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Related Concept Videos

Plastic Behavior01:21

Plastic Behavior

A material's elastic behavior is characterized by the disappearance of stress once the load is removed, allowing the material to return to its original state. However, when stress surpasses the yield point, yielding commences, marking the onset of plastic deformation or permanent set. This change from elastic to plastic behavior is influenced by the peak stress value and the duration before the load is removed. An intriguing observation occurs when a specimen is loaded, unloaded, and reloaded.
Plastic Deformations01:14

Plastic Deformations

It is essential to understand how structural members behave under plastic deformation when the bending stress exceeds the material's yield strength. This state of deformation permanently alters the shape of the member, in contrast to the linear elastic behavior observed before yielding. The strain at any point in the member is expressed in terms of maximum strain. Notably, the neutral axis, which coincides with the centroid during elastic bending, shifts away from the centroid under plastic...
Plastic Deformations01:19

Plastic Deformations

Plastic deformation represents a fundamental concept in materials science, which explains the irreversible change in the shape of a material when it experiences stress beyond its elastic capability. This phenomenon is important in structural engineering, especially in designing and analyzing cantilever beams—structures that are securely fixed at one end and bear loads at the opposite end. When these beams are subjected to loads within their elastic range, they will return to their original...

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Challenging Dogmas in Plastic Surgery.

Kun Hwang1,2, Chan Yong Park3

  • 1Department of Plastic Surgery, Armed Forces Capital Hospital, Bundang-gu, Seongnam-City, Gyeonggi-do, Republic of Korea.

The Journal of Craniofacial Surgery
|September 12, 2024
PubMed
Summary
This summary is machine-generated.

Plastic surgery dogmas are evolving, with wound healing and epinephrine use frequently challenged. This ongoing refinement drives clinical science advancements and improves patient care through research and adaptation.

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Area of Science:

  • Plastic Surgery
  • Surgical Innovation
  • Medical Dogma Evolution

Background:

  • Medical dogmas are subject to change with new research and technology.
  • Plastic surgery, like other medical fields, experiences evolving principles and practices.
  • Identifying challenged dogmas highlights areas ripe for innovation.

Purpose of the Study:

  • To identify and categorize dogmas challenged within the field of plastic surgery.
  • To analyze the distribution and focus of challenged dogmas.
  • To understand the driving forces behind the revision of established surgical principles.

Main Methods:

  • PubMed database search using keywords such as "dogma and plastic surgery," "surgical dogma," and specific subspecialties.
  • Review of 141 abstracts identified through initial searches.
  • Classification and analysis of 63 selected papers detailing challenged dogmas.

Main Results:

  • The most frequently challenged dogmas were related to wound healing (14.29%) and epinephrine use (9.52%).
  • Other areas with challenged dogmas include flap surgery, breast reconstruction, rhinoplasty, hand surgery, pressure sores, chemical peels, and hand injuries.
  • The analysis revealed a dynamic landscape of ongoing research and debate within plastic surgery.

Conclusions:

  • Challenging existing dogmas is essential for advancing clinical science in plastic surgery.
  • Focus on wound healing and epinephrine use indicates a need for improved techniques and safety protocols.
  • The continuous adaptation of practices reflects the field's commitment to improving patient outcomes and integrating new knowledge.