Edentulous radiographic - Study guides, Class notes & Summaries

RHS exam Questions and answers. 100% Accurate. Graded A+ the American dental association recommends that radiographs be mounted with the embossed dots all facing the same direction Radiolucent the dark or black portions of the image; result from the passage of energies through less dense areas (pulp, caries, foramen) Bisecting angle technique Film is placed close to teeth, central ray is aimed at imaginary line between teeth & film to view an abscess on tooth #25 the best radiographic...

DANB Radiology Exam Questions with 100% Correct Answers The best way to correct a conecutting error is to adjust - answerfilm position During film processing, which of the following can cause a dark image? - answeroverdeveloped film Where is the most common area in the oral cavity for a dentigerous cyst? - answeraround the third molars Which of the following describes how most radiographic carious lesions appear? - answerradiolucent The primary purpose of the bitewing radiograph is to e...

decreased compared to radiographic exposure of a patient with complete dentition, when exposing periapical radiographs on an edentulous patient, the exposure time should be shielding one of the most effective ways to protect an operator from scattered radiation is shorter exposure time using E speed instead of D speed radiographic film requires longer/shorter exposure time high film density an unsafe safelight will produce a radiograph with low/high film density b...

A step wedge can be used to demonstrate A. penumbra B. film contrast C. magnification of image D. film composition - answer-B On a radiograph, what is the dense radiopaque band that outlines the edge of the mandible? A. Mylohyoid ridge B. Inferior border C. Mental protuberance D. Oblique ridge - answer-B Which the following quality control tests evaluates safe lighting in the darkroom? A. Timer test B. Step wedge C. Coin test D. Normalizing device - answer-C Which film woul...

1. Clasp distortion occurred because A. ductility was too low. B. hardness was too great. C. ultimate tensile strength was too low. D. tension temperature was too high. E. elastic limit was exceeded. 2. When all other removable partial denture considerations remain unchanged; clasps constructed of which material can engage the deepest undercut: A. Chrome cobalt casts. B. Nickel chrome casts. C. Wrought stainless steel. D. Wrought gold. Gold engages 0.75 mm undercut, St.St. 0.5 mm un...

1. For lower premolars, the purpose of inclining the handpiece lingually is to, A. Avoid buccal pulp horn B. Avoid lingual pulp horn C. Remove unsupported enamel D. Conserve lingual dentine - ANSWER A. Avoid buccal pulp horn Explanation 1- avoid BUCCAL pulp horn 2- conserve ling. dentine So take A and B if available 2. For an amalgam restoration of a weakened cusp you should, A. reduce cusp by 2mm on a flat base for more resistance B. reduce cusp by 2mm following the outli...

___ shell interaction has the highest binding energy and is the most useful for medical imaging - ANSWERk roentgen discovered radiation in - ANSWER1895 ionization - ANSWERthe process of adding or removing electrons from an atom or molecule, which gives the atom or molecule a net charge particulate radiation - ANSWERparticles that have mass and travel in straight lines fast NOT THE SPEED OF LIGHT neutrons protons electrons beta and gamma electromagnetic radiation - ANSWERelect...

If there are no teeth to serve as guides, which of the following landmarks indicates a maxillary molar area radiograph? A. Mental foramen B. Incisive foramen C. Internal oblique ridge D. Tuberosity - answer-D. Tuberosity The American Dental Association recommends that radiographs be mounted with the embossed dots A. at the apices. B. on the occlusal surface. C. towards the center. D. all facing in the same direction. - answer-D. all facing in the same direction. When executing a ro...

Which of the following landmarks are located by the mid-line of the mandible? CORRECT ANSWER Genial tubercles Film should be stored in CORRECT ANSWER its original lead-wrapped packaging. Compared to a dentulous patient, radiographic exposure time on an edentulous adult patient should CORRECT ANSWER decrease Which of the following increases the density on duplicated film? CORRECT ANSWER decrease the exposure time Dental x-rays should be prescribed when the CORRECT ANSWER benefits outw...

The American dental association recommends that radiographs be mounted with the embossed dots Ans. All facing the same direction Radiolucent Ans. The dark or black portions of the image; result from the passage of energies through less dense areas (pulp, caries, foramen) To view an abscess on tooth #25 the best radiographic expose is Ans. A periapical Which radiograph technique is recommended for a patient with a shallow palate? Ans. Bisecting angle technique Radiopaque Ans. Lig...