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12 resources
Learners & clinicians · Foundations & reference
An archwire doesn't move a tooth directly — it moves the periodontal ligament, and the ligament tells the bone what to do. This chapter follows that chain: from the fibrous tissue holding a tooth in its socket, to the pressure and tension it feels under load, to the cells and molecular signal that turn "squeezed" into "resorbed" and "stretched" into "built."
Learners & clinicians · Foundations & reference
Force systems, centers of resistance, anchorage, wire mechanics, and loop mechanics.
Learners & clinicians · Applied mechanics
Intrude the occlusally displaced mandibular right canine 43 while identifying the initial force, moment, and reciprocal response on each connected tooth.
Learners & clinicians · Applied mechanics
Move the crown first while keeping the initial tipping response controlled.
Learners & clinicians · Applied mechanics
Move crown and root together initially instead of accepting a crown-first response.
Learners & clinicians · Applied mechanics
Increase root control until the root leads the initial response.
Learners & clinicians · Applied mechanics
Reverse the direction of translation without losing the signed force-and-couple relationship.
Clinicians & researchers · Applied mechanics
Choose activation and inspect the molar counter-moment, reciprocal force, and tube-friction effect.
Clinicians & researchers · Applied mechanics
Build the force and counter-couple, then inspect the intended response and reciprocal load in 3D.
Clinicians & researchers · Applied mechanics
Displace a tooth, engage a wire, and inspect the initial load delivered across the arch.
Clinicians & researchers · Applied mechanics
Compose wires, elastics, and skeletal anchorage, then attribute the superposed response tooth by tooth.
Learners & clinicians · Professional study
Force Systems questions for study and self-testing. Coverage is selective; sources are shown with the answers.
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