of extraoral film requires an intensifying screen and a cassette?

The light-tight packet can be made of plastic or paper.

Substances that flow freely:

Unit of quantity of electrical current:

Too much vertical angulation is considered:

May appear parallel with the apices of the mandibular molars

An opening for nerves visible near the apex of the mandibular bicuspids:

The difference between black and white on a film:

What is the most sensitive tissue to radiation?

When taking a cuspid film, make sure to center the cuspid on the film.

Smallest particle of an element:

Who owns the x-rays taken on a patient?

Caries appears _________ on a film.

These should be recorded on a film mount: 1. pt's name 2. pt's age 3. date 4. dentist's name

Personnel monitoring badges detect the amount and type of radiation received

The degree of blackness on a film:

Who invented the bitewing film?

Part of the atom that is positively charged:

Taking an xray twice with the same film

A survey film that shows the entire arch.

Amalgam appears _________on a film.

Films should be stored in the x-ray room.

Anything that occupies space and has mass:

May appear superimposed over the root of the mandibular bicuspid and molars.

Development of tissue abnormally:

What part of the film is towards the teeth?

Enamel appears ________ on a film.

Who invented the tungsten high vacuum tube?

Who developed the long-cone parallel technique?

Part of the x-ray tube that is positive:

Describes occupational personnel and exposure they may safely receive.

The purpose of a bitewing film is to detect interproximal caries

In the bisecting technique, the vertical angulation for upper molars is:

Film packed backwards causes

What determines the penetrating power of the x-ray beam?

What determines the amount of radiation needed to produce the quality radiograph?

The sharpness of the image:

The center of the atom is called:

A type of film that shows the interproximal of upper and lower teeth.

Substances that are difficult to compress:

In the bisecting technique, the vertical angulation for upper bicuspids is:

What size film is used for occlusal film?

What is the sequence for automatic processing?

Shows in the interproximal area of teeth.

What should be on the film when taking a bicuspid periapical?

Radio waves are considered ________ wavelengths.

What is the solvent in the fixing solution?

Roentgenology is another term for:

sink, disinfectant, timer, film racks are found in a darkroom

Which describes denser tissues that appear white on the film?

X-rays are considered ________wavelengths.

The slightly curved plane of the occlusal surfaces of posterior teeth:

The finer the grain on the film the better the detail.

Part of the x-ray tube that is positive:

Low intensity radiation from the collimator or filter.

A temporary redness of the skin caused by overexposure to radiation:

What part of the developing solution prevents fogging?

A panorex is considered an intraoral film.

How long do you develop films for at 68 degrees?

The purpose of the collimator:

Radiographic representation on an exposed but not processed film:

X-rays are invisible.

The purpose of the bitewing tab is to secure the position of the film.

Who is the father of modern dental radiology?

The purpose of mounting x-rays is to retain the sequence order for diagnosing.

Flare of the nostril.

Darkness of the film after developing:

What part of the fixing solution removes unexposed silver bromide crystals?

Who was the first dentist to x-ray for endodontic procedures?

Films used on the inside of the mouth:

Central ray emitted from the tube head.

Loss of detail on a film due to white light exposure causes

Having no retakes is another way of reducing radiation exposure.

Lightness of a film after developing:

In the bisecting technique, the vertical angulation for lower cuspids is:

Thin compact bone lining the alveolar socket.

A thin piece of transparent polyester coated with a gelatin:

Which describes less dense tissue that appear dark on the film?

Part of the x-ray tube that is negative:

A measurement of radiation absorbed by tissue:

Vertical imaginary line dividing the body into left and right.

Helps to reduce radiation exposure.

When a film is exposed to white light it will appear ________on the film.

The developer is an _________ solution.

What is the maximum permissible dose for dental personnel?

Lead disk to restrict the size of the beam:

The fixer is an _____solution.

The pulp appears _________on a film.

Made up of atoms that are alike (same number of protons and electrons):

What part of the fixing solution hardens the image onto the film?

Black paper is not part of the x-ray film packet.

The projection in front of the ear:

The up and down movement of the cone:

A suture line that joins the mandibular right and left.

How many full mouth surveys must you do on DXTTR?

With plus vertical angulation the cone is pointed:

A darkening of the film by other means than the primary beam:

Who did the first dental x-rays 14 days after the announcement of x-rays?

Partial exposure of a film is caused by

In the bisecting technique, the vertical angulation for lower molars is:

Radiolucent structure showing the area of breakdown on a tooth.

What is the measurement of the collimator?

ln the parallel technique, the central beam is directed at the:

Streaks on a processed film.

Gelatin grains made of silver bromide crystals:

Which describes the how tissues absorb radiation?

The side to side movement of the cone:

The safelight should be stored how many feet from the work area?

Upright portion of the mandible.

Basic unit of measuring ionizing radiation exposure:

The part of the film packet used to help prevent secondary radiation:

Full gold crowns appear _________ on a film.

In the bisecting technique, the central beam is directed at the:

What controls the electricity generated?

What size film is used for bitewings that can show all the teeth on the film?

Incorrect horizontal angulation:

Films used outside of the mouth.

Angle of the eye.

Who invented the first prewapped intraoral film?

Not enough vertical angulation is considered:

The parallel technique uses:

Who took the first intraoral radiograph?

Projection of tissue located at the middle of the ear.

Produced whenever the state of matter is altered:

The purpose of rapid processing is to see the image quickly.

Anyone under 18 can take x-rays as long as they have a certificate from a board approved course

A chemical combination of 2 or more atoms:

Film with no exposure will develop:

Gamma rays are considered __________ wavelengths.

Which solution in the developer builds contrast?

The size and quantity of grains on a film determine the quality of the film.

What part of the mandible can be seen in the molar periapical film?

The purpose of an occlusal x-ray is to:

What determines the amount of potential x-ray?

You do not have stir solutions before developing.

Rays that leave the x-ray machine any place other than the cone:

The bisecting technique uses:

With minus vertical angulation the cone is pointed:

The focal spot is on what part of the x-ray tube?

What is the maximum permissible dose for anyone under the age of 18?

Deflected radiation

An opening for nerves visible between the maxillary anteriors:

Cone-cutting is caused by incorrect cone placement.

What is the solvent used in developing solutions?

What part of the developing solution is considered the activator?

In the bisecting technique, the vertical angulation for lower central and laterals is:

What part of the x-ray tube contains the focusing cup?

What is the sequence for developing films in manual processing?

Web-like appearance on a radiograph.

Part of the atom that is negatively charged:

Who discovered x-rays?

Houses the periodontal ligament.

Used to protect the thyroid and parathyroid.

What is the most common size film used on adults?

Part of the x-ray rube to absorb weak unuseful x-rays:

Visible in the maxillary cuspid and premolar area.

n the bisecting technique, the vertical angulation for upper cuspids is:

How long was the exposure of the first dental radiograph?

An occlusal film is considered an intraoral film.

Radiation safety to shield the operatories.

Evident in the maxillary third molar film.

A type of film that shows the entire tooth.

What is the purpose of the developer?

Leakage on the emulsion.

A measurement for the amount of ionizing radiation to produce biological effects:

Image forming radiation:

The dot should face towards the tongue.

How far should you stand from the primary beam?

Substances that have a surface: