Difference between revisions of "Abnormal Wear of Teeth"

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*Abnormal wear of [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|teeth]] in herbivores may result from irregular grinding of molars as well as from periodontal disease.  
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*Abnormal wear of [[:Category:Teeth - Anatomy & Physiology|teeth]] in herbivores may result from irregular grinding of molars as well as from periodontal disease.  
*Sharp edges usually form on the lingual aspect of the mandibular [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|teeth]] and the buccal aspects of the maxillary molars and may cause quite severe oral lacerations.  
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*Sharp edges usually form on the lingual aspect of the mandibular [[:Category:Teeth - Anatomy & Physiology|teeth]] and the buccal aspects of the maxillary molars and may cause quite severe oral lacerations.  
 
**The condition is sometimes known as “'''shear mouth'''”.  
 
**The condition is sometimes known as “'''shear mouth'''”.  
  
*Malocclusion of [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|teeth]] may be acquired as a result of trauma and loss or displacement of [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|teeth]].
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*Malocclusion of [[:Category:Teeth - Anatomy & Physiology|teeth]] may be acquired as a result of trauma and loss or displacement of [[:Category:Teeth - Anatomy & Physiology|teeth]].
*It is particularly important in those teeth which continue to grow excessive growth, interference with prehension of food or even growth of the [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|tooth]] into adjacent structures.  
+
*It is particularly important in those teeth which continue to grow excessive growth, interference with prehension of food or even growth of the [[:Category:Teeth - Anatomy & Physiology|tooth]] into adjacent structures.  
*Malocclusions in dogs and cats may arise from retention of deciduous [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|teeth]] in the young animal.  
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*Malocclusions in dogs and cats may arise from retention of deciduous [[:Category:Teeth - Anatomy & Physiology|teeth]] in the young animal.  
  
*Malocclusion of [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|teeth]] may also occur as a result of malformations of the jaws. The terminology used for these is rather confusing and the following should assist:
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*Malocclusion of [[:Category:Teeth - Anatomy & Physiology|teeth]] may also occur as a result of malformations of the jaws. The terminology used for these is rather confusing and the following should assist:
 
**'''Prognathism''' is an abnormally long lower jaw.  
 
**'''Prognathism''' is an abnormally long lower jaw.  
 
**A similar effect is produced by '''brachygnathia superior''' (ie short maxilla). Both conditions may be referred to as ''undershot jaw''.  
 
**A similar effect is produced by '''brachygnathia superior''' (ie short maxilla). Both conditions may be referred to as ''undershot jaw''.  

Revision as of 16:49, 3 September 2010

  • Abnormal wear of teeth in herbivores may result from irregular grinding of molars as well as from periodontal disease.
  • Sharp edges usually form on the lingual aspect of the mandibular teeth and the buccal aspects of the maxillary molars and may cause quite severe oral lacerations.
    • The condition is sometimes known as “shear mouth”.
  • Malocclusion of teeth may be acquired as a result of trauma and loss or displacement of teeth.
  • It is particularly important in those teeth which continue to grow excessive growth, interference with prehension of food or even growth of the tooth into adjacent structures.
  • Malocclusions in dogs and cats may arise from retention of deciduous teeth in the young animal.
  • Malocclusion of teeth may also occur as a result of malformations of the jaws. The terminology used for these is rather confusing and the following should assist:
    • Prognathism is an abnormally long lower jaw.
    • A similar effect is produced by brachygnathia superior (ie short maxilla). Both conditions may be referred to as undershot jaw.
      • A typical breed affected is the Boxer.
    • Retrognathism is an unusually short lower jaw. This may also be called brachygnathia inferior (i.e. short mandible). The condition is referred to as overshot jaw or parrot mouth.
      • Typical breeds affected are the Borzoi or Rough Collie.