1 Sometimes, the larger molars cause more discomfort due to their larger surface area that can't slice through the gum tissue as an erupting incisor is capable of doing.  Most children have a complete set of 20 deciduous teeth (known as baby teeth or milk teeth) by 30 months of age.
Nociceptive, or somatic, pain is the common discomfort we have all experienced as a result of injury -- a paper cut, a broken bone, or appendicitis, among other things. Somatic pain makes sense to us; we can understand the patient's pain.
Promotional messages the recipient is not aware of, such as those played at very low volume or flashed on a screen for less than a second. Its effectiveness is not supported by scientific evidence, and its use is considered a deceptive business practice in some jurisdictions. Some companies will use subliminal advertising to get you thinking about their product when you don't realize you are doing it.