Oral Radiology Multiple Choice Question And Answers

Oral Radiology Multiple Choice Question And Answers

Question 1. Sun-burst appearance is the radiographic feature of:
1. Multiple myeloma
2. Ewing’s sarcoma
3. Burkitt’s lymphoma
4. Osteosarcoma

Answer 4. Osteosarcoma

Question 2. Generalized hypercementosis can be seen in:
1. Hypothyroidism
2. Paget’s disease
3. Trauma
4. Ameloblastoma

Answer 2. Paget’s disease

Question 3. Cementum is not apparent radiographically because:
1. It has high mineral content
2. It has low contrast compared to dentin
3. It has low mineral content
4. It has high contrast compared to dentin

Answer 2. It has low contrast compared to dentin

Read And Learn More: Oral Radiology Question And Answers

Question 4. Which of the following is not a true cyst?
1. Radicular cyst
2. Primordial cyst
3. Aneurysmal bone cyst
4. Dentigerous cyst

Answer 3. Aneurysmal bone cyst

Dental Radiology MCQs With Answers

“Understanding the role of MCQs in oral radiology exam preparation: Q&A explained”

Question 5. Which of the following conditions is associated with non-vital tooth?
1. Periapical cemental dysplasia
2. Hypercementosis
3. Cementoblastoma
4. Periapical condensing osteitis

Answer 4. Periapical condensing osteitis

Question 6. Which of the following cells are more radioresistant?
1. Basal cell of oral mucosa
2. Spermatocytes
3. Vascular endothelial cells
4. Striated muscle cells

Answer 4. Striated muscle cells

Question 7. Target in the X-ray tube is made of:
1. Aluminium
2. Copper
3. Molybdenum
4. Tungsten

Answer 4. Tungsten

“How do oral radiology MCQs improve diagnostic knowledge? FAQ answered”

Question 8. Which of the following mandibular landmarks can be seen in maxillary posterior intraoral periapical radiograph?
1. Lingula
2. Coronoid process
3. External oblique ridge
4. Inferior alveolar canal

Answer 2. Coronoid Process

Oral Radiology Quiz Questions

Question 9. Snow-driven appearance is characteristic radiographic feature of:
1. Pindborg tumor
2. CEOC
3. AOT
4. Chronic sclerosing osteomyelitis

Answer 1. Pindborg tumor

Question 10. Which of the following is not a PA view?
1. 0° occipitomental
2. Towne’s view
3. Reverse Towne’s view
4. 30° Occipitomental

Answer 3. Reverse Towne’s view

“Importance of studying oral radiology MCQs for better exam outcomes: Questions explained”

Question 11. Panoramic radiograph can be useful to view all of the following except:
1. Mandibular condyles
2. Symphysis
3. Ramus
4. Body of mandible

Answer 1. Mandibular condyles

Question 12. Basal cell nevus syndrome is associated with:
1. Odontogenic keratocyst
2. Pindberg tumor
3. Dentigerous cyst
4. Calcifying epithelial odontogenic cyst

Answer 1. Odontogenic keratocyst

Question 13. Which of the following views is not useful for maxillary sinuses?
1. Waters
2. OPG
3. Submentovertex
4. Reverse Towne’s

Answer 4. Reverse Towne’s

Question 14. Which of the following is best method to protect operator from occupational radiation exposure?
1. Leave the room
2. Use suitable lead barrier
3. Use lead apron and thyroid collar
4. Follow position and distance rule

Answer 3. Use lead apron and thyroid collar

MCQ On Dental X-Ray Interpretation

“Common challenges in answering oral radiology MCQs effectively: FAQs provided”

Question 15. Primary source of X-ray photons from X-ray tube is:
1. Bremsstrahlung radiation
2. Characteristic radiation
3. Photoelectric interaction
4. None of the above

Answer 1. Bremsstrahlung radiation

Question 16. Which of the following acts as anti-fog agent in developing solution?
1. Developer
2. Activator
3. Preservative
4. Restrainer

Answer 4. Restrainer

Question 17. ‘Sjögren syndrome’ on sialography will show:
1. Driven-snow appearance
2. Ball-in-hand appearance
3. Branchless fruit laden appearance
4. Cauliflwer appearance

