#1
Which intraoral imaging technique provides a two-dimensional image of the entire dentition, including the upper and lower jaws?
Panoramic radiography
ExplanationPanoramic radiography captures a comprehensive two-dimensional image of the entire dentition, including upper and lower jaws.
#2
Which intraoral imaging technique is most commonly used to visualize the periapical region of a single tooth?
Periapical radiography
ExplanationPeriapical radiography is commonly used to visualize the periapical region of a single tooth for diagnostic purposes.
#3
Which intraoral imaging technique is commonly used to evaluate the alignment of teeth and their relationship to the jaws?
Cephalometric radiography
ExplanationCephalometric radiography is commonly used to assess the alignment of teeth and their relationship to the jaws.
#4
Which intraoral imaging technique is commonly used to assess the bone levels around teeth and detect periodontal disease?
Periapical radiography
ExplanationPeriapical radiography is commonly used to assess bone levels around teeth and detect periodontal disease.
#5
What is the primary purpose of using a lead apron during intraoral radiography?
To protect the patient from scattered radiation
ExplanationThe primary purpose of using a lead apron during intraoral radiography is to protect the patient from scattered radiation exposure.
#6
In digital intraoral radiography, what is the function of a charge-coupled device (CCD)?
To convert X-rays into electrical signals
ExplanationA CCD in digital intraoral radiography converts X-rays into electrical signals, facilitating digital image formation.
#7
What is the typical resolution range (in pixels) of intraoral sensors used in digital radiography?
1000 x 1000 to 2000 x 2000
ExplanationIntraoral sensors for digital radiography typically have a resolution range of 1000 x 1000 to 2000 x 2000 pixels.
#8
Which of the following intraoral imaging techniques is most suitable for detecting early interproximal caries?
Bitewing radiography
ExplanationBitewing radiography is most suitable for detecting early interproximal caries by providing detailed views of tooth surfaces.
#9
What is the purpose of using an aiming ring or device in intraoral radiography?
To align the X-ray beam
ExplanationAn aiming ring or device in intraoral radiography is used to align the X-ray beam accurately for precise imaging.
#10
Which of the following factors affects the image contrast in intraoral radiography?
Kilovoltage (kVp)
ExplanationImage contrast in intraoral radiography is influenced by the kilovoltage (kVp) settings.
#11
What is the purpose of using an occlusal film in intraoral radiography?
To capture the entire arch in a single exposure
ExplanationOcclusal films in intraoral radiography are used to capture the entire arch in a single exposure, providing a comprehensive view.
#12
What is the main advantage of using digital intraoral sensors over traditional film-based radiography?
Faster image acquisition
ExplanationDigital intraoral sensors offer faster image acquisition compared to traditional film-based radiography, improving efficiency.
#13
In digital intraoral radiography, what is the function of a scintillator?
To convert X-rays into visible light
ExplanationA scintillator in digital intraoral radiography converts X-rays into visible light, contributing to image formation.
#14
Which intraoral imaging technique is best suited for assessing the temporomandibular joint (TMJ) and surrounding structures?
Cone-beam computed tomography (CBCT)
ExplanationCone-beam computed tomography (CBCT) is ideal for assessing the TMJ and surrounding structures in three dimensions.
#15
In digital intraoral radiography, what is the primary function of a digital image receptor?
To convert X-rays into electrical signals
ExplanationThe primary function of a digital image receptor in digital intraoral radiography is to convert X-rays into electrical signals for digital image formation.
#16
Which intraoral imaging technique is best suited for detecting mandibular fractures?
Cone-beam computed tomography (CBCT)
ExplanationCone-beam computed tomography (CBCT) is best suited for detecting mandibular fractures due to its detailed three-dimensional imaging capabilities.
#17
In digital intraoral radiography, what is the function of an analog-to-digital converter (ADC)?
To digitize electrical signals into digital data
ExplanationAn analog-to-digital converter (ADC) in digital intraoral radiography digitizes electrical signals into digital data for further processing.