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Related Concept Videos

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.
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...
Oral Cavity01:11

Oral 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...
Sutures of the Skull01:22

Sutures of the Skull

The human skull is composed of several bones that come together to protect the brain and support the structures of the face. The junctions where these bones meet are called sutures.
Sutures are immobile joints between adjacent bones of the skull. The narrow gap between the bones is filled with dense, fibrous connective tissue that unites the bones. The long sutures located between the skull bones are not straight but instead follow irregular, tightly twisting paths. These twisting lines tightly...
Cranial Bones: Lateral View01:27

Cranial Bones: Lateral View

The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...
Cranial Bones: Superior and Posterior View01:14

Cranial Bones: Superior and Posterior View

The superior view of the cranium shows the frontal and paired parietal bones.
The frontal bone is the single bone that forms the forehead. At its anterior midline, between the eyebrows, there is a slight depression called the glabella. The frontal bone also forms the supraorbital margin of the orbit. Near the middle of this margin is the supraorbital foramen, the opening that provides passage for a sensory nerve to the forehead. The frontal bone is thickened just above each supraorbital margin,...

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Related Experiment Video

Updated: May 26, 2026

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
07:26

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology

Published on: August 22, 2022

An unusual complex odontoma.

Rama Mohan Kodali, B Venkat Suresh, P Ramanjaneya Raju

    Journal of Maxillofacial and Oral Surgery
    |December 23, 2011
    PubMed
    Summary

    Complex odontomas are rare dental growths composed of all tooth tissues, usually asymptomatic. This case highlights an unusually large complex odontoma causing pain and impacting molar eruption.

    Area of Science:

    • Dentistry
    • Oral Pathology
    • Odontogenic Tumors

    Background:

    • Odontomas are benign odontogenic tumors characterized by disorganized enamel and dentin formation.
    • Complex odontomas, a subtype, present as a solid mass of dental tissues lacking normal tooth morphology.
    • Typically asymptomatic, they are often discovered incidentally during routine dental examinations or investigations for delayed tooth eruption.

    Observation:

    • A case report detailing an unusually large complex odontoma.
    • The odontoma was associated with significant clinical symptoms, including pain.
    • Radiographic and clinical examination revealed an impacted and congenitally missing molar adjacent to the lesion.

    Findings:

    • Histopathological examination confirmed the diagnosis of a complex odontoma, showing normal histodifferentiation but abnormal morphodifferentiation.
    Keywords:
    Complex odontomeCompoundEruptingImpacted toothInfectedOdontoma

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    Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
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  • The large size and symptomatic nature of this complex odontoma are atypical.
  • The association with a painful impacted and missing molar underscores potential complications.

    • Implications:

    • This case expands the understanding of complex odontoma presentation, emphasizing that they can be symptomatic and unusually large.
    • Highlights the importance of thorough dental evaluations for unexplained pain or eruption disturbances.
    • Suggests a potential link between large complex odontomas and adjacent dental anomalies, warranting further investigation.