Answer 3. Branchless fruit laden appearance

Question 18. Inverted Y line on maxillary IOPA forms due to crossing of:
1. Floor of nasal cavity and maxillary sinus
2. Zygomatic bone and maxillary sinus
3. Coronoid process and tuberosity
4. Mental ridges bilaterally

Answer 1. Floor of nasal cavity and maxillary sinus

Question 19. Target in X-ray tube is made of:
1. Aluminum
2. Copper
3. Molybdenum
4. Tungsten

Answer 4. Tungsten

“Why are oral radiology MCQs critical for certification exams? Answered”

Question 20. Brown tumors can be seen in:
1. Hyperthyroidism
2. Hypothyroidism
3. Hypoparathyrodism
4. Hyperparathyroidism

Answer 4. Hyperparathyroidism

Question 21. Cathode in X-ray tube is made of:
1. Tungsten and copper
2. Copper and molybdenum
3. Tungsten and molybdenum
4. Copper and lead

Answer 3. Tungsten and molybdenum

Question 22. X-rays were discovered by:
1. Edmund C Kells
2. WA Price
3. WC Roentgen
4. HR Raper

Answer 3. WC Roentgen

Question 23. Which one of the following cells are more radiosensitive?
1. Erythrocyte
2. Neuron
3. Nephron
4. Basal cells of oral mucosa

Answer 4. Basal cells of oral mucosa

Radiology Questions For Dental Exams

Question 24. Which one of the following cyst has pericoronal radiolucency?
1. Radicular cyst
2. Dentigerous cyst
3. Aneurysmal bone cyst
4. Para dental cyst

Answer 2. Dentigerous cyst

Question 25. Which of the following radiographic view to visualize fractures of zygomatic aids?
1. PNS view
2. OPG
3. AP view
4. Jug handle view

Answer 4. Jug handle view

“Factors influencing success with oral radiology MCQ practice: Q&A”

Question 26. Phalangioma is:
1. Processing error
2. Exposure error
3. Positioning error
4. None of the above

Answer 4. None of the above

Question 27. Branchless fruit laden tree and cherry blossom appearance are sialographic appearance of:
1. Sjögren’s syndrome
2. Sialolithiasis
3. Sialadenosis
4. Mumps

Answer 1. Sjögren syndrome

Question 28. The function of grid in extraoral radiography:
1. Reduces the exposure
2. Reduces the contrast
3. Increases the density
4. Improves the contrast and sharpness

Answer 4. Improves the contrast and sharpness

Question 29. Onion-peel appearance is classical features of:
1. Periapical abscess
2. Osteosarcoma
3. Garre‘s osteomyelitis
4. Periapical cyst.

Answer 3. Garre‘s osteomyelitis

Question 30. Which one of the following is not the example of electromagnetic radiations?
1. X-rays
2. Visible rays
3. UV rays
4. Cathode rays

Answer 4. Cathode rays

Question 31. Anode in X-ray tube is made of:
1. Tungsten and copper
2. Tungsten and molybdenum
3. Tungsten and lead
4. Lead and copper

Answer 1. Tungsten and copper

“Steps to explain different types of oral radiology MCQs: Anatomy vs pathology: Q&A guide”

Question 32. Father of dental radiology:
1. WC Rontgen
2. Edmund G kellis
3. Marie Curie
4. HR Rapes

Answer 2. Edmund G Kellis

Question 33. Tyre track appearance is a:
1. Processing error
2. Exposure error
3. Positioning error
4. None of the above

Answer 4. None of the above

Question 34. Which one of the following is best radiographic view to visualize maxillary sinus?
1. OPG
2. Submentovertex view
3. Lateral skull view
4. PNS view

Answer 4. PNS view

Question 35. Film badge is a type of:
1. Dosimeter
2. Sonometer
3. Thermometer
4. Any of the above

Answer 1. Dosimeter

Dental Radiology MCQs With Answers

Question 36. Intensifying screen in extraoral radiography is used for:
1. Increasing the sharpness
2. Reducing the exposure
3. Increasing the contrast
4. Increasing the density

