Tooth Microstructure

Tooth microstructure is the organized arrangement of mineralized and soft tissues that gives teeth their strength, resilience, and biological function. Enamel consists primarily of tightly packed hydroxyapatite crystallites, while dentin contains mineral reinforced by a collagen-rich matrix and microscopic tubules; cementum and pulp support attachment, nutrition, and repair. These tissues form hierarchical structures that distribute chewing forces, resist wear, and influence how fluids and signals move through the tooth. In bioengineering, understanding tooth microstructure guides the design of restorative materials, biomimetic scaffolds, and strategies for enamel and dentin regeneration, helping improve durability, integration, and long-term clinical performance.

Tooth Microstructure - Related Videos

Research

JoVE Journal - Engineering

Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures

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Cited by 7 •

2012

We present methods for fabrication of patterned microstructures of vertically aligned carbon nanotubes (CNTs), and their use as master molds for production of polymer microstructures with organized nanoscale surface texture. The CNT forests are densified by condensation of solvent onto the substrate, which significantly increases their packing density and enables self-directed formation of 3D shapes.

Analyzing Tooth Germ and Trigeminal Ganglia Interactions Using a Microfluidic Co-culture System

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2025

This video demonstrates the utilization of a microfluidic device to study the interactions between tooth germ pulp and trigeminal ganglia. It showcases the placement of tissues inside the microfluidic device and provides a detailed visualization of trigeminal neurite growth toward the tooth germ through the device's microgrooves. Additionally, it highlights the role of tooth-derived molecular factors in promoting or inhibiting neurite extension into the tooth germ pulp, which is crucial for...

Education

JoVE Core - Anatomy and Physiology

Tooth Anatomy

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2024

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.

Analysis of Developing Tooth Germ Innervation Using Microfluidic Co-culture Devices

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Cited by 10 •

2015

Co-cultures represent a valuable method to study the interactions between nerves and target tissues and organs. Microfluidic systems allow co-culturing ganglia and whole developing organs or tissues in different culture media, thus representing a valuable tool for the in vitro study of the crosstalk between neurons and their targets.

Improved Polydimethylsiloxane (PDMS) Double Casting via Silicone Oil Treatment for Densely Packed Microstructure Replication

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2025

This protocol presents an improved demolding procedure for the Polydimethylsiloxane (PDMS) double casting technique by introducing silicone oil as a non-adhesive barrier between PDMS layers. Unlike plasma or chemical surface modification methods, this approach requires no specialized or costly equipment, making it a more accessible and cost-effective alternative.

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