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Teeth

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...

Tooth Anatomy

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...

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Related Experiment Video

Updated: Oct 17, 2025

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique

Published on: July 27, 2022

Minimally Invasive Multidisciplinary Restorative Approach to the Esthetic Zone Including a Single Discolored Tooth.

A Tsujimoto¹, C A Jurado², J Villalobos-Tinoco³

¹*Akimasa Tsujimoto, BDS, DDD, Department of Operative Dentistry, University of Iowa College of Dentistry, Iowa City, IA, USA.

Operative Dentistry

|October 8, 2021

Summary

This summary is machine-generated.

This case report details a minimally invasive dental treatment for a discolored tooth, combining internal bleaching with Washi paper, 3D-guided gingivoplasty, and porcelain veneers for lasting smile aesthetics.

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Published on: December 20, 2024

Area of Science:

Restorative Dentistry
Dental Aesthetics
Minimally Invasive Procedures

Background:

A discolored anterior tooth presented a significant esthetic concern for the patient.
A multidisciplinary approach was planned, including internal tooth bleaching, gingivoplasty, and porcelain veneer restoration.

Observation:

Internal bleaching utilized sodium perborate and hydrogen peroxide within Washi paper, sealed in the root canal.
A 3D-printed surgical guide facilitated precise gingivoplasty for soft tissue recontouring.
Ultrathin feldspathic porcelain veneers were applied after a 6-month healing period.

Findings:

The combined treatment effectively addressed the discolored tooth and improved overall smile esthetics.
The restorative procedures demonstrated success and stability for up to 4 years post-treatment.

Implications:

This integrated technique offers a viable, minimally invasive solution for complex anterior tooth discoloration.
The use of 3D printing in guided gingivoplasty enhances precision and predictability in esthetic dentistry.
Washi paper presents an innovative material for internal tooth bleaching applications.