Answer 2. Reducing the exposure

Question 37. Size of fims in occlusal radiography:
1. 31 × 41 mm
2. 61 × 71 mm
3. 57 × 76 mm
4. 27 × 54 mm

Answer 3. 57 x 76 mm

“Role of imaging techniques in oral radiology MCQs: Questions answered”

Question 38. Ground-glass appearance is classical feature of:
1. Cherubism
2. Osteopetrosis
3. Periapical cemental dysplasia
4. Fibrous dysplasia

Answer 4. Fibrous dysplasia

Question 39. Cells which are most radioresistant:
1. Basal cells of oral mucosa
2. Pleuripotent stem cells
3. Neurons
4. Nephrons of kidney

Answer 3. Neurons

Question 40. Multilocular radiolucency is a classical feature of:
1. Ameloblastoma
2. Adenomatoid odontogenic tumor
3. Complex odontome
4. Odontogenic myxoma

Answer 1. Ameloblastoma

Question 41. Total fitration is a path of a dental X-ray beam upto 70 kVp should be:
1. 2 mm aluminum
2. 1.5 mm aluminum
3. 3.5 mm aluminum
4. 0.5 mm aluminum

Answer 2. 1.5 mm aluminum

Question 42. The cells which are most sensitive to radiation is:
1. Matured erythrocyte
2. Neuron
3. Basal cells of oral mucosa
4. JG cells of kidney

Answer 1. Matured erythrocyte

Question 43. Multiple punched-out radiolucencies of the jaw are seen in:
1. Odontogenic myxoma
2. Multiple myeloma
3. SCC
4. Osteosarcoma

Answer 2. Multiple myeloma

Question 44. The clearing agent in the fier solution is:
1. Hydroquinone
2. Ammonium thiosulphate
3. Aluminum sulphate
4. Ammonium sulphate

Answer 2. Ammonium thiosulphate

Question 45. Which are not photons?
1. Ultrasound
2. Gamma ray
3. X-rays
4. None of the above

Answer 1. Ultrasound

Question 46. Extraoral projection of zygomatic fracture:
1. Water’s view
2. Submentovertex
3. Zimmer’s projection
4. Reverse Towne’s

Answer 2. Submentovertex

“How does CBCT feature in oral radiology multiple choice questions? FAQ explained”

Question 47. The optimal developing temperature in manual processing:
1. 60°F
2. 68°F
3. 70°F
4. 62°F

Answer 2. 68°F

Question 48. The quantity of X-rays produced is controlled by:
1. Kilovoltage
2. Milliampere
3. Exposure time
4. Angulation to cone

Answer 2. Milliampere

Oral Radiology Quiz Questions

Question 49. Normal appearance of sialogram of parotid gland is:
1. Tree in winter
2. Sausage link
3. Cheery Blossom
4. Snow storm

Answer 1. Tree in winter

Question 50. X-rays were discovered by:
1. Madam Marie Curie
2. WC Roentgen
3. EC Kelli
4. WC Price

Answer 2. WC Roentgen

Question 51. Collimation reduces:
1. Size of X-ray beam
2. Size of X-ray fim
3. Low energy photons
4. None

Answer 1. Sixe of x-ray beam

Question 52. Dark radiograph is caused by:
1. Increase developing time
2. Decrease exposure time
3. Decrease exposure parametres
4. None

Answer 1. Increase developing time

Question 53. CBCT is commonly used for:
1. Implant planning
2. Intra-articular disc
3. Parotid gland
4. Sof tissue pathology

Answer 1. Implant Planning

Question 54. Distance of safe light from working area:
1. 4 feet
2. 7 feet
3. 8 feet
4. 9 feet

Answer 1. 4 feet

Question 55. Size of an adult IOPA film:
1. 24 × 40 mm
2. 57 × 75 mm
3. 31 × 41 mm
4. 22 × 35 mm

Answer 3. 31 x 41 mm

“Early warning signs of issues addressed by oral radiology MCQs: Common questions”

Question 56. Most radiosensitive cells are:
1. Neuron
2. Acinar cells
3. Endothelial cells
4. Basal cells

