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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...
Tonsillitis II: Management01:26

Tonsillitis II: Management

This lesson will focus on the different treatment options for managing tonsillitis, which typically depend on the cause and severity.
Tonsillitis I: Introduction01:30

Tonsillitis I: Introduction

Tonsillitis is inflammation of the tonsils, which are two lymphoid tissue masses at the back of the throat. This condition can cause discomfort and irritation in the throat.
Etiology
Three primary contributing factors have been identified.
Epistaxis01:30

Epistaxis

Epistaxis, or nosebleeds, occurs when small, swollen blood vessels in the nasal mucous membrane rupture. Typically, the anterior septum is the primary site of occurrence.
Etiology
Possible causes of this condition include high blood pressure, trauma, low humidity, upper respiratory tract infections, allergies, foreign bodies, nasal inhalation of corticosteroids or illicit drugs, excessive use of decongestant nasal sprays, facial or nasal surgery, anatomic malformation, tumors, or systemic...

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Related Experiment Video

Updated: May 9, 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 toothache!].

E Cherif1, L Ben Hassine, S Azzabi

  • 1Service de médecine interne B, hôpital Charles-Nicolle, faculté de médecine de Tunis, université de Tunis El Manar, boulevard du 9-Avril-1938, Tunis, Tunisia. eyacherif@yahoo.fr

Revue De Stomatologie, De Chirurgie Maxillo-Faciale Et De Chirurgie Orale
|July 11, 2013
PubMed
Summary
This summary is machine-generated.

Atypical dental pain in a patient led to the discovery of a mandibular tumor. This tumor revealed a rare case of multiple myeloma, highlighting the importance of investigating bone lesions.

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Area of Science:

  • Oral medicine
  • Hematology
  • Oncology

Background:

  • Dental pain can stem from non-odontogenic sources, complicating diagnosis.
  • Investigating persistent dental pain is crucial for identifying underlying systemic conditions.
  • Mandibular tumors can present as atypical dental pain, necessitating thorough evaluation.

Observation:

  • A 50-year-old female presented with 3 months of dental pain and bilateral mandibular swelling.
  • Radiological imaging showed a mandibular tumor with osteolytic lesions.
  • Pathological examination confirmed plasmacytic proliferation.

Findings:

  • The patient was diagnosed with multiple myeloma with kappa light chains.
  • Mandibular plasmacytoma was the presenting sign of the systemic blood disorder.
  • Osteolytic lesions in the mandible were indicative of the underlying malignancy.

Implications:

  • Mandibular tumors with lytic lesions warrant etiological assessment for systemic diseases like multiple myeloma.
  • A mandibular plasmacytoma can be an isolated finding or a manifestation of multiple myeloma.
  • Bone involvement in plasmacytoma is associated with a poorer prognosis in multiple myeloma patients.