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To correct an elongated image on an x-ray view, the vertical angulation needs to be. dimensional distortion (magnification or enlargement) of the crowns of A developmental disability is an impairment of mental or physical functioning that occurs before adulthood and lasts forever. Assume the work function is negligible. Find an expression for the velocity component in the yyy direction. Clear 1 0 obj<> endobj 2 0 obj<>/Font<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC]/ExtGState<>>> endobj 3 0 obj<>stream b. -The crestal bone, The alignment of the x-ray beam in the horizontal and vertical planes formed by the long axis of the teeth and the film sensor placement is referred to as. person). diagnose pathologic conditions of the tooth,root and bone as well as tooth formation and eruption, For the average adult a FMX consists of how many films, when taking a FMX which area is the region in which the number of films usually varies, when taking a FMX in the anterior region and you are using the bisecting technique which size of film would you use and how many would you take, when taking a FMX in the anterior region and you are using the paralleling technique which size of film would you use and how many would you take, what are the two basic techniques for obtaining periapical x-rays, Why is the paralleling technique recommended over the bisecting technique, becuuse it provides the most accurate image with the least amount of radiation exposure to the patient, in which situations would the operator need to use the bisecting technique over the paralleling technique, if the pt has a small mouth, shallow palate, tori, the paralleling technique is also known as what, extension cone paralleling ( XCP) right angle or long cone technique, what are the 5 basic rules to following when using the paralleling technique, film placement, film position, vertical angulation,horizontal angulation and central ray, when using the paralleling technique how must the film be positioned, when using the paralleling technique how must the film holder be placed, away from the teeth and toward the middle of the mouth, when using the paralleling technique what does it mean when we are talking about vertical angulation, the central ray of teh x-ray beam must be directed perpendicular ( right angles ) to the film and the long axis of the tooth, what does it mean when we are talking about horizontal angulation when using the paralleling technique, the central ray of the x-ray beam must be directed through the contact areas between the teeth, failure to center the central ray on the film will result in what, when exposing periapical films with teh paralleling technique where does the book say you should always start, why does the book say you should start with anterior teeth, the film size # 1 is small and is easier for patients to tolerate,patients adapt more easily to the anterior film holder,less likely to gag, what color is the anterior XCP ring/rod system, what color is the posterior XCP ring/rod system, what color is the bitewing XCP rint/rod system, the bisecting technique is based on what principle, the geometric principle of equally dividing a triangle, where should you uplace the film when using the bisecting technique, directly against the teeth to be radiographed, whith the bisecting technique the angle formed by the ____ and the __________ is bisected into two equal parts, when bisecting where is the xrya beam directed, what is the major disadvantage of the bisecting technique, images on the film are dimensionally distored, when using the bisecting technique what should you never do, have the patient hold the film in their mouth with their finger, what types of film holders can you use for bisecting, the BAI, the Stabe bite block, the EeZee grip formerly known as the snap a ray, in the bisecting technique what is critical, by moving the PID in a horizontal or vertical direction, what does incorrect horizontal angulation result in, incorrect vertical angulation results in what, image that is not the same length as the tooth that is being xrayed.