tooth bud การใช้

• Tooth gemination, in contrast to "'fusion "', arises when two teeth develop from one tooth bud.
• In humans, the tooth buds for the baby teeth are in the gums when a person is born.
• In mice, two classes of cells are generated which swathe the tooth buds in layers of dentin and enamel.
• During primary dentition, the tooth buds of permanent teeth develop below the primary teeth, close to the palate or tongue.
• The tooth bud ( sometimes called the tooth germ ) is an aggregation of alveolar bone around the roots of teeth.
• During primary dentition, the tooth buds of permanent teeth develop inferior to the primary teeth, close to the palate or tongue.
• Dilaceration is an abnormal bend found on a tooth, and is nearly always associated with trauma that moves the developing tooth bud.
• The removal of deciduous canine tooth buds in early childhood is a practice that has been documented in the Maasai of Kenya and Tanzania.
• They should be left in the mouth as long as possible to decrease the likelihood of removing permanent tooth buds with the natal tooth.
• This did not occur with the tooth buds in the treated chicks, presumably because birds have lost the ability to make these two substances.
• It usually occurs when children eat food or products that contain excessive fluoride while the tooth buds are developing or have not emerged into the mouth.
• Development of mysticetes indicate that they had a toothed ancestor, as the fetal baleen whale forms tooth buds which are later reabsorbed and do not develop any further.
• It is suggested that supernumerary teeth develop from a third tooth bud arising from the dental lamina near the regular tooth bud or possibly from splitting the regular tooth bud itself.
• It is suggested that supernumerary teeth develop from a third tooth bud arising from the dental lamina near the regular tooth bud or possibly from splitting the regular tooth bud itself.
• It is suggested that supernumerary teeth develop from a third tooth bud arising from the dental lamina near the regular tooth bud or possibly from splitting the regular tooth bud itself.
• Spelling the possible demise for the phrase " as scarce as hen's teeth, " a team of researchers at Harvard Medical School and elsewhere has succeeded in making chick embryos grow tooth buds.
• The tooth bud ( sometimes called the tooth germ ) is an aggregation of cells that eventually forms a tooth and is organized into three parts : the enamel organ, the dental papilla and the dental follicle.
• By inserting BMP4-laden beads into the jaw region of chick embryos, they showed that tooth buds would develop, Dr . Richard Maas and colleagues report in today's issue of the Proceedings of the National Academy of Sciences.
• In rural Kenya a group of 95 children aged between six months and two years were examined in 1991 / 92.87 % were found to have undergone the removal of one or more deciduous canine tooth buds.
• Cysts or tumors adjacent to a tooth bud are forces known to cause dilaceration, as are primary ( baby ) teeth pushed upward by trauma into the gingiva where it moves the tooth bud of the permanent tooth.