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Related Concept Videos

Flail Chest-I01:24

Flail Chest-I

Overview of Flail Chest
Flail chest is a severe and potentially life-threatening condition characterized by the fracture of three or more adjacent ribs in multiple places. It is most commonly caused by direct impacts and trauma, such as motor vehicle accidents or injuries from a steering wheel impact. It can also occur due to falls in elderly individuals with osteoporosis, or assaults involving sharp objects.
Pathophysiology
The pathophysiology of flail chest is complex, involving fractures of...
Fractures: Bone Repair01:27

Fractures: Bone Repair

Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...

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Related Experiment Video

Updated: Jun 6, 2026

Coronoid-Temporalis Pedicled Flap for Orbital Floor Defect Reconstruction
06:32

Coronoid-Temporalis Pedicled Flap for Orbital Floor Defect Reconstruction

Published on: December 5, 2025

Bone loss after full-thickness and partial-thickness flap elevation.

Stefan Fickl1, Moritz Kebschull, Peter Schupbach

  • 1Department of Periodontology, Julius-Maximilians-University, Würzburg, Germany. fickl_s@klinik.uni-wuerzburg.de

Journal of Clinical Periodontology
|December 2, 2010
PubMed
Summary
This summary is machine-generated.

Partial-thickness flaps may lead to less bone loss compared to full-thickness flaps in periodontal surgery, though some bone alteration is still possible. Further research is needed to optimize outcomes.

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Published on: December 5, 2025

Area of Science:

  • Periodontal surgery
  • Histology
  • Bone regeneration

Background:

  • Flap elevation techniques are crucial in periodontal surgery.
  • Understanding bone alterations following different flap designs is essential for predictable outcomes.

Purpose of the Study:

  • To histologically compare bone alterations after partial-thickness versus full-thickness flap elevation.
  • To assess vertical bone loss and osteoclastic activity associated with each flap type.

Main Methods:

  • A split-mouth study was conducted on five beagle dogs.
  • Mandibular premolars underwent either partial-thickness or full-thickness flap elevation with bone notching.
  • Histometric analysis evaluated vertical bone loss and osteoclastic activity after 4 months.

Main Results:

  • Both flap techniques resulted in bone loss and increased osteoclastic activity.
  • Partial-thickness flaps showed a trend towards reduced bone loss compared to full-thickness flaps.
  • Variability in bone loss was observed with partial-thickness flaps.

Conclusions:

  • Partial-thickness flaps do not entirely prevent bone loss but may result in less bone loss than full-thickness flaps.
  • Further investigation is required to identify factors influencing the success of partial-thickness flap procedures.
  • Clinical decision-making should consider the potential for bone loss with both techniques.