Lets look at the human teeth, they are not flat.
There are two sets of teeth developed during life: the first, deciduous, or milk teeth; and the second, permanent teeth.
Deciduous teeth : In the first set are twenty teeth, ten in each jaw; four incisors, two canines (fangs), and four molars. The incisors are in the front center, a canine on each side and two molars on each side rear.
Permanent teeth: In the second set are thirty two teeth, sixteen in each jaw, four incisors, two canines (fangs), four premolars (bicuspids), and six molars. The incisors are in the front center, a canine on each side, two premolars on each side, and three molars on each side rear.
According to their shape and use teeth are divided into incisors, canines (fangs), premolars (bicuspids), and molars.
Incisors: They have a sharp cutting edge and are adapted for biting
food.
Canines: They have sharp, pointed edges, are longer than the
other teeth, and are used for tearing food. The ones in the upper jaw are
sometimes called eye teeth, and in the lower jaw, stomach teeth.
Premolars: They have a broad top with two cusps or points on
each crown. They have only one root. They are used for grinding food.
Molars: They have broad crowns with four small pointed projections
(cusps), and are used to crush food. Upper molars have three roots and
lower molars have two roots.
We have four kinds of teeth and each is adapted for its individual
role in mastication by comminuting our food.
They bite (cut), tear, grind, and crush, according to their shape.
Chewing is very important to dental health. The teeth set in alveoli or sockets, dense connecting tissue called gums or gingivae extends a little way into the sockets. The sockets are lined with periosteum, which connects with the gums and serves to attach the teeth to their sockets and as a source of nourishment. The teeth are made to rise and fall in their sockets as we chew, and this motion or massaging effect promotes circulation within the pulp tissues. Chewing well increases the circulation of nutrients and blood within the tooth promoting good dental health.
Bless you, Bob Lee.
http://www.second-opinions.co.uk/carn_herb_comparison.htmloozing on the muggy shore of the gulf coast
Bless you, Bob Lee
qec...@aol.com wrote:
If were were supposed to be meat eaters, why are our teeth so flat and our insestines so long?
l...@fbtc.net
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