"Brachycephalic cats" refers to cats that have a specific head shape called brachycephaly. This means their heads are relatively short and wide compared to other cats. Full definition
Therefore, the purpose of this study was to establish CBCT scans as the ideal imaging modality for mesaticephalic and brachycephalic cats with dental disorders. (vetmed.ucdavis.edu)
As such, severely brachycephalic cats should not be bred from and every attempt should be made to breed cats with a conformation that is not detrimental to their health. (icatcare.org)