#1
Which of the following dental imaging techniques uses X-rays to capture images of the teeth and surrounding structures?
Panoramic radiography
ExplanationPanoramic radiography captures images using X-rays.
#2
What type of dental radiograph provides a two-dimensional view of the entire dentition in a single image?
Panoramic radiograph
ExplanationPanoramic radiograph offers a complete view of dentition in one image.
#3
Which of the following dental radiographs provides detailed views of the tooth roots and surrounding bone?
Periapical radiograph
ExplanationPeriapical radiograph shows detailed tooth root and bone views.
#4
What is the term for the process of converting X-ray energy into a visible image in dental radiography?
Image receptor
ExplanationImage receptor converts X-ray energy to visible images.
#5
What type of dental radiograph is commonly used to assess the relationship between the maxilla and the mandible?
Cephalometric radiograph
ExplanationCephalometric radiograph assesses maxilla-mandible relationship.
#6
Which of the following is an advantage of digital radiography over conventional film radiography?
Immediate image preview
ExplanationDigital radiography allows immediate viewing of images.
#7
What is the purpose of a contrast medium in dental radiography?
To enhance visualization of soft tissues
ExplanationContrast medium improves soft tissue visibility.
#8
Which of the following is NOT a common use of dental radiographs?
Diagnosing diabetes
ExplanationDental radiographs are not used for diagnosing diabetes.
#9
What is the term for the distance between the X-ray source and the image receptor in dental radiography?
Source-to-image distance (SID)
ExplanationSID is the distance between X-ray source and receptor.
#10
What is the purpose of a grid in dental radiography?
To reduce scatter radiation
ExplanationGrids reduce scatter radiation in dental radiography.
#11
Which dental imaging technique is commonly used to assess the position of impacted teeth and detect temporomandibular joint disorders?
Cone beam computed tomography (CBCT)
ExplanationCBCT evaluates impacted teeth and TMJ disorders.
#12
Which of the following factors affects the quality of dental radiographic images?
Radiographic technique
ExplanationQuality is affected by radiographic technique.
#13
What is the term for the ability of a material to absorb X-rays in dental radiography?
Radiopacity
ExplanationRadiopacity refers to material's X-ray absorption ability.
#14
Which of the following factors can affect the accuracy of cephalometric radiographs?
Patient's height
ExplanationCephalometric radiograph accuracy can be affected by patient's height.
#15
Which of the following factors is essential to consider when positioning a patient for a cephalometric radiograph?
Patient's head tilt
ExplanationHead tilt is crucial when positioning for cephalometric radiograph.