Related Experiment Video
Updated: May 22, 2026
07:26
Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
Published on: August 22, 2022
What is dental ecology?
Frank P Cuozzo1, Michelle L Sauther
1Department of Anthropology, University of North Dakota, Grand Forks, ND 58202-8374, USA. frank.cuozzo@email.und.edu
American Journal of Physical Anthropology
|May 22, 2012
Summary
Lemur catta exhibit severe tooth wear and loss due to consuming fallback foods. This study introduces "dental ecology," integrating dental anatomy and primate ecology to understand environmental impacts on teeth.
Area of Science:
- Primate Ecology
- Paleontology
- Dental Anthropology
Background:
- Teeth are crucial indicators of primate ecology, with research evolving from dental morphology to wear, microstructure, development, and biogeochemistry.
- Previous studies linked dental features to diet and behavior, but lacked a comprehensive framework for environmental interactions.
Purpose of the Study:
- To introduce and define "dental ecology" as a framework for understanding how environmental factors influence primate dental health and function.
- To analyze severe tooth wear and loss in Lemur catta as a case study for dental ecology.
Main Methods:
- Combined expertise in dental anatomy and primate ecology to interpret unusual patterns of tooth wear and loss.
- Integrated theoretical, methodological, and applied aspects of dental anatomy and primate ecology.
Main Results:
- Lemur catta at Beza Mahafaly Special Reserve show severe tooth wear and frequent tooth loss.
- This pathology is linked to the consumption of fallback foods for which the primates are not dentally adapted.
Conclusions:
- Dental ecology provides a novel synthesis of anatomy and ecology, essential for understanding living primates.
- The framework allows for interpreting dental pathology and wear within broader ecological, behavioral, and environmental contexts.
Related Concept Videos
01:15Teeth
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...
01:21Tooth 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.
01:27The Oral Microbiota
The oral microbiome includes a complex ecosystem comprising over 700 microbial species, identified through genomic sequencing and culture-based analyses to date. This community includes a core microbiome, found universally among individuals, and a variable component influenced by environmental factors such as diet, lifestyle, and host genetics. Site-specific conditions, including oxygen gradients, pH levels, and nutrient availability, determine the spatial distribution of these microorganisms...
01:28Introduction to Microbial Ecology
Microbial ecology examines the complex web of interactions and diversity among microorganisms within various ecosystems. This field seeks to understand how microbial populations adapt to and influence their environments and how these interactions shape broader ecological processes. Microbes are integral to ecosystem function, participating in nutrient cycling, energy flow, and the maintenance of environmental homeostasis.An ecosystem represents a dynamic interaction between living organisms...
01:11Oral Cavity
The oral cavity, or the mouth, is a complex structure in humans that plays a vital role in our day-to-day lives. Its role is not only in chewing and swallowing food; it also plays a role in speech and facial expressions.
Teeth: The teeth are the hardest structures in our bodies. Humans have two sets of teeth throughout their lifetime: deciduous (baby) teeth and permanent teeth. Each tooth consists of several parts: the crown (visible part), the root (embedded in the jaw), enamel (hard outer...
Teeth: The teeth are the hardest structures in our bodies. Humans have two sets of teeth throughout their lifetime: deciduous (baby) teeth and permanent teeth. Each tooth consists of several parts: the crown (visible part), the root (embedded in the jaw), enamel (hard outer...
01:28Development of the Oral Microbiota
The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...