Broiler hens may be debeaked, pigs may have deciduous teeth pulled, cattle may be dehorned and branded, dairy cows and sheep may have tails cropped, Merino sheep may undergo mulesing, and many types of male animals may be castrated.
42.
From the age of two-and-a-half until about six years, the deciduous teeth maintain stability, until a set of molars ( also called Six Year Molars ) appear in the lower jaw; these are the child s first permanent teeth.
43.
A study of hundreds of thousands of deciduous teeth, collected by Dr . Louise Reiss and her colleagues as part of the Baby Tooth Survey, found a large increase in 90 Sr levels in through the 1950s and early 1960s.
44.
For the deciduous teeth, the left and right central incisor would have the same letter, " A ", but the right one would have the symbol, " % ", underneath it, while the left one would have, " % ".
45.
A Russian Toy will often require the help of a veterinarian to remove any retained deciduous teeth ( known as " puppy teeth " or " baby teeth " ) that fail to fall out and make way for the permanent teeth.
46.
Common procedures performed by dental therapists include examination, prescribing and exposing intra and extra oral dental xrays, administration of local anaesthesia, preparation and restoration of carious lesions, pulpal therapies, extraction of deciduous teeth and preventive therapies such as fissure sealants and fluoride application.
47.
In 1958 the University launched the Baby Tooth Survey, led by Dr . Louise Reiss and with funding from the Greater St . Louis Citizen's Committee for Nuclear Information ( CNI ), which studied strontium-90 absorption of children by examining their deciduous teeth.
48.
The study's final results showed that children born in St . Louis, Missouri in 1963 had levels of 90 Sr in their deciduous teeth that was 50 times higher than that found in children born in 1950, before the advent of large-scale atomic testing.
49.
It is common to use stainless steel in many instruments that need to be sterilized, such as needles, endodontic files in root canal therapy, metal posts in root canal treated teeth, temporary crowns and crowns for deciduous teeth, and arch wires and brackets in orthodontics.
50.
The Taung Child was originally thought to have been about six years old at death, because of the presence of deciduous teeth; but it is now believed to have been about three or four, based on studies of rates of enamel deposition on the teeth.
