The German Shepherd Head and Under Jaw
Date: Monday, October 04 @ 05:41:15 CDT
Topic: Rhosyn

The overall appearance of the head should be clean cut and fairly broad between the ears. The cheeks should form a very softly rounded curve and should not protrude.
The skull extends from the ears to the bridge of the nose; tapering gradually and evenly and blending without too pronounced a stop into a wedge-shaped, powerful muzzle.
In males, the width could be slightly greater; and in females slightly less than the length.
The top of the muzzle is straight, almost parallel to the forehead.
A muzzle which is too short, blunt, weak pointed, overlong or lacking in strength is undesirable.

Male Heads:

Noble, strong, masculine, very good ears, dark almond shaped eyes, very good mask.
Strong jaws, very good planes of skull / foreface

Female Heads:

Noble, strong, feminine, very good ears, dark almond shape eyes, very good mask.
Strong jaws, very good planes of skull / foreface

Weak underjaws.
The issue with weak underjaws is that there is no strength in the underjaw so their is insufficient room in the jaw bone for correct placement of teeth.
Below are photographs of two (2) heads which exhibit a good underjaw and a weak underjaw.

The problems of the weak underjaw can manifest into several problems. The first problem we think of is an overshot bite.

Overshot Bite:
Also known as parrot mouth: the upper jaw extends beyond the lower jaw, causing the upper teeth to overlap the lower teeth, preventing them from aligning snugly as they should be. An overshot bite can create difficulty grasping with the jaws and in severe cases, the growth of adult teeth can cause significant injury to the soft tissues of the roof of the dog's mouth. This makes it difficult to chew and often causes a reluctant eater.

Sometimes the bite is correct but with the narrowness of the top and bottom jaw then other problems become evident they are missing teeth and miss alignment of teeth. These two problems are now becoming evident from some of our major bloodlines and need to be watched and acted upon accordingly.
Missing and extra teeth are generally detected very early in a dog’s life and the appropriate action with regard to the affected animal is taken.

Detailed below are two photographs of two young animals one has correct alignment the other incorrect alignment. This problem can be generally overlooked as there is a tendency to be more focus on looking for correct bites and missing teeth.

This is a serious fault within the breed and should be addressed accordingly.

Another problem that is becoming evident is the underdeveloped P3's in the upper jaw. Below are two pictures of animals with a good size P3 and a small P3.
The first photo has the correct placement of teeth that interlock. The second photo also shows a weak lower jaw the lower teeth sit inside the top teeth.

We have seen that the firm refined and ennoble head with elongated but powerful jaw is suitable for the service dog but indeed on the other hand a too extreme refinement of the skull and elongation of the face must be avoided from consideration of serviceability. Exaggeration is bad in all circumstances. An over bred head and elongated jaw lacks strength. A long leverage for a jaw bone ceases to be useful it spoils, for it has become too weak for serious service. Dogs with such heads can no longer seize and hold fast and are unserviceable.

This article comes from RhosynGSD - Largest German Shepherd Dog Database in Australia

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