DENTAL RADIOLOGY EXAMS SCRIPT 2026/2027
QUESTIONS AND SOLUTIONS RATED A+
✔✔Shorter arrow: Inferior Meatus
Appears radiolucent (air filled spaces)
Longer arrow: Middle meatus - ✔✔
✔✔Walls of Maxillary Sinus - ✔✔
✔✔Zygomatic Process of Maxilla
seen as U, V, or J shaped entity. THICK walls compared to sinus. Located in maxillary
2nd molar area - ✔✔
✔✔Zygomatic Bone / Arch - ✔✔
✔✔Pterygomaxillary Fissure
Upside down tear drop shape behind maxillary sinuses. - ✔✔
✔✔Pterygopalatine Fossa - ✔✔
✔✔Orbital Rim
Curved radiopaque line superior to maxillary sinus - ✔✔
✔✔Floor of Nose = Hard Palate - ✔✔
✔✔Hard Palate on the Left
Soft Palate on the Right - ✔✔
✔✔Soft Tissue of the Tongue
Radiolucent line bw the palates and the tongue can be best seen curving down over
max molar. - ✔✔
✔✔External Auditory Meatus
Radiolucent entities located posterior to condyle. - ✔✔
✔✔Soft Tissue of the Ear
Posterior to the mandibular condyle and inferior to the ext auditory meatus. - ✔✔
✔✔Stylohyoid Ligament - ✔✔
✔✔Hyoid Bone - ✔✔Identify the radiopaque object seen below the mandible on these
images
, ✔✔Vertebral Column
May appear both laterally and in the ant part of the image. - ✔✔
✔✔Ghost Images
(NOT ON LIST) - ✔✔
✔✔Mastoid Air Cells
Superimposed in condylar region (ant/post to condyles)
Small radiolucent soap bubble air filled cavities - ✔✔
✔✔Top arrow: Styloid Process of Temporal Bone
Bottom Arrow: Stylohyoid Ligament - ✔✔
✔✔1) Localize the abnormality
2) Assess the periphery and shape
3) Analyze the internal structures
4) Analyze the effect of the lesion on the surrounding structures - ✔✔Systematic
Radiographic Examination Steps
✔✔Proximal Caries Lesions - ✔✔
✔✔Occlusal Caries Lesions - ✔✔
✔✔Mach Band
Sharp defined density difference such as between enamel and dentin. - ✔✔
✔✔Root Caries Lesion - ✔✔
✔✔Restoration (D and M of 9) vs Lesion (D of 10) - ✔✔
✔✔Recurrent Caries - ✔✔Blue Arrow!?
✔✔Horizontal Bone Loss - ✔✔
✔✔Vertical Bone Loss - ✔✔
✔✔Calculus - ✔✔
✔✔Furcation Involvement - ✔✔
✔✔Crown To Root Ratio - ✔✔
QUESTIONS AND SOLUTIONS RATED A+
✔✔Shorter arrow: Inferior Meatus
Appears radiolucent (air filled spaces)
Longer arrow: Middle meatus - ✔✔
✔✔Walls of Maxillary Sinus - ✔✔
✔✔Zygomatic Process of Maxilla
seen as U, V, or J shaped entity. THICK walls compared to sinus. Located in maxillary
2nd molar area - ✔✔
✔✔Zygomatic Bone / Arch - ✔✔
✔✔Pterygomaxillary Fissure
Upside down tear drop shape behind maxillary sinuses. - ✔✔
✔✔Pterygopalatine Fossa - ✔✔
✔✔Orbital Rim
Curved radiopaque line superior to maxillary sinus - ✔✔
✔✔Floor of Nose = Hard Palate - ✔✔
✔✔Hard Palate on the Left
Soft Palate on the Right - ✔✔
✔✔Soft Tissue of the Tongue
Radiolucent line bw the palates and the tongue can be best seen curving down over
max molar. - ✔✔
✔✔External Auditory Meatus
Radiolucent entities located posterior to condyle. - ✔✔
✔✔Soft Tissue of the Ear
Posterior to the mandibular condyle and inferior to the ext auditory meatus. - ✔✔
✔✔Stylohyoid Ligament - ✔✔
✔✔Hyoid Bone - ✔✔Identify the radiopaque object seen below the mandible on these
images
, ✔✔Vertebral Column
May appear both laterally and in the ant part of the image. - ✔✔
✔✔Ghost Images
(NOT ON LIST) - ✔✔
✔✔Mastoid Air Cells
Superimposed in condylar region (ant/post to condyles)
Small radiolucent soap bubble air filled cavities - ✔✔
✔✔Top arrow: Styloid Process of Temporal Bone
Bottom Arrow: Stylohyoid Ligament - ✔✔
✔✔1) Localize the abnormality
2) Assess the periphery and shape
3) Analyze the internal structures
4) Analyze the effect of the lesion on the surrounding structures - ✔✔Systematic
Radiographic Examination Steps
✔✔Proximal Caries Lesions - ✔✔
✔✔Occlusal Caries Lesions - ✔✔
✔✔Mach Band
Sharp defined density difference such as between enamel and dentin. - ✔✔
✔✔Root Caries Lesion - ✔✔
✔✔Restoration (D and M of 9) vs Lesion (D of 10) - ✔✔
✔✔Recurrent Caries - ✔✔Blue Arrow!?
✔✔Horizontal Bone Loss - ✔✔
✔✔Vertical Bone Loss - ✔✔
✔✔Calculus - ✔✔
✔✔Furcation Involvement - ✔✔
✔✔Crown To Root Ratio - ✔✔
