Bully pitbull puppies have a big cranium with wide jaws and a short maw. (snowyswan.com)
Both fast and slow nursers usually have periods of wide jaw movements along with some pauses. (nourishconsulting.net)
He found that certain tribes that never brushed or flossed had virtually no cavities or tooth decay, and everyone had perfectly straight teeth and wide jaw lines. (wellnessmama.com)