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Related Concept Videos

Stability of structures01:14

Stability of structures

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In mechanical engineering, the stability of systems under various forces is critical for designing durable and efficient structures. One fundamental way to explore these concepts is by analyzing systems like two rods connected at a pivot point, O, with a torsional spring of spring constant k at the pivot point. This system is similar in appearance to a scissor jack used to change tires on a car. In this case, the arms of the linkage (equivalent to the rods in this system) are entirely vertical,...
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Support Reactions01:30

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A coplanar force system refers to a set of forces that all lie in the same plane and are subject to different reactions between the point of contact and the supports. Understanding how different types of supports affect coplanar forces is crucial for designing safe and reliable structures that can withstand external loads.
The purpose of the supports is to prevent the translational motion of the system by applying an equal and opposite force and to prevent the system's rotation by applying...
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Support Reactions in Three Dimensions01:27

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Support reactions in three dimensions help maintain the stability and equilibrium of various structures and systems. These reactions prevent the system from translating and rotating, ensuring the design can withstand external forces and perform its intended function efficiently and safely. Some of the supports providing support reactions in three dimensions are discussed below:
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Post-tensioned masonry walls use high-strength steel rods or flexible tendons to enhance the strength and efficiency of masonry structures. These elements are securely anchored to the foundation and extend vertically either within the cores of the masonry units or between the masonry wythes. The construction process involves building the wall with these tensioning elements in place and allowing the mortar to fully cure.
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Euler's Formula to Columns: Problem Solving01:23

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Euler's formula is used in structural engineering to determine the buckling load of columns under various conditions. However, when dealing with systems that incorporate both rigid elements and elastic components, such as springs, the analysis requires a finer approach to determine the critical load. The problem described involves two rigid bars connected at a pivot point with a spring attached and a vertical load applied at one end.
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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.
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Related Experiment Video

Updated: May 4, 2026

Author Spotlight: Insights into an Efficient Murine Maxillary Orthodontic Model Protocol
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Stabilising springs for fixed lingual retainer.

M K Karthikeyan1, Ramachandraprabhakar2, R Saravanan3

  • 1Professor, Department of Orthodontics, Thai Moogambigai Dental College , Chennai- 600107, India .

Journal of Clinical and Diagnostic Research : JCDR
|January 7, 2014
PubMed
Summary

A novel stabilizing spring simplifies the use of fixed lingual retainers for malocclusion treatment. This innovation ensures precise retainer placement, reduces chair time, and enhances patient comfort.

Keywords:
Fixed Lingual RetainerRelapseStabilising spring

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Area of Science:

  • Orthodontics
  • Dental Materials Science

Background:

  • Fixed lingual retainers are essential for maintaining malocclusion treatment outcomes.
  • Effective stabilization of these retainers is crucial for long-term success.
  • Current methods for retainer stabilization may present challenges in terms of ease of use and patient comfort.

Purpose of the Study:

  • To introduce and evaluate a novel stabilizing spring for fixed lingual retainers.
  • To assess the spring's efficacy in ensuring precise retainer placement and stability.
  • To determine the clinical benefits, including fabrication ease, chairside time efficiency, and patient comfort.

Main Methods:

  • Development of a new spring design for stabilizing fixed lingual retainers.
  • Clinical evaluation of the spring's ease of fabrication and insertion/removal.
  • Assessment of the spring's ability to maintain retainer position and patient mucosal tolerance.

Main Results:

  • The novel stabilizing spring facilitates accurate and rapid placement of fixed lingual retainers.
  • Fabrication and chairside application of the spring are efficient, saving valuable clinical time.
  • The design minimizes mucosal irritation and allows for easy insertion and removal, improving patient experience.

Conclusions:

  • The developed stabilizing spring offers a practical and efficient solution for securing fixed lingual retainers.
  • This innovation addresses key clinical needs for improved retainer stability and patient comfort.
  • The spring has the potential to enhance the overall effectiveness and patient acceptance of lingual retention therapy.