Related Experiment Video
Updated: Jul 17, 2026

04:40
Impact of Common Fruit Juices and Toothbrushing on the Discoloration of Primary Teeth
Published on: March 27, 2026
The influence of age on tooth root colour changes.
Mirko Laskarin1, Hrvoje Brkić, Goran Pichler
1Health Center Sibenik, Sibenik, Croatia. mirkolaskarin@yahoo.com
Collegium Antropologicum
|January 25, 2007
Summary
Tooth root color changes predictably with age, offering a reliable method for dental age assessment. This research confirms a strong linear correlation between root color components and chronological age.
Area of Science:
- Forensic Anthropology
- Odontology
- Biometrics
Background:
- Dental age assessment is crucial in forensic and anthropological studies.
- Tooth root characteristics offer potential biomarkers for aging.
Purpose of the Study:
- To investigate the relationship between tooth root color and chronological age.
- To evaluate the applicability of tooth root color analysis for age estimation.
Main Methods:
- Analysis of 100 tooth roots using digital imaging and colorimetry (Adobe Photoshop 7.0).
- Comparison of RGB values across entire root surfaces versus central parts.
- Assessment of color differences across anatomical surfaces (buccal, mesial, lingual, distal).
Main Results:
- No significant difference in RGB values between whole root surfaces and central parts (p > 0.99).
- No statistically significant color differences across the four anatomical surfaces for red (p > 0.99) and green (p > 0.99) components.
- Strong linear correlations observed between RGB color components and age: red (r=-0.994), green (r=-0.972), and blue (r=-0.982).
Conclusions:
- Tooth root color exhibits a significant linear correlation with chronological age.
- Digital analysis of tooth root color provides a reliable method for dental age estimation.
- This technique holds practical potential for determining an individual's chronological age.
Related Concept Videos
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...
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...
Changes in Skin Color: Clinical Perspectives
The first thing a clinician sees is the skin, so the examination of the skin should be part of any thorough physical examination. Most skin disorders are relatively benign, but a few, including melanomas, can be fatal if untreated. A couple of the more noticeable disorders, albinism and vitiligo, affect the appearance of the skin and its accessory organs.
Albinism
Albinism is a genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes. The defect is primarily...
Albinism
Albinism is a genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes. The defect is primarily...
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.
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.
The Effect of Aging on Tissues
Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
Pigmentation
The color of the skin is influenced by a number of pigments, including melanin, carotene, and hemoglobin. Recall that melanin is produced by cells called melanocytes, which are found scattered throughout the stratum basale of the epidermis. The melanin is transferred to the keratinocytes via melanosomes.
Melanin occurs in two primary forms: eumelanin that provides black and brown pigment and pheomelanin that provides red color. Dark-skinned individuals produce more melanin than those with pale...
Melanin occurs in two primary forms: eumelanin that provides black and brown pigment and pheomelanin that provides red color. Dark-skinned individuals produce more melanin than those with pale...
Bone Disorders
Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
