Mouth cutting, grinding, and chewing units {teeth, mouth}| can have roots, cementum, necks, gums, and crowns. Teeth are incisors, cuspids, bicuspids, and molars.
String {dental floss} can remove debris and bacteria from teeth.
toothpaste {dentifrice}.
People gain teeth sets {dentition} in sequence.
People can need replacement teeth {denture}|.
Upper teeth can not align with lower teeth {malocclusion}.
Front tooth can stick out {bucktooth}|.
Bacteria can form tooth film {calculus, teeth}|.
Bacteria can dissolve tooth enamel {cavity, teeth}|.
Bacteria can make layers {tartar}| on teeth.
Bacteria can dissolve tooth enamel {tooth decay}.
People have eight front teeth {incisor}|.
People have four cone-shaped teeth {canine teeth} {cuspid}|.
One pointed canine tooth {eyetooth}| is between incisor and premolar.
People have eight flattened two-pointed small teeth {pre-molar} {bicuspid}|.
People have twelve large flat teeth {molar, tooth}|. The first molars are six-year molars, behind baby teeth.
The last four molars {wisdom teeth}| {third molars} can be missing or embedded. Wisdom teeth appear at 17 to 21 years old.
People replace baby teeth with new sets {permanent tooth}|. People have 32 permanent teeth.
Children have first teeth sets {baby tooth}|. The 20 baby teeth include 8 incisors, 4 cuspids, and 8 bicuspids.
baby tooth {milk teeth}.
Teeth have parts {root, teeth} in jawbones, held with cementum.
Teeth roots are held in jawbone with glue {cementum}.
Teeth have inner layers {mesenchyme} with nerves.
Inner tooth {dental pulp} {pulp, teeth} has blood vessels and nerves.
Gums surround teeth bottoms {neck, teeth}.
Teeth necks are in flesh {gum, teeth}|.
Under enamel and in root is bone-like material {dentin} {dentyne}.
Teeth have parts {crown, teeth} above gums. Grass eaters have crowns that go below gums {hypsodonty}. Leaf eaters have crowns only over top.
Crowns have hard, smooth, and white layers {enamel, teeth}.
4-Zoology-Organ-Digestion-Parts
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Date Modified: 2022.0225