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Related Concept Videos

Molar Mass01:54

Molar Mass

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The identity of a substance is defined not only by the types of atoms or ions it contains but by the quantity of each type of atom or ion. For example, water, H2O, and hydrogen peroxide, H2O2, are alike in that their respective molecules are composed of hydrogen and oxygen atoms. However, because a hydrogen peroxide molecule contains two oxygen atoms, as opposed to the water molecule, which has only one, the two substances exhibit very different properties.
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Speed of a Transverse Wave01:13

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The speed of a wave depends on the characteristics of the medium. For example, in the case of a guitar, the strings vibrate to produce the sound. The speed of the waves on the strings and the wavelength determine the frequency of the sound produced. The strings on a guitar have different thicknesses but may be made of similar material. They have different linear densities, and the linear density is defined as the mass per length.
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Deformations in a Transverse Cross Section01:21

Deformations in a Transverse Cross Section

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When a material is subjected to uniaxial stress, it elongates or contracts in the direction of the applied force, and also undergoes changes in the perpendicular directions. This behavior is crucial for understanding how materials behave under stress and is governed by mechanical properties such as Poisson's ratio v, which measures the ratio of transverse strain to axial strain.
As the material stretches, it expands or contracts in orthogonal directions to the load. This phenomenon varies...
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Applications of the Ideal Gas Law: Molar Mass, Density, and Volume03:43

Applications of the Ideal Gas Law: Molar Mass, Density, and Volume

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The volume occupied by one mole of a substance is its molar volume. The ideal gas law, PV = nRT,  suggests that the volume of a given quantity of gas and the number of moles in a given volume of gas vary with changes in pressure and temperature. At standard temperature and pressure, or STP (273.15 K and 1 atm), one mole of an ideal gas (regardless of its identity) has a volume of about 22.4 L — this is referred to as the standard molar volume.
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Deformation of a Beam under Transverse Loading01:15

Deformation of a Beam under Transverse Loading

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Understanding beam deflection, particularly for indeterminate beams with overhanging segments and multiple concentrated loads, is crucial for ensuring structural integrity and functionality. The process begins with constructing an accurate free-body diagram, which helps identify the forces and moments acting on the beam. This diagram is vital for visualizing how bending moments vary along the beam's length, influencing its curvature.
The insights from the bending moment diagram extend to...
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Data Reporting and Recording01:24

Data Reporting and Recording

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Reporting and recording are crucial in data documentation. The timely, thorough, and accurate documentation of facts is essential when recording patient data. Failure to record findings during an assessment or interpretation of a problem will result in loss of information and make the patient document unreliable. The reader is left with general impressions if the information is not specific. A recording is documenting data of the individual's health information in a traceable, secure, and...
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Related Experiment Video

Updated: Feb 13, 2026

The Establishment of a Murine Mandibular Molar Extraction Socket Healing Model
04:19

The Establishment of a Murine Mandibular Molar Extraction Socket Healing Model

Published on: January 13, 2023

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Bilateral Transverse Mandibular Second Molars: A Case Report.

James Puryer1, Tarun Mittal2, Catherine McNamara3

  • 1School of Oral and Dental Sciences, Bristol Dental Hospital, Lower Maudlin Street, Bristol BS1 2LY, UK. james.puryer@bristol.ac.uk.

Dentistry Journal
|March 23, 2018
PubMed
Summary
This summary is machine-generated.

Bilateral transverse impaction of mandibular second and third molars is rare. This case report details the extraction of all impacted teeth in an 18-year-old patient.

Keywords:
bilateralimpactedmandibularmolarstransverse

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Area of Science:

  • Dentistry
  • Oral and Maxillofacial Surgery

Background:

  • Mandibular second molar impaction is uncommon, affecting 0.65%-2.0% of individuals.
  • Typically, impactions are unilateral unless systemic issues are present.
  • Optimal treatment for impacted mandibular second molars lacks consensus, requiring individualized plans.

Observation:

  • This paper details an unusual case of bilateral transverse impaction.
  • Both mandibular second and third molars were affected in an 18-year-old patient.
  • The impaction pattern was transverse, affecting both sides of the lower jaw.

Findings:

  • The patient presented with a rare bilateral transverse impaction of mandibular second and third molars.
  • Surgical extraction was performed for all impacted teeth.
  • Diagnosis occurred at 18 years of age.

Implications:

  • This case highlights the importance of early diagnosis in managing rare impaction patterns.
  • Surgical extraction remains a viable treatment option for complex mandibular molar impactions.
  • Understanding rare presentations aids in tailoring treatment strategies for impacted teeth.