Tooth Displacement
Tooth Displacement - Related Videos
07:09
In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint
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Cited by 17 •
2014
In this study, the use of an in situ loading device coupled with micro-X-ray computed tomography for fibrous joint biomechanics will be discussed. Experimental readouts identifiable with an overall change in joint biomechanics will include: 1) reactionary force vs. displacement, i.e. tooth displacement within the alveolar socket and its reactionary response to loading, 2) three-dimensional (3D) spatial configuration and morphometrics, i.e. geometric relationship of the tooth with the alveolar...
01:31
Position and Displacement
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2023
The position of an object defines its location relative to a convenient frame of reference at any particular time. A frame of reference is an arbitrary set of axes from which the position and motion of an object are described. Earth is often used as a frame of reference, and we often describe the position of an object as it relates to stationary objects on Earth. For example, a rocket launch could be described in terms of the position of the rocket with respect to Earth as a whole. On the other...
01:31
Position and Displacement
0 Views •
2023
The position of an object defines its location relative to a convenient frame of reference at any particular time. A frame of reference is an arbitrary set of axes from which the position and motion of an object are described. Earth is often used as a frame of reference, and we often describe the position of an object as it relates to stationary objects on Earth. For example, a rocket launch could be described in terms of the position of the rocket with respect to Earth as a whole. On the other...
01:19
Displacement Current
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2026
Ampère's law, in its usual form, does not work in places where the current changes with time and is not steady. Thus, Maxwell suggested including an additional contribution, called the displacement current, Id, to the real conduction current I. where the displacement current is defined to be Here, ε0 is the permittivity of free space, and ΦE is the electric flux. The displacement current is an extra term in Maxwell's equations that is analogous to a real current in Ampère's law. However, it...
02:57
Analyzing Tooth Germ and Trigeminal Ganglia Interactions Using a Microfluidic Co-culture System
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2025
This video demonstrates the utilization of a microfluidic device to study the interactions between tooth germ pulp and trigeminal ganglia. It showcases the placement of tissues inside the microfluidic device and provides a detailed visualization of trigeminal neurite growth toward the tooth germ through the device's microgrooves. Additionally, it highlights the role of tooth-derived molecular factors in promoting or inhibiting neurite extension into the tooth germ pulp, which is crucial for...
FAQs
Force magnitude and direction determine how mechanical loading is distributed around the tooth and periodontal ligament. These variables influence where pressure and tension develop, which in turn affects local blood flow and signaling. In orthodontic design and treatment planning, controlling both factors helps guide movement while reducing the likelihood of excessive loading and supporting-tissue damage.
The periodontal ligament acts as the key interface linking applied mechanical force to biological remodeling. Loading creates regions of pressure and tension within this tissue, producing changes in local blood flow and signaling pathways. Those responses communicate mechanical conditions to surrounding alveolar bone, enabling coordinated resorption and deposition rather than movement through force alone.
Movement requires coordinated remodeling on different sides of the tooth. Bone resorption removes supporting bone where space is needed, while bone deposition adds bone on the opposite side as the tooth shifts. This coupling allows displacement within the alveolar bone and provides a biological basis for designing forces that produce a planned direction of movement.
The same mechanical and biological responses that enable movement can also produce unwanted effects when loading is not appropriately controlled. The overview identifies root resorption and damage to supporting tissues as important risks. Assessing force magnitude, direction, and the resulting tissue response therefore remains essential when evaluating orthodontic strategies and treatment plans.
Computational models represent the relationship among applied forces, periodontal-ligament responses, and alveolar-bone remodeling. By examining how changes in force magnitude or direction affect these linked processes, researchers can analyze movement patterns before applying a design or treatment approach. Such models support bioengineering studies, appliance development, and more informed treatment planning.
Orthodontic appliances must apply forces that produce useful pressure and tension patterns around a tooth while limiting adverse tissue responses. Knowledge of bone resorption, bone deposition, and force-dependent signaling helps engineers connect appliance design with the intended movement. This bioengineering perspective supports efforts to optimize appliance behavior and reduce risks to roots and supporting tissues.
Tissue-engineering strategies can use tooth displacement as a model of how mechanical loading interacts with living dental tissues. The coupled response of the periodontal ligament and alveolar bone highlights the importance of coordinating force, signaling, and tissue remodeling. Studying these relationships can guide bioengineering approaches that aim to understand or support tissue-level responses during dental movement.