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Related Concept Videos

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.
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Bone Cells and Tissue01:30

Bone Cells and Tissue

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Bones contain a relatively small number of cells entrenched in a matrix of organic and inorganic components. Although bone cells compose only a small amount of the bone volume, they are crucial to its function. Four types of cells are found within the bone tissue— osteoblasts, osteocytes, osteogenic cells, and osteoclasts.
Osteoblasts and Osteocytes
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Osteoclasts in Bone Remodeling01:31

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Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during...
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Bone Formation by Intramembranous Ossification01:29

Bone Formation by Intramembranous Ossification

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Intramembranous ossification is one of the two processes involved in the development of bones within an embryo. The flat bones of the face, most of the cranial bones, and the clavicles are formed via this process. During intramembranous ossification, the bones develop directly from sheets of undifferentiated mesenchymal connective tissue.
The process begins when mesenchymal cells in the embryonic skeleton gather together and differentiate into osteogenic cells, which then develop into ...
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Bone Formation by Endochondral Ossification01:24

Bone Formation by Endochondral Ossification

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Bone formation, or ossification, begins around the sixth to seventh week of embryonic development. Most bones develop from a cartilaginous template through the process of endochondral ossification. Cartilage formation begins when clusters of mesenchymal cells differentiate into chondrocytes. These chondrocytes proliferate rapidly and secrete an extracellular matrix that becomes encased in a membrane called the perichondrium. The resulting cartilage model provides a template that resembles the...
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Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
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Cementoblastoma Relating to Right Mandibular Second Primary Molar.

Sivakumar Nuvvula1, Swapna Manepalli1, Abinash Mohapatra1

  • 1Department of Paedodontics and Preventive Dentistry, Narayana Dental College, Nellore, Andhra Pradesh 524003, India.

Case Reports in Dentistry
|October 15, 2016
PubMed
Summary

A rare cementoblastoma, a benign odontogenic tumor, was found in a 7-year-old girl

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Area of Science:

  • Oral Pathology
  • Pediatric Dentistry
  • Odontogenic Tumors

Background:

  • Cementoblastoma is a rare, benign odontogenic tumor originating from ectomesenchymal cells.
  • Occurrence in primary dentition is exceptionally uncommon.

Purpose of the Study:

  • To report a rare case of cementoblastoma affecting primary dentition.
  • To describe the clinical, radiographic, and histopathological features of this lesion.

Main Methods:

  • A case study of a 7-year-old girl with a cementoblastoma.
  • Diagnostic methods included panoramic radiography and histopathological evaluation.
  • Surgical excision and follow-up were performed.

Main Results:

  • A well-defined, radiopaque lesion with a radiolucent border was identified.
  • Histopathology revealed irregular mineralized trabeculae with blast cells.
  • No recurrence was observed at six months post-excision.

Conclusions:

  • Cementoblastoma, though rare, can occur in primary teeth.
  • Complete surgical excision is an effective treatment.
  • Regular follow-up is crucial for monitoring recurrence.