PARALLELING TECHNIQUE
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| Moving or lying in the same plane is known as _________________. | parallel
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| Increased object-receptor distance causes _____________________ to occur. | image magnification
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| What receptor holder is disposable? | Stabe bite-block
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| How can image magnification be decreased? | increase the target-receptor distance
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| Is the receptor placed parallel or perpendicular to the long axis of the tooth? | parallel
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| How is the central beam directed to the receptor? | perpendicular
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| What size receptor is generally used for anterior teeth? | size 1
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| How should reusable receptor holders be cleaned after each use? | sterilized
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| What are Rinn XCP instruments? | receptor holders that use aiming rings to assist in the alignment of the PID
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| Which area of the mouth generally uses a size 2 receptor for dental images? | posterior
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| Patients my gag on receptors that could typically be tolerated without gagging after the gag reflex has been stimulated. T or F | True
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| How many images will be taken of the anterior teeth if a size 1 receptor is used? | 7
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| In exposure sequence, which quadrant is best for you to begin with? | maxillary right quadrant
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| In exposure sequence, where is the second quadrant you should take images? | mandibular left quadrant
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| Where should you begin the anterior sequence for exposures? | tooth 6
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| When will you take only 6 exposures of the anterior teeth? | when using size 2 receptors
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| If parallelism is greater than 20 degrees when your patient has a shallow palate, the technique should be modified. T or F | True
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| How many techniques can be used to compensate for a shallow palate due to a shallow palate? | Two
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| How much should the vertical angulation be increased by to compensate for the lack of parallelism? | 5 to 15 degrees
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| There are ______ images taken on the posterior teeth for the paralleling technique. | 8
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| Where should the identification dot be placed when using XCPs? | in the slot of the bite block
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| Where do you place the receptor when your patient has a mandibular torus? | between the torus and the tongue
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| One advantage of the paralleling technique is that it creates images free of dimensional distortion? T or F | True
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| Where should the receptor be placed when a patient has a palatal torus? | on the far side of the torus
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| How should a receptor be placed in the mandibular premolar region? | placed under the tongue
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| The maxillary incisor image should include ________________, ___________________, and surrounding bone of the right or left central and lateral incisors. | crowns, roots
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| The lingual cusp of the first premolar can obscure the distal contact of the canine in which exposure? | maxillary canine
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| What distance is used to compensate for image magnification and loss of definition? | 16" target-receptor
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| The maxillary molar image will capture which anatomical structures? | crowns, roots, surrounding bone, tuberosity and 1st, 2nd, 3rd molars
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| A beam alignment device will reduce the amount of radiation a patient receives when using the paralleling technique. T or F | False- a rectangular collimator will
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| How much reduction in radiation will a patient receive if the size of the x-ray beam is limited? | 70%
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| Which beam alignment device uses one arm and one ring and is used for anterior, posterior and bite-wings? | Rinn XCP-ORA System
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| What does "receptor position" refer to? | the receptor being parallel to the long-axis of the tooth
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| How should the central ray be directed to the receptor in the paralleling technique? | perpendicular
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| What does horizontal angulation indicate? | the central ray being directed through the contact area of the teeth
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