Answer 4. Basal cells

Question 57. Filters are made up of:
1. Lead
2. Plastic
3. Aluminum
4. Copper

Answer 3. Aluminum

Question 58. Ball in hand appearance in sialography is seen in:
1. Parotitis
2. Benign tumor
3. Malignancy
4. Sialolithiasis

Answer 2. Benign tumor

Question 59. Generalized loss of lamina dura is seen in:
1. Anemia
2. Paget’s disease
3. Fibrous dysplasia
4. Hypothyroidism

Answer 4. Hypoparathyrodism

Question 60. Safe distance of the operator from patient during radiation exposure:
1. 6 feet
2. 9 feet
3. 4 feet
4. 12 feet

Answer 1. 6 feet

Question 61. Examples of electromagnetic radiation are the following except:
1. X-rays
2. Gamma rays
3. Infra-red radiation
4. Microwaves

Answer 2. Gamma rays

Question 62. Component parts of the tube head do not include:
1. Insulating oil
2. Extension arm
3. Metal housing
4. Tube head seal

Answer 2. Extension arm

CQ On Dental X-Ray Interpretation

Question 63. Ideally in the darkroom safe light must be placed from:
1. 2 feet
2. 4 feet
3. 6 feet
4. 8 feet

Answer 4. 8 feet

Question 64. The best way of detecting dental caries by:
1. IOPA
2. Panoramic
3. Occlusal
4. Bitewing

Answer 4. Bitewing

Question 65. Generalized loss of lamina dura is not seen in:
1. Leukemia
2. Hyperparathyroidism
3. Osteomalacia
4. Multiple myeloma

Answer 3. Osteomalacia

“Asymptomatic vs symptomatic effects of ignoring oral radiology MCQ preparation: Q&A”

Fill In The Blanks

Question 1. The process of converting an atom into ion is known as ……………

Answer. Ionization

Question 2. Multiple myeloma patient …………… eaten appearance on lateral skull radiograph.

Answer. Moth

Question 3. Determination of the quantity of radiation exposure or dose is known as ……………

Answer. Dosimetry

Question 4. The supernumerary tooth that is located in between maxillary central incisors is known as ……………

Answer. Mesiodens

Question 5. The three-dimensional curved zone in which the structures lying within are clearly demonstrated on panaromic radiograph is known as ……………

Answer. Topography

Question 6. The focal spot to film distance in cephalometric radiography is …………… feet.

Answer. 6

Question 7. Reflcting layer of intensifying screen is made up of……………

Answer. Titanium dioxide

Question 8. The intensity of X-ray photon at 1 meter is 4 KeV. The intensity will be…………… at 4 meter.

Answer. 16 KeV

Radiology Questions For Dental Exams

Question 9. The …………… appearance is characteristic radiographic feature of pleomorphic adenoma.

Answer. Ball in hand

Question 10. The …………… is most common source of radiation used in treatment of oral ulcer.

Answer. LASER

Question 11. State the formula for maximum accumulated dose……………

Answer. MAD=(N-18) X 5 rems/year Or MAD=(N-18) X 0.05 Sv/year

Question 12. X-rays were discovered in the year……………

Answer. 1895

Question 13. The overall blackness or darkness of dental radiography is termed as……………

Answer. Density

Question 14. Safe light must be placed a minimum of ………………… feet distance from the fim.

Answer. 4

Question 15. The optimum temperature for developer solution is ……………

Answer. 68°F

Question 16. Hypoxia, hypocellularity and hypovascularity of bone following irradiation leads to……………

Answer. Osteoradionecrosis

“Can targeted interventions improve outcomes using oral radiology MCQ study guides? Answer provided”

Question 17. The ideal radiograph to visualize the mediolateral expansion of a jaw is……………

Answer. Occlusal radiograph

Question 18. Onion-peel appearance in a radiograph is a typical feature of ……………

Answer. Chronic osteomyelitis, eosinophilic granuloma and Ewing’s sarcoma

Question 19. Fracture of the zygoma can be best visualized in a…………… view.

