According to the breed standards, purebred dogs can have a variety of «bites» - the term for the position of the front top and bottom teeth in relation to each other. (raisingrascal.com)
The first tooth can vary but is usually a front bottom tooth that appears around six months of age. (newkidscenter.com)
Bottom teeth usually appear first, and then middle top teeth. (mypregnancyguide.com)