Difference between revisions of "Gingiva"

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Gingiva wrap around the neck of each tooth forming the gums. The gums are useful clinically in assessing health status of an animal.
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==Introduction==
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[[File:Mucogingival junction.jpg|200px|right|thumb|Mucogingival junction]]
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[[Image:Labiogingival Groove Histology.jpg|thumb|right|250px|Labiogingival Groove Histology - Copyright RVC 2008]]
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Gingiva is the oral mucosa surrounding the neck of each tooth forming the gums.
  
 
==Structure and Function of the Gingiva==
 
==Structure and Function of the Gingiva==
  
*Mucosal tissue over [[Alveolar Bone|alveolar bone]]
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Gingiva is mucosal tissue over [[Tooth - Anatomy & Physiology#Alveolar Bone|alveolar bone]]. It has a stratified squamous epithelium, with some keratinisation. It resists friction of food during [[Mastication|mastication]] by being tightly bound to the underlying bone. It recedes with age, exposing the cervical part of the tooth. It is usually salmon pink in healthy animals. A colour change indicates pathology.
  
*Resist friction of food during [[Mastication|mastication]] by being tightly bound to the underlying bone
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===Mucogingival junction===
  
*Recede with age exposing cervical part of tooth
 
  
*Usually salmon pink in healthy animals
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The '''mucogingival junction''' is the junction between the '''attached gingiva''' and '''the free alveolar mucosa'''
 
 
*Colour change indicates pathology
 
 
 
*Stratified squamous epithelium, some keratinisation
 
 
 
===Labiogingival groove===
 
[[Image:Labiogingival Groove Histology.jpg|thumb|right|100px|Labiogingival Groove Histology - Copyright RVC 2008]]
 
Labiogingival Groove is the junction between the labial border and gingival line on distal/medial surface of the incisor teeth.
 
  
 
==Vasculature and Innervation of the Gingiva==
 
==Vasculature and Innervation of the Gingiva==
  
*Superior and inferior alveolar arteries  
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The gingiva is supplied by the '''superior''' and '''inferior alveolar arteries'''.
 
 
*Blood vessels in the dental [[Pulp - Anatomy & Physiology|pulp cavity]] and a single branch in each major elevation of the [[Crown|crown]]
 
  
*From trigeminal nerve ([[Cranial Nerves - Anatomy & Physiology|CN V]])
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Innervation is from the '''trigeminal nerve''' ([[Cranial Nerves - Anatomy & Physiology|CN V]]).
  
 
==Species Differences==
 
==Species Differences==
  
 
===Canine===
 
===Canine===
*Some breeds of dog have dark gums, e.g. chow chow
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Some breeds of dog have dark gums, e.g. chow chow.
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==Histology==
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The '''labiogingival groove''' is the junction between the '''labial border''' and '''gingival line''' on the distal/medial surface of the incisor teeth.
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{{Learning
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|flashcards = [[Teeth and Gingiva Flashcards]]
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|powerpoints = [[Oral Cavity Histology resource|Histology tutorial on the oral cavity]]
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|Vetstream = [https://www.vetstream.com/canis/Content/Disease/dis00713.asp Gingival Enlargement]
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}}
  
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{{OpenPages}}
 
[[Category:Oral Cavity - Anatomy & Physiology]]
 
[[Category:Oral Cavity - Anatomy & Physiology]]
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[[Category:Dentistry]]

Latest revision as of 09:44, 7 May 2016


Introduction

Mucogingival junction
Labiogingival Groove Histology - Copyright RVC 2008

Gingiva is the oral mucosa surrounding the neck of each tooth forming the gums.

Structure and Function of the Gingiva

Gingiva is mucosal tissue over alveolar bone. It has a stratified squamous epithelium, with some keratinisation. It resists friction of food during mastication by being tightly bound to the underlying bone. It recedes with age, exposing the cervical part of the tooth. It is usually salmon pink in healthy animals. A colour change indicates pathology.

Mucogingival junction

The mucogingival junction is the junction between the attached gingiva and the free alveolar mucosa

Vasculature and Innervation of the Gingiva

The gingiva is supplied by the superior and inferior alveolar arteries.

Innervation is from the trigeminal nerve (CN V).

Species Differences

Canine

Some breeds of dog have dark gums, e.g. chow chow.

Histology

The labiogingival groove is the junction between the labial border and gingival line on the distal/medial surface of the incisor teeth.



Gingiva Learning Resources
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Vetstream
To reach the Vetstream content, please select
Canis, Felis, Lapis or Equis
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Flashcards
Test your knowledge using flashcard type questions
Teeth and Gingiva Flashcards
Category:Histology PowerPointsPowerPoint.png
PowerPoint
Selection of relevant PowerPoint tutorials
Histology tutorial on the oral cavity



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