Answer. Submentovertex

Question 20. The image receptor used in an intraoral direct digital radiography is called……………

Answer. Solid state detectors, i.e. Charged, coupled device

Question 21. Restrainer used in developer solution is……………

Answer. Potassium or sodium bromide

Question 22. SI unit of absorbed dose is……………

Answer. Gray

Question 23. The intensity of X-ray photon at 1 meter is 4KeV. The intensity at 4 meter will be……………

Answer. 16 KeV

Question 24. Wattge of safe light bulb used in dark room is……………

Answer. 15 Wat

Question 25. XCP instruments are used in……………

Answer. Film or sensor holding

Question 26. Least sensitive cell for radiation……………………..

Answer. Fixed post-mitotic cells

Question 27. Radiographic appearance of osteosarcoma is …………………….

Answer. Sunburst appearance

Question 28. Most radiosensitive cell to radiation are of ……………………glands.

Answer. Salivary

Question 29. The basic purpose of using intensifying screens is to …………………….

Answer. Intensify the effct of the X-ray photon by producing a larger number of light photons. It decreases the mAs required to produce a particular density, and hence decreases the patient dose signifiantly.

Question 30. Localization of object is done by…………………… technique.

Answer. Tube shif

Question 31. Cyst associated with impacted tooth is ……………………….cyst.

Answer. Dentigerous cyst

Question 32. Honey-comb/Soap-bubble radiographic appearance commonly seen with benign tumor………………….

Answer. Hemangioma

Question 33. Tennis-racquet-like radiographic appearance is seen with……………….

Answer. Odontogenic myxoma

Question 34. Primary indication of bitewing radiograph is to diagnose………………..

Answer. Early inter – proximal carious lesions

Question 35. Charge-coupled device (CCD) sensor is used in………………….

Answer. Intraoral imaging

“Differential applications of theoretical vs clinical MCQs: Questions answered”

Question 36. Pear shaped radiolucency in anterior maxilla with splaying apart roots is suggestive of………………………

Answer. Globulomaxillary cyst

Question 37. Dentigerous cyst transformed to most common tumor is……………..

Answer. Ameloblastoma

Question 38. Most common radiographic technique used for submandibular sialolithiasis is………………..

Answer. Sialography

Question 39. Sequestration in chronic osteomyelitis is …………………….

Answer. Infected dead bone

Question 40. Generalized loss of lamina dura with increased calcium serum and alkaline phosphatase is seen in ………………….

Answer. Hyperparathyroidism

Radiology Questions For Dental Exams

Question 41. Radiographic features seen in Garre’s osteomyelitis is……………..appearance.

Answer. Onion skin

Question 42. Copper beaten appearance is seen in………………… syndrome

Answer. Apert syndrome and Crouzon syndrome

Question 43. ………………..radiograph is best for diagnosing periapical cyst.

Answer. IOPA

Question 44. ………………….fiters are used in safe lights in dark room.

Answer. GBX-2 safelight

Question 45. Disc of TMJ is best visualized in………………….. imaging modality.

Answer. MRI

Question 46. The collimator is made up of……………………

Answer. Lead

Question 47. The hardening agent in the fixer solution is…………………….

Answer. Potassium alum

Question 48. The radiolucent mark in the periapical region of lower central incisor is………………

Answer. Lingual foramen

Question 49. In digital radiography, the image receptor is called………………..

Answer. Image sensors

Question 50. Sec ondary infection of irradiated bone is called…………………

Answer. Osteoradionecrosis

Additional Information

“Steps to apply oral radiology MCQ knowledge in clinical practice: Q&A guide”

Radio sensitivity of Various Organs

Harmful Whole Body Exposure Values

Susceptibility of Various organs to Radiation-induced Cancer

“Role of oral radiology MCQs in diagnosing dental pathologies: Questions answered”

Various cell division Phases and their Sensitivity

M phase and Late G2 phase and G2M interphase (premitosis or RNA synthesis) are most sensitive

Early S and G1 phase are intermediately sensitive

S phase is least sensitive

Various Maximum Permissible Dose per Year

Enumeration of Various things and Factors Which Decreases Patient Radiation Exposure

• E-speed fims
• Intensifying screens
• Collimation
• Filtration
• Lead aprons
• Thyroid collars
• Increasing focal spot to fim distance
• Increasing KVp and optimal exposure time

Radiation dose by NCRP (national council on Radiation Protection)

• Occupational dose is 50 mSV annually and 10 mSV in a year
• Non – occupational dose is 5 mSV annual effctive dose limit for infrequent exposure or 1 mSV annual dose for continuous exposure.

