Waters Projection Radiographic Technique Quiz

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Which of the following is a developmental disability?

Cavities

Gingivitis

Tooth decay

Autism (correct)

At what age do most adolescents have 28 permanent teeth in place?

21

16

13 (correct)

10

What is the recommended technique for imaging the edentulous patient with severely resorbed alveolar ridges?

Paralleling technique

Bitewing technique

Occlusal technique

Bisecting technique (correct)

Which type of dental images are needed whenever evidence of caries is suspected in pediatric patients?

Bitewing images Signup and view all the answers

Which area is most likely to elicit the gag reflex when stimulated?

The maxillary molar region Signup and view all the answers

What should be done to relax and reassure a patient with a hypersensitive gag reflex?

All of the above Signup and view all the answers

What are the two reactions that occur before the gag reflex is initiated?

Cessation of respiration and contraction of throat muscles Signup and view all the answers

Which of the following techniques can help suppress the gag reflex during receptor placement and exposure?

Humming a song while placing the receptor Signup and view all the answers

What should the dental radiographer do if the patient starts gagging upon receptor placement?

Remove the receptor as quickly as possible Signup and view all the answers

What is the recommended receptor placement sequence for someone with a severe gag reflex?

Anterior, premolar, molar Signup and view all the answers

How should the dental radiographer communicate with a patient who is blind or visually impaired?

Communicate using clear verbal explanations Signup and view all the answers

Which type of imaging is typically used in general dental practices to view large areas of the jaws and the skull?

Panoramic imaging Signup and view all the answers

What is the purpose of using extraoral imaging?

All of the above Signup and view all the answers

Which film size is most often used in film-based extraoral imaging?

8 × 10 inch Signup and view all the answers

What is the purpose of using a grid in extraoral imaging?

All of the above Signup and view all the answers

Which projection is used to evaluate impacted teeth, fractures, and lesions in the body of the mandible?

Lateral Jaw - Body of Mandible Signup and view all the answers

Which projection is used to evaluate impacted third molars, large lesions, and fractures in the ramus of the mandible?

Lateral Jaw - Ramus of Mandible Signup and view all the answers

Which projection is used to evaluate facial growth and development, trauma, and disease and developmental abnormalities?

Lateral Cephalometric Projection Signup and view all the answers

Which projection is used to evaluate frontal and ethmoid sinuses, orbits, and nasal cavity?

Posteroanterior Projection Signup and view all the answers

Which structures are examined in temporomandibular joint tomography?

Condyle, articular eminence, and glenoid fossa Signup and view all the answers

What is the purpose of tomography in TMJ imaging?

To show structures within a selected plane of tissue Signup and view all the answers

How is the selected plane of tissue determined in TMJ tomography?

By moving the receptor and x-ray tubehead in opposite directions around a fixed rotation point Signup and view all the answers

Which projection is used to evaluate the maxillary sinus area?

Waters projection Signup and view all the answers

What is the purpose of the submentovertex projection?

To identify the position of the condyles and evaluate fractures of the zygomatic arch Signup and view all the answers

What is the purpose of the reverse Towne projection?

To identify fractures of the condylar neck and ramus area Signup and view all the answers

What is the purpose of the transcranial projection?

To evaluate the superior surface of the condyle and the articular eminence Signup and view all the answers

Waters Projection Radiographic Technique Quiz

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Questions and Answers

Which of the following is a developmental disability?

At what age do most adolescents have 28 permanent teeth in place?

What is the recommended technique for imaging the edentulous patient with severely resorbed alveolar ridges?

Which type of dental images are needed whenever evidence of caries is suspected in pediatric patients?

Which area is most likely to elicit the gag reflex when stimulated?

What should be done to relax and reassure a patient with a hypersensitive gag reflex?

What are the two reactions that occur before the gag reflex is initiated?

Which of the following techniques can help suppress the gag reflex during receptor placement and exposure?

What should the dental radiographer do if the patient starts gagging upon receptor placement?

What is the recommended receptor placement sequence for someone with a severe gag reflex?

How should the dental radiographer communicate with a patient who is blind or visually impaired?

Which type of imaging is typically used in general dental practices to view large areas of the jaws and the skull?

What is the purpose of using extraoral imaging?

Which film size is most often used in film-based extraoral imaging?

What is the purpose of using a grid in extraoral imaging?

Which projection is used to evaluate impacted teeth, fractures, and lesions in the body of the mandible?

Which projection is used to evaluate impacted third molars, large lesions, and fractures in the ramus of the mandible?

Which projection is used to evaluate facial growth and development, trauma, and disease and developmental abnormalities?

Which projection is used to evaluate frontal and ethmoid sinuses, orbits, and nasal cavity?

Which structures are examined in temporomandibular joint tomography?

What is the purpose of tomography in TMJ imaging?

How is the selected plane of tissue determined in TMJ tomography?

Which projection is used to evaluate the maxillary sinus area?

What is the purpose of the submentovertex projection?

What is the purpose of the reverse Towne projection?

What is the purpose of the transcranial projection?

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