Key Anatomical Landmarks of Edentulous Arches (plus a little more)
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Lecture given on 8/13/2025
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63 Terms
what structure is labeled A?
cameo surface
what structure is labeled B?
intaglio surface
what structures are labeled C and G?
border
what structure is labeled D?
buccal flange
what structure is labeled E?
labial flange
what structure is labeled F?
teeth
What structure is labeled A?
retromolar pad
What structure is labeled B?
alveololingual sulcus
What structure is labeled C?
buccal shelf
What structure is labeled D?
residual ridge
What structure is labeled E?
lingual frenum
What structure is labeled F?
labial frenum
What structure is labeled G?
labial vestibule
What structure is labeled H?
buccal vestibule
What structure is labeled I?
buccal frenum
what is the primary stress bearing area on an edentulous mandible?
buccal shelf
what is the secondary stress bearing area on an edentulous mandible?
residual ridge
What structure is labeled A?
buccal vestibule
What structure is labeled B?
labial vestibule
What structure is labeled C?
labial frenum
What structure is labeled D?
incisive papilla
What structure is labeled E?
rugae
What structure is labeled F?
buccal frenum
What structure is labeled G?
residual ridge
What structure is labeled H?
vibrating line
What structure is labeled I?
medial palatine raphe
What structure is labeled J?
hamular notch
What structure is labeled K?
maxillary tuberosity
what are the primary stress bearing areas on an edentulous maxilla?
palate, residual ridge
what are the secondary stress bearing areas on an edentulous maxilla?
maxillary tuberosity, rugae
What structure is labeled with a yellow arrow?
labial frenum
what structure is circled in blue?
lingual frenum
what structure is circled in black (salmon colored U shape)?
residual ridge
what structure is highlighted in green?
buccal shelf
what structure is highlighted in light blue?
buccal vestibule
what structure is marked by the yellow lines?
buccal frenum
what structure is highlighted in blue?
retromylohyoid space
what structure is circled in black and highlighted in salmon?
residual ridge
what structure is circled in black and has a black dot?
retromolar pad
what structure is outlined in green?
pterygomandibular raphe
what structure are the black arrows pointing to?
fovea palatini
what structure is demonstrated by the white line?
vibrating line
what structure is demonstrated by the pink line?
hard-soft palate junction
what structure is demonstrated by the green highlight?
posterior palatal seal
what structure is outlined in yellow?
hamular notch
what structure is circled in black and highlighted in salmon?
residual ridge
what structure is highlighted in yellow?
maxillary tuberosity
what structure is highlighted in blue?
maxillary rugae
what structure is shaded in gray?
hard palate
what structure is shaded in green?
soft palate
what structure is circled in yellow?
midpalatine suture or raphe
what structure is circled in blue?
incisive papilla
what structure is shaded in green?
incisive papilla
what structure is shaded in orange?
buccal vesibule
what structure is indicated by the green lines?
buccal frenum
what structure is shaded in blue?
labial vestibule
what structure is indicated by the yellow line?
labial frenum
why would it be extremely uncomfortable for a maxillary denture to press on the incisive papilla?
that is where the nasopalatine nerve is located
what happens to the maxilla when a patient becomes edentulous?
the arch becomes narrower
what happens to the mandible when a patient becomes edentulous?
the arch becomes wider
in which direction does anterior alveolar ridge resorption occur in edentulous patients?
lingually
where does anterior bone resorption occur faster: maxillary anterior bone or mandibular anterior bone?
mandibular anterior bone (can be up to 4x faster than maxilla)