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Related Concept Videos

Cranial Bones: Lateral View01:27

Cranial Bones: Lateral View

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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...
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Tooth Anatomy01:21

Tooth Anatomy

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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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Teeth01:15

Teeth

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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...
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Nose and Nasal Cavity01:24

Nose and Nasal Cavity

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The nose is composed of an observable exterior segment (external nose) and an internal segment within the skull known as the nasal cavity (internal nose). The external nose, visible on the face, consists of a framework of bone and hyaline cartilage enveloped in skin and muscle and lined with a mucous membrane. This structure is supported by the frontal bone, nasal bones, and maxillary bone and is supplemented by a cartilaginous framework comprising the septal nasal cartilage, lateral nasal...
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Cranial Bones: Superior and Posterior View01:14

Cranial Bones: Superior and Posterior View

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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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Oral Cavity01:11

Oral Cavity

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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...
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Related Experiment Video

Updated: Apr 3, 2026

Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection
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Giant complex odontoma in maxillary sinus.

Adriano Rossini Carvalho Visioli1, Cléverson de Oliveira E Silva1, Fabiano Carlos Marson1

  • 1Masters Program in Prosthodontics, Ingá University (Uninga), Maringá, PR, Brazil.

Annals of Maxillofacial Surgery
|September 22, 2015
PubMed
Summary

This case report details a rare giant complex odontoma in the maxillary sinus, successfully treated with conservative surgical excision. This benign odontogenic tumor, often asymptomatic, can impact dental development and bone structure.

Keywords:
Computed tomographydiagnostic imagingodontogenic tumorsodontoma

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Dentistry
  • Pathology

Background:

  • Odontomas are benign odontogenic tumors, often asymptomatic, linked to dental anomalies and developmental disorders.
  • Etiology is multifactorial, potentially involving local trauma, infection, or genetic predispositions.
  • Odontomas are classified as compound or complex based on their structural presentation.

Observation:

  • A rare case of a giant complex odontoma within the maxillary sinus is presented.
  • The lesion presented as a well-defined tumefaction mass composed of mature dental tissues.
  • Diagnosis was confirmed through radiographic examination.

Findings:

  • Complete surgical excision of the giant complex odontoma was performed using a conservative approach.
  • The patient's treatment involved the removal of the maxillary sinus lesion.
  • Histopathological analysis confirmed the diagnosis of a complex odontoma.

Implications:

  • Highlights the importance of considering odontomas in the differential diagnosis of maxillary sinus masses.
  • Demonstrates the efficacy of conservative surgical excision for large odontomas in this location.
  • Contributes to understanding the clinical presentation and management of rare odontogenic tumors.