Related Experiment Video
Updated: Jun 28, 2026
04:11
The Establishment of a Murine Maxillary Orthodontic Model
Published on: October 27, 2023
Using mini-screws for orthodontic anchorage
1International Asociation for Orthodontics, USA.
International Journal of Orthodontics (Milwaukee, Wis.)
|November 5, 2008
Abstract:
A history of implants used for orthodontic anchorage is given. Sizes and head designs of implants and guidelines for their placement are listed. Clinical cases are shown so that practitioners can visualize how implants can be used to improve their orthodontics.
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01:16Self-Locking Screw
A square-threaded screw jack is a mechanical device widely used for lifting heavy loads or applying considerable force. One of the key features that can make a screw jack more effective and reliable is its self-locking capability.
A square-threaded screw jack carrying a load is considered self-locking if the screw retains its position even after the moment applied to it is removed.
A square-threaded screw jack carrying a load is considered self-locking if the screw retains its position even after the moment applied to it is removed.
01:17Frictional Forces on Screws
Screws are characterized by a helical ridge known as a thread wrapped around a cylindrical shaft. They are commonly used as fasteners to hold objects together or to transmit power and motion in machines. One type of screw that is particularly useful for transmitting power is the square-threaded screw.
A jack with a square-threaded screw is a mechanical device used to lift heavy loads by applying a force at its handle. When the force is applied, the screw turns, raising the load. The screw can...
A jack with a square-threaded screw is a mechanical device used to lift heavy loads by applying a force at its handle. When the force is applied, the screw turns, raising the load. The screw can...