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Related Concept Videos

Design Consideration01:22

Design Consideration

583
Designing a structure involves a series of considerations, primarily the material's ultimate strength, calculated through tests that measure changes under increased force until the material reaches its breaking point or limit. The ultimate load, where the material breaks, is divided by its original cross-sectional area, resulting in the ultimate normal stress or strength. The ultimate shearing stress is another significant factor taken into account.
The factor of safety is another key...
583
Tensile Strength Considerations of Concrete01:16

Tensile Strength Considerations of Concrete

558
Considering the tensile strength of concrete involves recognizing that the theoretical strength of cement paste can be up to a thousand times higher than what is observed in practical applications. This significant discrepancy is largely attributed to the presence of microscopic cracks within the concrete. These cracks tend to amplify stress at their tips when a load is applied, a phenomenon explained by Griffith's theory of brittle fracture.
The dimensions and shape of a concrete specimen...
558
Transmission Line Design Considerations01:23

Transmission Line Design Considerations

633
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
633
Special considerations while measuring pulse01:13

Special considerations while measuring pulse

978
Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:
978
Energy Considerations in Open Channel Flow01:27

Energy Considerations in Open Channel Flow

611
Open channel flow, where a fluid flows with a free surface exposed to the atmosphere, is primarily governed by gravitational and surface effects, distinguishing it from closed conduit or pipe flow. In open channels such as rivers, canals, and artificial channels, energy analysis provides valuable insights into flow behavior and the relationship between depth, velocity, and slope.Specific Energy and Flow DepthIn open channel flow, the specific energy, E, combines the gravitational potential...
611
One-Compartment Open Model for IV Bolus Administration: General Considerations01:19

One-Compartment Open Model for IV Bolus Administration: General Considerations

752
The one-compartment model is a pharmacokinetic tool that models the body as a single, uniform compartment, facilitating the understanding of drug distribution and elimination. This model is particularly beneficial for intravenous (IV) bolus administration, where the drug rapidly circulates throughout the body.
The drug's presence in the body is defined by an equation representing the difference between the rates of drug entry and exit. Key parameters—elimination rate constant,...
752

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Desmoplastic fibroma: report of rare lesion in unusual craniofacial location.

The New York state dental journal·2013
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Dentofacial Considerations in Genioplasty.

Majid Jamali

    The New York State Dental Journal
    |June 20, 2018
    PubMed
    Summary

    Chin augmentation often overlooks the broader maxillofacial complex, focusing solely on the pogonion. This review highlights deformities affecting chin position and suggests deferring some genioplasty procedures in favor of addressing underlying skeletal issues.

    Area of Science:

    • Plastic Surgery
    • Maxillofacial Surgery
    • Aesthetic Surgery

    Background:

    • Chin augmentation using implants is increasingly popular.
    • Current focus is primarily on the pogonion (chin prominence).
    • The wider maxillofacial complex, including the maxilla and mandible, is often neglected.

    Purpose of the Study:

    • To illustrate various maxillofacial complex scenarios and deformities impacting chin position.
    • To emphasize the importance of considering the entire mid-face in chin augmentation.
    • To advocate for a more comprehensive approach to genioplasty and chin augmentation.

    Main Methods:

    • Review of different maxillofacial complex deformities affecting chin.
    • Illustration of various clinical scenarios.

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  • Discussion of treatment alternatives.

    • Main Results:

    • Identified diverse deformities in the maxillofacial complex that influence chin shape and position.
    • Highlighted cases where chin augmentation might be suboptimal.
    • Emphasized the need to consider skeletal contributions to facial aesthetics.

    Conclusions:

    • A number of genioplasty augmentation procedures may require deferral.
    • Alternative treatments addressing underlying skeletal issues should be discussed with patients.
    • A holistic approach to the maxillofacial complex is crucial for successful chin augmentation outcomes.