Radiation dose by ICRP (international commission of Radiation Protection)

• Occupational dose is 50 mSV annually and 100 mSV in 5 year cumulative effctive dose limit.
• Non occupational dose is 1 mSV annually, if higher not to exceed annual average of 1 mSV over 5 years.

Various conditions and their Effects on Radiograph

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Various Thyroid Doses

Various Types of X-ray Radiation

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Various Quantities their Units and Importance

Radiology Questions For Dental Exams

According to FINN, Number of Radiographs Required According to Age

Various Angulations for Bisecting Angle Projections

“Differential applications of pediatric vs adult cases: Q&A”

Various Views for Various Structures

Various Features of Sialogram and Associated Disease

Various characteristic Radiologic Features and Their Diagnosis

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Various Pericoronal Radiolucencies

• Dentigerous cyst
• Pericoronal space
• Ameloblastoma
• Unicystic ameloblastoma
• Calcifying odontogenic cyst
• Ameloblastic firoma
• Adenomatoid odontogenic tumor
• Developmental primordial cyst

Various Periapical Radiolucency

• Acute apical periodontitis
• Benign and malignant tumor including secondary metastatic deposit
• Periapical abscess
• Periapical granuloma
• Periapical cyst
• Dentigerous cyst
• Periapical scar
• Osteomyelitis
• Giant cell granuloma
• Lymphoreticular tumors of bone
• Langerhans cell disease
• Periapical cemental dysplasia
• Surgical defect

“Role of counseling in clarifying oral radiology goals for patients: Questions answered”

Various Monolocular Radiolucency

• Radicular cyst
• Residual cyst
• Dentigerous cyst
• Simple bone cyst
• Lateral periodontal cyst
• Nasopalatine duct cyst
• Adenomatoid odontogenic tumor
• Calcifying epithelial odontogenic tumor
• Primary bone tumors
• Multiple myeloma
• Eosinophilic granuloma
• Stafne’s bone cyst
• Fibrocementoosseous lesion

Various Multilocular Radiolucency

• Keratocystic odontogenic tumor
• Ameloblastoma
• Ameloblastic firoma
• Ameloblastic firo odontoma
• Odontogenic myxoma
• Central giant cell granuloma
• Cherubism
• Aneurysmal bone cyst
• Metastatic tumor of jaw
• Calcifying epithelial odontogenic tumor
• Burkitts lymphoma
• Fibrous dysplasia
• Squamous odontogenic tumor

Lesions consisting of Loss of Lamina dura

• Normal anatomical variation
• Periapical infections
• Paget’s disease
• Fibrous dysplasia
• Osteoporosis
• Hyperparathyroidism
• Leukemia
• Osteomalacia
• Multiple myeloma
• Osteomalacia
• Hypophosphatasia
• Cushing’s syndrome

Generalized Rarefaction of Jaws

• Hyperparathyroidism
• Osteoporosis
• Osteogenesis imperfecta
• Hypervitaminosis D
• Diabetes
• Osteomalacia
• Leukemia

“Early warning signs of knowledge gaps in patient understanding of oral radiology: Common questions”

Periapical Radiopacities

• True
  • Foreign bodies
  • Hypercementosis
  • Periapical idiopathic osteosclerosis
  • Condensing osteitis
  • Mature periapical cementoma
• Projected
  • Retained root tip
  • Sialoliths
  • Phleboliths
  • Tori
  • Periapical osteoma
  • Arterial calcifications

Campbell’s Line

These lines are drawn on occipitomental radiograph to interfere with maxillofacial trauma. These are basically the fie lines to have an orientation of bone after trauma

“Asymptomatic vs symptomatic effects of poor communication about oral radiology: Answered”

Various doses of Radiation and their Manifestations

Various sinuses and their Views