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The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between...
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When designing a water slide, controlling the speed of water flow is crucial for rider safety while maintaining an exciting experience. As water flows down the slide, gravity causes it to accelerate, with its speed at the bottom depending on the height from which it starts. The higher the slide, the more potential energy the water has at the top, which is converted into kinetic energy as it descends, increasing its speed.
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Design Example: Design of an Irrigation Channel01:27

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Trapezoidal channels are widely used in irrigation systems due to their cost-effectiveness and efficiency in conveying water. Trapezoidal channels feature a flat bottom and sloping sides, making them stable and easier to construct compared to other shapes. The bottom width and side slope ratio are determined based on the required flow capacity and site conditions. The side slope is kept gentle for unlined channels to prevent soil erosion.Hydraulic parameters in channel design include the flow...
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Design Example01:23

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The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
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Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer
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The Photoshop Smile Design Technique.

Edward A McLaren1, Ronald E Goldstein2

  • 1Professor, Co-Director, Advanced Dental Esthetics, Restorative & Biomaterials Program, UAB School of Dentistry, Birmingham, AL.

Compendium of Continuing Education in Dentistry (Jamesburg, N.J. : 1995)
|May 8, 2018
PubMed
Summary
This summary is machine-generated.

Digital smile design software helps dentists visualize cosmetic dentistry outcomes for patients. Using tools like Adobe Photoshop, dentists can create digitally enhanced smiles to aid treatment planning and patient acceptance.

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Area of Science:

  • Dentistry
  • Digital Imaging

Background:

  • Esthetic or cosmetic dentistry is a significant area of growth in dental practice.
  • Smile design concepts are crucial for developing treatment plans that achieve desired esthetic outcomes.
  • Digital smile design allows for rapid visualization of potential treatment results for patients.

Purpose of the Study:

  • To demonstrate the use of Adobe Photoshop for creating digitally enhanced smiles from pre-treatment patient images.
  • To illustrate how digital smile alterations can assist dental professionals in treatment planning and analysis.
  • To show how these digital visualizations can aid in patient communication and treatment acceptance.

Main Methods:

  • Utilizing Adobe Photoshop software to edit pre-treatment patient photographs.
  • Creating digitally altered smiles to simulate potential esthetic outcomes.
  • Presenting these digital visualizations to patients for review and discussion.

Main Results:

  • Digital smile design provides a quick method for patients to visualize potential esthetic results.
  • Digitally enhanced smiles can facilitate patient acceptance of proposed treatment plans.
  • The process aids dental professionals in articulating smile analysis and treatment options.

Conclusions:

  • Digital smile design, particularly using readily available software like Adobe Photoshop, is a valuable tool in modern cosmetic dentistry.
  • This technique enhances patient engagement and understanding by providing clear visual representations of treatment goals.
  • It streamlines the treatment planning process, improving communication between dentist and patient for esthetic dental procedures.