DENTAL RADIOLOGY EVALUATION EXAM 2026/2027
QUESTIONS AND SOLUTIONS RATED A+
✔✔Anatomical Landmarks - ✔✔Those normal structures and areas which appear in a
routine series of radiographs
✔✔Radiolucent - ✔✔Black; dark gray
✔✔Radiopaque - ✔✔White; light gray
✔✔Enamel - ✔✔Most dense structure in human body; radiopaque; can see
✔✔Dentin - ✔✔Internal portion of tooth; radiopaque; less dense than enamel; cannot
see
✔✔Cementium - ✔✔Cannot see; less dense than dentin
✔✔Pulp - ✔✔Radiolucent; can see; composed of nerves and blood vessels
✔✔Cortical Bone - ✔✔Radiopaque; immediately surrounds and supports teeth.
✔✔Cancellanious Bone - ✔✔Appears less radiopaque than cortical bone; less dense
✔✔Alveolar Bone - ✔✔Radiopaque; composed of cortical and cancellanious bone; part
of bone where tooth eruption occurs
✔✔Periodontal Ligament - ✔✔Radiolucent line; between tooth and cortical bone (lamina
dura)
✔✔Nutrient Canals - ✔✔Radiolucent lines in bone; contains blood vessels and exhibit
radiopaque borders
✔✔Incisive Canal Foramen/ Anterior Palatine Foramen - ✔✔Radiolucent; Oval shaped
between the apices of the central incisors
✔✔Median Palatine Suture - ✔✔Radiolucent; extends posteriorly through the midline of
the palate
✔✔Nasal Fossae - ✔✔2 radiolucent areas in upper portion of radiograph; air spaces
✔✔Nasal Septum - ✔✔radiopaque; between the nasal fossae
✔✔Maxillary Sinus - ✔✔Airspace above bicuspids
QUESTIONS AND SOLUTIONS RATED A+
✔✔Anatomical Landmarks - ✔✔Those normal structures and areas which appear in a
routine series of radiographs
✔✔Radiolucent - ✔✔Black; dark gray
✔✔Radiopaque - ✔✔White; light gray
✔✔Enamel - ✔✔Most dense structure in human body; radiopaque; can see
✔✔Dentin - ✔✔Internal portion of tooth; radiopaque; less dense than enamel; cannot
see
✔✔Cementium - ✔✔Cannot see; less dense than dentin
✔✔Pulp - ✔✔Radiolucent; can see; composed of nerves and blood vessels
✔✔Cortical Bone - ✔✔Radiopaque; immediately surrounds and supports teeth.
✔✔Cancellanious Bone - ✔✔Appears less radiopaque than cortical bone; less dense
✔✔Alveolar Bone - ✔✔Radiopaque; composed of cortical and cancellanious bone; part
of bone where tooth eruption occurs
✔✔Periodontal Ligament - ✔✔Radiolucent line; between tooth and cortical bone (lamina
dura)
✔✔Nutrient Canals - ✔✔Radiolucent lines in bone; contains blood vessels and exhibit
radiopaque borders
✔✔Incisive Canal Foramen/ Anterior Palatine Foramen - ✔✔Radiolucent; Oval shaped
between the apices of the central incisors
✔✔Median Palatine Suture - ✔✔Radiolucent; extends posteriorly through the midline of
the palate
✔✔Nasal Fossae - ✔✔2 radiolucent areas in upper portion of radiograph; air spaces
✔✔Nasal Septum - ✔✔radiopaque; between the nasal fossae
✔✔Maxillary Sinus - ✔✔Airspace above bicuspids
