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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

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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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Risk factors in peri-implantitis: A narrative review.

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Related Experiment Video

Updated: Dec 10, 2025

Dynamic Navigation for Dental Implant Placement
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Are teeth superior to implants? A mapping review.

Steven J Sadowsky1, John B Brunski2

  • 1Professor, Preventive and Restorative Department, University of the Pacific Arthur A. Dugoni School of Dentistry, San Francisco, Calif.

The Journal of Prosthetic Dentistry
|September 1, 2020
PubMed
Summary
This summary is machine-generated.

Teeth better resist biologic challenges due to the periodontal ligament (PDL). However, dental implants manage higher mechanical loads without bone loss, unlike teeth.

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Area of Science:

  • Biomaterials Science
  • Dental Implantology
  • Periodontology

Background:

  • The periodontal ligament (PDL) is traditionally considered superior to dental implants for resisting biologic and mechanical challenges.
  • Lack of comprehensive literature analysis has compromised treatment planning for tooth- and implant-supported restorations.

Purpose of the Study:

  • To identify knowledge gaps in how teeth and implants respond to biologic and mechanical loads.
  • To provide evidence-based guidance for replacing periodontally compromised teeth and designing implant prostheses.

Main Methods:

  • A systematic mapping review of studies published between 1965 and 2020.
  • Searches were conducted in PubMed, Science Direct, and Web of Science databases.
  • 108 English-language studies (clinical, in vivo, in vitro) on periradicular and peri-implant bone response were analyzed.

Main Results:

  • The PDL's vascularity, stem cells, and resident cells offer superior defense against biologic threats compared to implants.
  • The PDL mediates moderate loads but higher stress/strain can trigger osteoclastic activity and bone changes.
  • Peri-implant bone exhibits greater resistance to similar loads, with a higher threshold for overload due to the absence of PDL stress/strain sensitivity.

Conclusions:

  • Teeth demonstrate superior resilience against biologic challenges.
  • Implants excel in managing higher compressive loads without inducing bone resorption, a critical advantage in specific clinical scenarios.