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Related Concept Videos

Tooth Anatomy01:21

Tooth Anatomy

1.7K
The human tooth enables us to eat a variety of foods, speak clearly, and even aid in shaping our faces. Teeth are composed of various elements that work together. Here's a detailed look at the anatomy of a human tooth.
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or...
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Local Anesthetics: Clinical Application as Surface, Infiltration, and Conduction Block Anesthesia01:30

Local Anesthetics: Clinical Application as Surface, Infiltration, and Conduction Block Anesthesia

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Depending on the target organ, local anesthetics (LAs) can be administered via various routes. In surface anesthesia, LAs are applied directly to the surface of the skin or mucous membranes. It is widely used for topical skin numbing before venipuncture or minor surgical procedures. Commonly used surface local anesthetics are lidocaine or benzocaine sprays or creams. Surface anesthesia occurs within 5 minutes and lasts for about 60 minutes. One of the main disadvantages of topical anesthesia is...
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Teeth01:15

Teeth

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The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin...
1.4K
Adherens Junctions01:24

Adherens Junctions

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Strong contact points between adjacent cells anchor them to each other, forming tissues. Such anchoring junctions are of two types –  adherens junctions and desmosomes. Adherens junctions are abundant in tissues such as  epithelium and endothelium, forming a continuous zone of adhesion called the adhesion belt. In other tissues, such as  heart muscle, they appear as clusters, linking the cells to produce coordinated heart muscle contraction.
Adherens Junctions are Dynamic
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Local Anesthetics: Common Agents and Their Applications01:23

Local Anesthetics: Common Agents and Their Applications

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Local anesthetics (LAs) are commonly used for various applications in medical and dental procedures. Some of the common agents used are cocaine, lidocaine, and bupivacaine.
Cocaine is an ester of benzoic acid and methylecgogine. It is used to anesthetize and vasoconstrict locally. Currently, it is used primarily for topical applications. It is beneficial for surgeries on the upper respiratory tract, providing anesthesia and shrinking the mucosa. Cocaine in the form of cocaine hydrochloride is...
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Adhesion01:14

Adhesion

42.9K
Adhesion occurs when one type of molecule is attracted to a different molecule. Water exhibits adhesive properties in the presence of polar surfaces, such as glass or cellulose in plants. For instance, when water is poured into a glass, the positively charged hydrogen molecules of water are more attracted to the negatively charged oxygen molecules in the silica than to the oxygen in neighboring water molecules.
Capillary action is a result of water’s adhesive tendencies. When a narrow...
42.9K

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Physicomechanical Properties and Morphological Characterization of Several Universal Resin Composites After Different Aging Procedures.

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Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique
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Adhesive dentistry: Current concepts and clinical considerations.

Jorge Perdigão1, Edson Araujo2, Renato Q Ramos3

  • 1Department of Restorative Sciences, Division of Operative Dentistry, University of Minnesota, Minneapolis, Minnesota, USA.

Journal of Esthetic and Restorative Dentistry : Official Publication of the American Academy of Esthetic Dentistry ... [Et Al.]
|December 2, 2020
PubMed
Summary

Universal adhesives offer improved clinical performance, but enamel etching remains crucial for durable restorations. New universal composite resins simplify shade matching for better esthetics.

Keywords:
dental adhesiondental bondingdental materialsuniversal adhesivesuniversal composite resins

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Application of Light-cured Dental Adhesive Resin for Mounting Electrodes or Microdialysis Probes in Chronic Experiments
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Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material
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Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material
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Area of Science:

  • Dental Materials Science
  • Restorative Dentistry

Background:

  • Adhesive dentistry has evolved significantly in the past 20 years.
  • New dental adhesives and composite resins emphasize user-friendliness through fewer components and steps.
  • Universal adhesives and composite resins represent the latest advancements.

Purpose of the Study:

  • To review current evidence on adhesive restorative materials.
  • To focus on the clinical use and evidence supporting universal adhesives and composite resins.

Main Methods:

  • Literature review of contemporary adhesive dental materials.
  • Emphasis on evidence supporting clinical applications.

Main Results:

  • Universal adhesives perform well, but enamel etching is still recommended for durability.
  • No clinical evidence supports adjuncts like glutaraldehyde-based desensitizers or MMP inhibitors.
  • Universal composite resins simplify shade selection and application.

Conclusions:

  • New adhesive materials are user-friendly and yield excellent clinical and esthetic outcomes.
  • Enamel etching is necessary for optimal durability with universal adhesives.
  • Universal composite resins enhance esthetic procedures.