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Hinge mechanics and TPA mechanics to close spaces
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Marino Musilli
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1h 31min
Lesson
Hinge mechanics and TPA mechanics to close spaces
Marino Musilli0:01
Introduction and Injumechanics Overview
5:57
Hinge Mechanics: Door Analogy and Bisecting‑Line Rule
12:28
Force Calculation: Lever Model and Equilibrium
15:52
Characteristics of Hinge Mechanics & Statically Determinate Systems
24:56
Clinical Case — Dental Movement with Bone (Premolar Distalization)
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1h 31min
1.5 CE Credits

English
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Lesson program
– Biomechanics of space closure
– Hinge mechanics: definition
– How to calculate the hinge position
– How to calculate the amount of the force delivered on the tooth from the appliance
– Transpalatal arch (TPA): indications for use
– Protocols for the use of transpalatal arches and modifications
– Difficulties in working with transpalatal arches
– Springs: manufacturing method in the clinic
– Combined use of microimplants and transpalatal arch
– Protocol for molar mesialization
– Analysis of complex clinical cases of space closure in adult patients.
Recommended for: Orthodontists, General dentists.

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