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Related Concept Videos

Bone Formation by Intramembranous Ossification01:29

Bone Formation by Intramembranous Ossification

Intramembranous ossification is one of the two processes involved in the development of bones within an embryo. The flat bones of the face, most of the cranial bones, and the clavicles are formed via this process. During intramembranous ossification, the bones develop directly from sheets of undifferentiated mesenchymal connective tissue.
The process begins when mesenchymal cells in the embryonic skeleton gather together and differentiate into osteogenic cells, which then develop into...
Tooth Anatomy01:21

Tooth Anatomy

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 grinding food.
Bone Formation by Endochondral Ossification01:24

Bone Formation by Endochondral Ossification

Bone formation, or ossification, begins around the sixth to seventh week of embryonic development. Most bones develop from a cartilaginous template through the process of endochondral ossification. Cartilage formation begins when clusters of mesenchymal cells differentiate into chondrocytes. These chondrocytes proliferate rapidly and secrete an extracellular matrix that becomes encased in a membrane called the perichondrium. The resulting cartilage model provides a template that resembles the...
Teeth01:15

Teeth

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 and...
Growth of Cartilage and Bone Tissue01:27

Growth of Cartilage and Bone Tissue

Chondrocytes form a temporary cartilaginous model by dividing and secreting a thick gel-like extracellular matrix. Once the chondrocytes undergo programmed cell death, osteoblasts enter the site of the cartilaginous model. The process of replacing the temporary cartilaginous model with bone in an ordered manner is called endochondral ossification. In endochondral ossification, not all of the cartilage is replaced by bone tissue. Some cartilage that performs a protective and supportive function...
Structural Joints: Fibrous Joints01:03

Structural Joints: Fibrous Joints

Fibrous joints are a type of joint where the bones are connected by fibrous connective tissue. These joints provide stability and minimal to no movement between the articulating bones. There are three types of fibrous joints.
Suture
All the bones of the skull, except for the mandible, are joined to each other by a fibrous joint called a suture. The fibrous connective tissue found at a suture strongly unites the adjacent skull bones and thus helps to protect the brain and form the face. In...

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An Improved Mechanical Testing Method to Assess Bone-implant Anchorage
11:51

An Improved Mechanical Testing Method to Assess Bone-implant Anchorage

Published on: February 10, 2014

Formation of the tooth-bone interface.

J Fleischmannova1, E Matalova, P T Sharpe

  • 1Institute of Animal Physiology and Genetics CAS v.v.i., Brno, Czech Republic. setkova@iach.cz

Journal of Dental Research
|January 1, 2010
PubMed
Summary
This summary is machine-generated.

Replacing missing teeth is crucial for function and well-being. Molecular dentistry explores natural tooth regeneration, focusing on the critical tooth-bone interface for successful integration and lifelong stability.

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Area of Science:

  • Biomaterials Science
  • Craniofacial Genetics
  • Molecular Dentistry

Background:

  • Missing teeth cause social and emotional distress, necessitating effective tooth replacement strategies.
  • Current tooth replacement methods use inert materials, highlighting the need for regenerative approaches.
  • Understanding the tooth-bone interface is vital for functional tooth restoration.

Purpose of the Study:

  • To review the developmental and homeostatic aspects of the tooth-bone interface.
  • To explore molecular mechanisms governing tooth and alveolar bone interactions.
  • To provide insights into natural tooth substitution and regenerative dentistry.

Main Methods:

  • Literature review of developmental biology and craniofacial genetics.
  • Analysis of research on cell and tissue interactions in tooth formation and eruption.
  • Synthesis of information on the tooth-bone interface and periodontium.

Main Results:

  • Tooth development involves complex interactions between the tooth, surrounding bone, and periodontium.
  • Successful tooth replacement requires functional anchoring to the alveolar bone.
  • Lifelong homeostasis of the tooth-bone interface is essential for tooth stability.

Conclusions:

  • Regenerative approaches in molecular dentistry hold promise for natural tooth substitution.
  • Further research into craniofacial genetics can elucidate mechanisms for improved tooth replacement.
  • Establishing functional integration at the tooth-bone interface is key for successful and lasting tooth restoration.