The Chow Chow is a sturdily built dog, square in profile, with a broad skull and small, triangular, erect ears with rounded tips. The breed is known for a very dense double coat that is either smooth or rough. The fur is particularly thick in the neck area, giving it a distinctive ruff or mane appearance. Chow Chow with dark brown coat. A Chow Chow cream coat, the only dog breed with this distinctive bluish color in its lips and oral cavity. A Chow Chow puppy. The Chow Chow is a sturdily built dog, square in profile.
This could support a hormonal link, since canker sores also tend to occur among women during menstruation. Physical trauma such as accidentally biting the inside of your cheeks, a reaction to hot foods or beverages, or cuts made inside the mouth by braces or dental work can precede the appearance of a canker sore.
You may have a canker sore if you have: 1  A painful sore or sores inside your mouth -- on the tongue, on the soft palate (the back portion of the roof of your mouth), or inside your cheeks.nlike canker sores, cold sores are caused by a virus and are extremely contagious. Also, cold sores typically appear outside the mouth -- usually under the nose, around the lips, or under the chin -- while canker sores occur inside the mouth.