There are types that allow for sufficient movement of the dog's mouth, allowing it to pant, but not necessarily to drink or eat. (mypetneedsthat.com)
In addition to the points stated above, you need to pick those doors that will allow easy movement of the dog, in & out the kennel. (usbones.com)
But the authors warn that, given the relatively free and regular movement of dogs into and out of the UK from mainland Europe and importation from rescue charities under this scheme, this and other pathogens pose a significant threat to the UK canine population. (sciencedaily.com)