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Related Concept Videos

The Hyoid Bone01:12

The Hyoid Bone

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The hyoid bone is a small U-shaped bone located in the upper neck at the level of the inferior mandible, with its tips pointing posteriorly. It does not directly articulate with any other bone in the body. The hyoid acts as the attachment site for the tongue, the larynx, and the pharynx. It is held in position by a series of small muscles attached from above or below. These muscles help to move the hyoid up/down or forward/back in coordination with movements of the tongue, larynx, and pharynx...
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Structural Joints: Synovial Joints01:16

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Synovial joints are the most common type of joint in the body. A key structural characteristic for a synovial joint is the presence of a joint cavity. This fluid-filled space is where the articulating surfaces of the bones contact each other. Also, unlike fibrous or cartilaginous joints, the articulating bone surfaces at a synovial joint are not directly connected to each other with fibrous connective tissue or cartilage. This gives the bones of a synovial joint the ability to move smoothly...
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Structural Joints: Fibrous Joints01:03

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Fibrous joints are a type of joint where the bones are connected by fibrous connective tissue. These joints provide stability and minimal to no movement between the articulating bones. There are three types of fibrous joints.
Suture
All the bones of the skull, except for the mandible, are joined to each other by a fibrous joint called a suture. The fibrous connective tissue found at a suture strongly unites the adjacent skull bones and thus helps to protect the brain and form the face. In...
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Structural Joints: Cartilaginous Joints01:17

Structural Joints: Cartilaginous Joints

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As the name indicates, at a cartilaginous joint, the adjacent bones are united by cartilage, a tough but flexible type of connective tissue. Unlike synovial joints, these types of joints lack a joint cavity and involve bones joined together by either hyaline cartilage or fibrocartilage.
There are two types of cartilaginous joints:
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A synchondrosis ("joined by cartilage") is a cartilaginous joint where bones are connected by hyaline cartilage. Synchondrosis may be temporary...
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Joints01:26

Joints

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Joints, also called articulations or articular surfaces, are points at which ligaments or other tissues connect adjacent bones. Joints permit movement and stability, and can be classified based on their structure or function.
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Fibrous Joints Are Immovable
The bones of a...
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Introduction to Joints00:58

Introduction to Joints

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The adult human body usually has 206 bones, and except for the hyoid bone in the neck, each bone is connected to at least one other bone. Joints are the location where bones come together. Many joints allow for movement between the bones. At these joints, the articulating surfaces of the adjacent bones can move smoothly against each other. However, the bones of other joints may be joined by connective tissue or cartilage. These joints are designed for stability and provide little or no...
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Hyoid bone syndrome masquerading as temporomandibular joint dysfunction.

Anson Jose1, Shakil Ahmed Nagori2, Saurabh Arya3

  • 1Faculty, Division of Oral and Maxillofacial Surgery, Army Dental Centre (Research & Referral), New Delhi-10, India.

The British Journal of Oral & Maxillofacial Surgery
|May 6, 2019
PubMed
Summary

Hyoid bone syndrome, a cause of cervicofacial pain, involves degeneration of the hyoid bone. Steroid injections at the hyoid bone effectively resolved temporomandibular joint pain in four patients.

Keywords:
Facial painHyoid boneSteroids

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Pain Management
  • Anatomy

Background:

  • Hyoid bone syndrome is a cervicofacial pain condition linked to the degeneration of the hyoid bone's greater cornu at the stylohyoid ligament attachment.
  • Temporomandibular joint (TMJ) pain can originate from hyoid bone issues, often presenting as deep, dull, aching pain.
  • Conservative treatments frequently fail to alleviate pain associated with hyoid bone syndrome.

Observation:

  • Four patients presented with persistent TMJ pain radiating from the hyoid bone's greater cornu.
  • Diagnostic methods included local anesthetic blocks and digital palpation of the hyoid bone's greater cornu.
  • Symptoms were refractory to conventional pain management strategies.

Findings:

  • Methylprednisolone injections (40 mg/ml) administered at the greater cornu of the hyoid bone led to complete symptom resolution in all four patients.
  • No postoperative complications were reported following the methylprednisolone injections.
  • The treatment demonstrated significant efficacy in managing hyoid bone syndrome-related pain.

Implications:

  • Oral and maxillofacial surgeons should include hyoid bone syndrome in their differential diagnosis for orofacial pain.
  • This condition, though less documented, is a crucial consideration for temporomandibular disorders.
  • Targeted corticosteroid injections offer a viable and effective treatment for refractory hyoid bone syndrome.