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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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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.
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The oral cavity, or the mouth, is a complex structure in humans that plays a vital role in our day-to-day lives. Its role is not only in chewing and swallowing food; it also plays a role in speech and facial expressions.
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Veneer refers to a thin sheet of wood, typically produced to a thickness of about one-eighth of an inch or less. This material is crafted through various methods, the most common being rotary cutting. In this process, a log is mounted into a large lathe and spun against a knife edge, peeling off a continuous strip of wood as the knife penetrates deeper into the rotating log, creating a rotary-cut veneer.
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Tooth whitening: what we now know.

Clifton M Carey1

  • 1University of Colorado, School of Dental Medicine, Aurora, CO 80045, USA.

The Journal of Evidence-Based Dental Practice
|June 16, 2014
PubMed
Summary
This summary is machine-generated.

Tooth whitening using hydrogen peroxide and carbamide peroxide is safe and effective when following manufacturer instructions. Patients must be informed of potential risks like tooth sensitivity and gingival irritation for safe dental care.

Keywords:
Tooth whiteningbleachingbleaching riskscarbamide peroxidehydrogen peroxidehypersensitivitylight activationrestoration bleaching

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Area of Science:

  • Dental Science
  • Cosmetic Dentistry

Background:

  • Tooth whitening is a highly requested dental procedure driven by public demand for aesthetic smiles.
  • Available options range from at-home products to professional in-office treatments using concentrated bleaching agents.
  • Known risks include tooth sensitivity and gingival irritation, with emerging concerns about tooth surface changes and restoration integrity.

Purpose of the Study:

  • To summarize current research on tooth whitening safety and efficacy.
  • To assess the risks and benefits of various tooth whitening regimens.
  • To inform dental professionals and patients about potential adverse effects.

Main Methods:

  • Review of current literature on peroxide-based tooth whitening methods.
  • Inclusion of in vitro studies for mechanism and optimization.
  • Analysis of clinical studies evaluating different whitening regimens.

Main Results:

  • Tooth whitening with hydrogen peroxide and carbamide peroxide is proven safe and effective if manufacturer protocols are adhered to.
  • New research highlights risks including tooth surface roughening, demineralization, and adverse effects on dental restorations.
  • Ongoing research aims to minimize sensitivity and prolong whitening results.

Conclusions:

  • Adherence to manufacturer's instructions ensures the safety and efficacy of hydrogen peroxide and carbamide peroxide tooth whitening.
  • Informed consent is crucial; patients must be educated on risks and how to identify adverse events.
  • Prompt professional consultation is recommended for any identified adverse occurrences during tooth whitening.