#1
Which type of dental radiograph is commonly used to detect interproximal caries?
Bitewing radiograph
ExplanationUsed for detecting caries between adjacent teeth.
#2
In dental anatomy, what is the function of the incisors?
Tearing and cutting
ExplanationFunction involves tearing and cutting of food.
#3
What is the purpose of the 'bite block' used in panoramic radiography?
To stabilize the patient's head
ExplanationHead stabilization during panoramic imaging.
#4
What term is used to describe the removal of dental calculus and plaque from the tooth surfaces?
Prophylaxis
ExplanationCleaning to prevent dental issues.
#5
What is the term for the inflammation of the gingival tissues surrounding a tooth?
Gingivitis
ExplanationInflammation of gingival tissues.
#6
In dental anatomy, what is the primary function of the canines?
Tearing and cutting
ExplanationFunction involves tearing and cutting of food.
#7
Which dental radiograph provides a two-dimensional view of the entire dentition?
Panoramic radiograph
ExplanationOffers a full view of all teeth in a single image.
#8
What is the purpose of a cephalometric radiograph in orthodontics?
Evaluating facial and jaw relationships
ExplanationUsed to assess relationships for orthodontic treatment.
#9
What is the primary purpose of using a lead apron during dental radiography?
To protect against radiation exposure
ExplanationUsed to shield patients from radiation.
#10
Which anatomical landmark is used as a reference for mounting dental radiographs?
Incisive foramen
ExplanationReference point for radiograph positioning.
#11
Which dental radiographic technique is commonly used to assess the periodontal status of a patient?
Full-mouth series
ExplanationComprehensive assessment of periodontal health.
#12
Which anatomical structure is responsible for producing saliva in the oral cavity?
All of the above
ExplanationMultiple structures contribute to saliva production.
#13
Which tooth is known as the 'wisdom tooth'?
Third molar
ExplanationCommon term for the third molars.
#14
In dental radiography, what does the term 'PID' stand for?
Position Indicator Device
ExplanationDevice indicating X-ray beam direction.
#15
Which tooth is most commonly affected by the condition known as 'dental fluorosis'?
Incisor
ExplanationCondition often affects front teeth.
#16
What is the function of the temporomandibular joint (TMJ) in relation to dental anatomy?
Chewing and mastication
ExplanationJoint involved in chewing and jaw movement.
#17
In dental radiography, what does the acronym 'ALARA' stand for?
As Low As Reasonably Achievable
ExplanationRadiation exposure principle in imaging.
#18
What is the term for the abnormal alignment of teeth within the dental arch?
Malocclusion
ExplanationMisalignment of teeth.