If The Crown was 27 Dresses, Elizabeth would be Katherine Heigl's character: high-strung, martyr complex, unable to relinquish control, stickler for the rules at all costs. Margaret's the fun sister played by Malin Akerman: a bit irresponsible, flirty, feisty, and determined to be the life of the party.
Although cassia oil can be a skin irritant, it does have some good properties and this warm exotic oil is more than just a fragrant oil, as it can be used in fever, chills and for supporting the digestive system. Cassia oil has a warm pungent smell.
Usually your breathe will smell sick and you will have a bad taste if you have infection. Yes, infection could cause pain in your other teeth, jaw, side and back of neck. If you have deep roots on the top teeth it could cause sinus pain which would also be in the back of the neck as there is a sinus cavity there.