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Related Concept Videos

Accessory Structures of the Eye01:17

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Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
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Accessory Ducts of the Male Reproductive System01:25

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The male reproductive system is a complex network of organs and tissues that work together to produce and transport sperm. The epididymis, vasa deferens, ejaculatory ducts, and urethra are the accessory ducts involved in sperm maturation and transportation. These ducts play a critical role in the production and transportation of sperm from the testes to the urethra, where it is then released during ejaculation.
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Accessory Organs01:31

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Accessory organs are those that participate in the digestion of food but do not come into direct contact with it like the mouth, stomach, or intestine do. Accessory organs secrete enzymes into the digestive tract to facilitate the breakdown of food.
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Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
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Assessment of Airway, Skin Color, and Use of Accessory Muscles01:30

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A thorough assessment of respiratory health is paramount in clinical settings to identify and manage respiratory distress and ensure adequate oxygenation. This article elaborates on the critical aspects of respiratory evaluation, including airway assessment, skin color examination, and the observation of accessory muscle use, which are integral to effectively diagnosing and managing patients with respiratory conditions.
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Structural Classification of Joints01:20

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Joints, also known as articulations, are classified based on their structural characteristics, i.e., based on whether the articulating surfaces of the adjacent bones are directly connected by fibrous connective tissue or cartilage, or whether the articulating surfaces contact each other within a fluid-filled joint cavity. These differences serve to divide the joints of the body into three structural classifications.
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A new system for classifying accessory canal morphology.

H M A Ahmed1, P Neelakantan2, P M H Dummer3

  • 1Department of Restorative Dentistry, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia.

International Endodontic Journal
|June 22, 2017
PubMed
Summary
This summary is machine-generated.

Understanding complex root canal anatomy is crucial for successful endodontic treatment. This study introduces a new, simplified classification system for accessory canals to improve clinical practice and research.

Keywords:
accessory canal morphologyaccessory canalsclassification

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Area of Science:

  • Endodontics
  • Dental Anatomy

Background:

  • Root canal anatomy complexity directly impacts endodontic treatment success.
  • Variations include canal configuration, anomalies, and minor morphology like accessory canals and apical deltas.
  • Accessory canals and apical deltas are linked to pulp disease and treatment failures.

Purpose of the Study:

  • To address the lack of standardized definitions for accessory canal anatomy.
  • To introduce a new, simple classification system for accessory canal morphology.
  • To facilitate accurate description for research, clinical practice, and training.

Main Methods:

  • Review of existing literature on root canal anatomy.
  • Development of a novel classification system for accessory canals.
  • Proposal for standardized terminology and descriptive parameters.

Main Results:

  • Current definitions of accessory canals are inconsistent and confusing.
  • A new classification system is proposed to standardize their description.
  • The system aims to accurately describe the position and path of accessory canals.

Conclusions:

  • A standardized classification of accessory canal morphology is needed.
  • The proposed system offers a clear and simple approach for research and clinical use.
  • Improved understanding and classification of accessory canals can enhance endodontic outcomes.