Questions
A “shortened dental arch” is defined as:
q a. An arch from canine to canine;
q b. An arch missing molar teeth;
q c. The presence of two bilateral pairs of occlusal contacts (premolar occlusion);
q d. The presence of 10 teeth per arch contacting each other.
Immediate bony reconstruction of a posterior segmental mandibular resection, without
replacement of the lost teeth, leads to:
q a. Supra-eruption of the unopposed molars;
q b. No supra-eruption of the unopposed molars;
q c. Earlier loss of remaining teeth due to increased wear;
q d. Bilateral increase of the curve of Spee.
Which is not a possible adverse outcome of a shortened dental arch?
Do posterior teeth supra-erupt when opposite resected segments have not been
prosthetically restored?
q a. Bruxism;
q b. Increased wear of the remaining anterior teeth;
q c. Interdental spacing in the premolar area;
q d. Temporo-mandibular-joint overload.
After ablative surgery with immediate bony reconstruction, supra-eruption of unopposed
teeth is avoided because of:
q a. Old age;
q b. Follow-up visits;
q c. Tongue interposition;
q d. Absence of any tooth filling.
Stomatology Edu Journal
67