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Related Concept Videos

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...
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Tooth Anatomy01:21

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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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Structural Classification of Joints

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Joints, also known as articulations, are classified based on their structural characteristics, i.e., based on whether the articulating surfaces of the adjacent bones are directly connected by fibrous connective tissue or cartilage, or whether the articulating surfaces contact each other within a fluid-filled joint cavity. These differences serve to divide the joints of the body into three structural classifications.
A fibrous joint is where the adjacent bones are united by fibrous connective...
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Structurally compromised teeth. Part I: Clinical considerations and novel classification proposal.

Guido Fichera1, Claudia Mazzitelli2, Vincenzo Picciariello3

  • 1Dr. Guido Fichera Private Practice, Monza, Italy.

Journal of Esthetic and Restorative Dentistry : Official Publication of the American Academy of Esthetic Dentistry ... [Et Al.]
|August 24, 2023
PubMed
Summary
This summary is machine-generated.

A new classification system for structurally compromised teeth (SCT) aids in standardizing pre-operative evaluations. This system helps determine the best biomechanical restorative approach for challenging dental cases.

Keywords:
bone crestcervical structureclassificationferruleresistance formstructurally compromised teethsupracrestal tissue attachment

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Area of Science:

  • Restorative Dentistry
  • Dental Biomaterials
  • Periodontology

Background:

  • Dental injuries and mismanagement compromise tooth structure, impacting biomechanical strength.
  • This compromises the feasibility of restorative procedures, necessitating standardized evaluation.

Purpose of the Study:

  • To introduce a comprehensive classification for structurally compromised teeth (SCT).
  • To standardize pre-operative evaluations for biological and mechanical features.
  • To guide restorative treatment planning for compromised teeth.

Main Methods:

  • Classification of coronal and cervical tooth defects.
  • Analysis of apical residual cervical tooth structure location.
  • Analysis of bucco/lingual residual structure coronal location.
  • Consideration of gingival margin, sulcus, attachment, and bone crest (BC).

Main Results:

  • Identified five clinical scenarios based on residual cervical structure relative to the gingival margin and bone crest.
  • Defined criteria for restorable teeth, particularly concerning subgingival/intrasulcular residual structure (>1.5mm above BC).

Conclusions:

  • The classification aims to encompass all encountered tooth defects.
  • It addresses apical issues for managing perio-restorative interfaces.
  • It evaluates tooth resistance capacity for optimal biomechanical restorative planning.