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  Overshot

 

Common names or abbreviations:

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Malocclusion

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Overbite

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Overshot

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Parrot mouth

Description or definition:

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Malocclusion refers to an abnormal tooth alignment. Over bite (parrot mouth, over shot, class two, over jet, mandibular brachygnathism) occurs when the lower jaw is shorter than the upper. There may be a gap between the upper and lower incisors when the mouth is closed. The upper premolars are displaced at least twenty-five percent toward the front, compared to the lower premolars. An over bite malocclusion is never considered normal in any breed and is a genetic fault. The most commonly affected breeds are those with elongated muzzles (Collies, Shelties, Dachshunds, and Russian Wolfhounds).

Open bite - incisors do not meet

 

Normally, the lower canine
should intersect the upper
lateral incisor and upper canine

 

Normal scissors bite, notice the midline of the upper and lower jaws are aligned.

 

Links to sites about this disease:

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http://www.dentalvet.com/patients/orthodontics/pet_orthodontics.htm

This summary provided by:

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Sonjia 

Special thanks to Dr. Bellows for allowing us to copy 
this information from the All Pets Dental Clinic website.
Copyright 1997-2000, All Pets Dental Clinic
     Jan Bellows, DVM
     All Pets Dental Clinic
     17100 Arvida Parkway
     Weston, FL 33326
     (954) 349-5800
     dentalvet@aol.com

 

 

 

Dedicated to improving the health of ISSR Shiloh Shepherds.

 


Copyright © 1998 - 2009. Shiloh Shepherd Dog™ Club of America.
All rights reserved. Revised: January 2008

The information on this website was written by ISSR breeders and other concerned individuals, however we are are NOT veterinarians. This information is being provided as a general overview, from information we were able to find about each disease through our own research. These summaries are not intended to be relied upon as medical or veterinary advice, nor do we consider ourselves experts in the veterinary field or in any of these conditions. While we do our best to provide the most up to date information, new research is constantly being done on these diseases. We recommend that you do further study and talk to your veterinarian on any topics you see here, as we cannot guarantee that the information posted here is the most current information available.  This site was originally designed and maintained by Debbie Knatz.