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Related Concept Videos

Tooth Anatomy01:21

Tooth Anatomy

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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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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.
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Minerals01:26

Minerals

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Minerals are essential nutrients that the human body needs in small amounts to work properly. They play a vital role in many bodily functions, such as building strong bones and transmitting nerve impulses. Some minerals are needed for hormone production or to maintain a normal heartbeat. Major minerals include calcium, phosphorus, potassium, sulfur, sodium, chlorine, and magnesium, while trace minerals include iron, manganese, copper, iodine, zinc, cobalt, fluoride, and selenium.
 
Major...
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Factors Affecting the Risk of Infection01:26

Factors Affecting the Risk of Infection

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The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
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Local Anesthetics: Adverse Effects01:12

Local Anesthetics: Adverse Effects

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While local anesthetics are generally safe and well-tolerated, they can occasionally cause adverse effects that vary in severity. Local anesthetics can induce toxicity at two distinct levels. They can either produce local effects through direct contact with the neural elements or be absorbed into the bloodstream from the injection site, leading to systemic effects.
Once absorbed into the systemic circulation, local anesthetics can affect the organs that depend on the functioning of sodium...
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The Availability Heuristic01:08

The Availability Heuristic

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A heuristic is a general problem-solving framework (Tversky & Kahneman, 1974). You can think of these as mental shortcuts that are used to solve problems. Different types of heuristics are used in different types of situations, and the impulse to use a heuristic occurs when one of five conditions is met (Pratkanis, 1989):
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Related Experiment Videos

Risks with dental materials.

Anders Tillberg1, Bengt Järvholm, Anders Berglund

  • 1Department of Odontology/Dental Materials Science, Umeå University, S-901 87 Umeå, Sweden. anders.tillberg@odont.umu.se <anders.tillberg@odont.umu.se>

Dental Materials : Official Publication of the Academy of Dental Materials
|January 1, 2008
PubMed
Summary
This summary is machine-generated.

Material safety data sheets for dental materials often lack hazard information. This study highlights potential risks of non-amalgam dental materials, urging stronger regulations for patient safety.

Related Experiment Videos

Area of Science:

  • Dental Materials Science
  • Toxicology
  • Public Health

Background:

  • Dental materials are widely used as substitutes for human tissues.
  • Amalgam's health effects are well-studied, leading to its replacement by less-examined materials.
  • Concerns exist regarding the safety of alternative dental materials.

Purpose of the Study:

  • To investigate the potential hazards associated with dental materials other than amalgam.
  • To assess the adequacy of information provided in material safety data sheets (MSDS) for dental products.

Main Methods:

  • Toxicological data was sourced from the Swedish Dental Materials Register 2003 (DentMr).
  • Material safety data sheets (MSDS) were analyzed for product composition, CAS numbers, and risk/safety phrases.
  • Complementary hazard information was gathered from chemical databases for substances with incomplete MSDS data.

Main Results:

  • Of 377 identified substances in 482 products, only 219 could be identified.
  • A significant majority (74%) of identified substances lacked explicit risk and safety phrases on their MSDS.
  • Literature searches revealed potential hazards, including embryotoxic and neurotoxic properties, for some dental material substances.

Conclusions:

  • Material safety data sheets (MSDS) for dental materials inadequately describe potential hazards.
  • Patients and dental professionals may be unaware of the side effects associated with certain dental materials.
  • Enhanced regulation of dental materials, particularly those with long-term patient exposure, is critically needed.