How do forensic scientists use hair?
Hair suitability for DNA examinations Nuclear DNA analysis can be done on human hairs. The trace section assists the DNA section by screening hairs and determining their suitability for DNA testing. A microscope is used to examine the root end of the hairs, in order to determine if they are suitable.
How do forensic technicians analyze hair?
The hair can be analyzed by determining the chemical makeup of the hair or extracting DNA from the hair follicle. Hair can also be analyzed through the use of a microscope or by simply comparing two or more hairs against one another.
Which field of forensic science applies to teeth?
Odontology can be used by the judicial system to help to solve crimes or identify victims. Also called forensic odontology or forensic dentistry, it is a branch of forensic science that involves the application of dental science to assist in a criminal investigation.
What is wrong with my teeth?
It could be cavities, worn tooth enamel or fillings, gum disease, fractured teeth, or exposed roots. Once your dentist figures out the problem, you might need a filling, a root canal, or treatment of your gums to replace tissue lost at the root.
Why are my teeth throbbing?
Throbbing tooth pain is a sign that you might have tooth damage. Tooth decay or a cavity can give you a toothache. Throbbing tooth pain can also happen if there is an infection in the tooth or in the gums surrounding it. Toothaches are typically caused by an infection or inflammation in the tooth.
When should I worry about my teeth?
The signs of dental decay, gum disease, or cavities are not always obvious. Bad breath and bleeding gums can both be signs of gum disease. If you notice white patches on your teeth or a tooth getting darker over time, consider seeing a dentist as you might have cavities or dental trauma.
Can yellow teeth turn white?
Yes, most stains can easily be lifted from the teeth with professional whitening treatments. The strength of our treatments help patients transform their smile to a dazzling white! It is important to note that internal stains are more difficult to remove.
Is it OK to drink water after brushing teeth at night?
But don’t use water. Wait at least half an hour after brushing your teeth to drink water or consume beverages.