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Related Concept Videos

Oral Cavity01:11

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The oral cavity, or the mouth, is a complex structure in humans that plays a vital role in our day-to-day lives. Its role is not only in chewing and swallowing food; it also plays a role in speech and facial expressions.
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James Marcia's identity status model provides a framework for understanding how adolescents navigate identity formation through varying degrees of exploration and commitment. Marcia's model builds on Erik Erikson's theories of psychosocial development, focusing specifically on how adolescents reconcile individual aspirations with societal expectations. His model describes identity formation as a dynamic process where adolescents move between different states depending on their level...
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Electrical Current01:10

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Electrical current is defined as the rate at which charge flows. When there is a large current present, such as that used to run a refrigerator, a large amount of charge moves through the wire in a small amount of time. If the current is small, such as that used to operate a handheld calculator, a small amount of charge moves through the circuit over a long period of time. The SI unit for current is the ampere (A), named for the French physicist André-Marie Ampère (1775–1836).
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Current Density01:21

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The total amount of current flowing through one unit value of a cross-sectional area is referred to as current density. If the current flow is uniform, the amount of current flowing through a conductor is the same at all points along the conductor, even if the conductor area varies. The current density consists of the local magnitude and direction of the charge flow, which varies from point to point. Current density is measured in amperes per meter square, and direction is defined as the net...
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Since eddy currents occur only in conductors, magnets can separate metals from other materials. For example, in a recycling center, trash is dumped in batches down a ramp, beneath which lies a powerful magnet. Conductors in the trash are slowed by eddy currents, while nonmetals in the trash move on, separating from the metals. This works for all metals, not just ferromagnetic ones.
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Displacement Current01:19

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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.
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Updated: Feb 1, 2026

Intraoperative Assessment of Resection Margins in Oral Cavity Cancer: This is the Way
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Oral cancers: Current status.

Anil K D'Cruz1, Richa Vaish1, Harsh Dhar1

  • 1Tata Memorial Hospital, Parel, Mumbai 400012, India.

Oral Oncology
|December 12, 2018
PubMed
Summary
This summary is machine-generated.

Oral cancer presents late despite advances in early detection. Treatment focuses on surgery, with adjuvant therapies and neoadjuvant chemotherapy (NACT) showing promise for specific risk groups and organ preservation.

Keywords:
ChemotherapyHead and neck neoplasmHead and neck neoplasms/diagnostic imagingMonoclonal antibodiesNeck dissectionNeoadjuvant therapyOral cancersOral cancers/surgeryRadiotherapy

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Area of Science:

  • Oncology
  • Oral Medicine
  • Surgical Oncology

Background:

  • Oral cancer is a significant global health challenge.
  • Despite understanding tumor progression, late presentation remains common.
  • Current early detection methods have not met expectations.

Purpose of the Study:

  • To review current treatment strategies for oral cancer.
  • To highlight advancements in adjuvant and neoadjuvant therapies.
  • To discuss the evolving role of neck dissection and palliative care.

Main Methods:

  • Literature review of recent studies on oral cancer treatment.
  • Analysis of evidence influencing treatment intensification and neck dissection.
  • Evaluation of neoadjuvant chemotherapy (NACT) and palliative care approaches.

Main Results:

  • Surgery remains the primary treatment modality.
  • Adjuvant radiation/chemoradiation is indicated for high-risk cases.
  • Neoadjuvant chemotherapy (NACT) shows potential for organ preservation in select cases.
  • Recent evidence impacts neck dissection decisions.
  • Biological agents improve outcomes in palliative settings.

Conclusions:

  • Oral cancer management requires tailored approaches based on risk stratification.
  • Neoadjuvant chemotherapy (NACT) offers new possibilities for organ preservation.
  • Ongoing research continues to refine treatment protocols for better patient outcomes.