RHS Exam Prep (2026) UPDATED ACTUAL
Questions and CORRECT Answers
Zygoma cheekbone; raidopaque
Bone projecting from anterior of mandible;
coronoid process
raidopaque
Zygomatic process of A bony prominence that makes up a portion of the
maxilla cheekbone; J or U shaped; radiopaque
A rounded prominence of bone on the alveolar ridge;
maxillary tuberosity blood vessels and nerves for the maxilla enter
through this; radiopaque
External oblique Linear prominence of bone on the external aspect of
ridge/line the mandible; radiopaque
Two openings in the bone on the external mandible
Mental foramen through; blood vessels and nerves enter and supply
to lower lip; small, round, radiolucent
upper aspect of the body of the mandible;
alveolar process
radiopaque
bony ridge that contains the alveoli (tooth sockets);
alveolar ridge
radiopaque
Linear prominence of bone on the external surface of
Mental process or ridge the anterior mandible that extends from the premolar
region; radiopaque
Nasal septum (vomer Bone structure that divides the left/right of the nasal
bone) cavity; radiopaque
, Two large depressions of bone located above maxilla
Nasal fossa (cavity)
and divided by the nasal septum; radiolucent
a triangular projection from the floor of the nasal
anterior nasal spine fossa, located at junction of fossa and septum;
radiopaque
slightly concave area in bone located below and
Lateral fossa/canine fossa between the maxillary lateral incisors and maxillary
canine; radiolucent
Depressed area of bone on the external surface of
Mental fossa
the mandible; radiolucent
Small, hook shaped portion of bone extending from
Hamulus/Humular process sphenoid bone down and located behind maxillary
tuberosity region; radiopaque
Line of fusion between the palatine processes of the
Median palatal suture right and left maxilla; radiolucent; between roots of
maxillary incisors
Pear shaped opening in bone located at midline of
anterior hard palate behind central incisors;
Incisive foramen
nasopalatine nerve and vessels exit the maxilla from
the foramen; radiolucent
Linear prominence of bone on the internal aspect of
the mandible; mylohyoid muscle attaches to ridge
Mylohyoid ridge
which extends from lower border of mandibular
symphysis; raidopaque
Depression in the bone on the lingual side of the
mandible in which the submandibular salivary glands
Submandibular fossa
are located; large radiolucent area below roots of
mandibular molars
Small opening located in the midline of internal
Lingual foramen aspect of mandible through which a branch of the
incisive artery travels; radiolucent dot
Questions and CORRECT Answers
Zygoma cheekbone; raidopaque
Bone projecting from anterior of mandible;
coronoid process
raidopaque
Zygomatic process of A bony prominence that makes up a portion of the
maxilla cheekbone; J or U shaped; radiopaque
A rounded prominence of bone on the alveolar ridge;
maxillary tuberosity blood vessels and nerves for the maxilla enter
through this; radiopaque
External oblique Linear prominence of bone on the external aspect of
ridge/line the mandible; radiopaque
Two openings in the bone on the external mandible
Mental foramen through; blood vessels and nerves enter and supply
to lower lip; small, round, radiolucent
upper aspect of the body of the mandible;
alveolar process
radiopaque
bony ridge that contains the alveoli (tooth sockets);
alveolar ridge
radiopaque
Linear prominence of bone on the external surface of
Mental process or ridge the anterior mandible that extends from the premolar
region; radiopaque
Nasal septum (vomer Bone structure that divides the left/right of the nasal
bone) cavity; radiopaque
, Two large depressions of bone located above maxilla
Nasal fossa (cavity)
and divided by the nasal septum; radiolucent
a triangular projection from the floor of the nasal
anterior nasal spine fossa, located at junction of fossa and septum;
radiopaque
slightly concave area in bone located below and
Lateral fossa/canine fossa between the maxillary lateral incisors and maxillary
canine; radiolucent
Depressed area of bone on the external surface of
Mental fossa
the mandible; radiolucent
Small, hook shaped portion of bone extending from
Hamulus/Humular process sphenoid bone down and located behind maxillary
tuberosity region; radiopaque
Line of fusion between the palatine processes of the
Median palatal suture right and left maxilla; radiolucent; between roots of
maxillary incisors
Pear shaped opening in bone located at midline of
anterior hard palate behind central incisors;
Incisive foramen
nasopalatine nerve and vessels exit the maxilla from
the foramen; radiolucent
Linear prominence of bone on the internal aspect of
the mandible; mylohyoid muscle attaches to ridge
Mylohyoid ridge
which extends from lower border of mandibular
symphysis; raidopaque
Depression in the bone on the lingual side of the
mandible in which the submandibular salivary glands
Submandibular fossa
are located; large radiolucent area below roots of
mandibular molars
Small opening located in the midline of internal
Lingual foramen aspect of mandible through which a branch of the
incisive artery travels; radiolucent dot
