Headphones that go over your ears can also damage your hearing if you use them too long or play music too loudly. They're just not as much of a risk as earbuds are: Having the source of the sound in your ear canal can increase a sound's volume by 6 to 9 decibels â enough to cause some serious problems.
Dental hand instruments. Instruments used for examining the mouth and teeth. Mouth mirrors are used to examine the condition of the teeth and mouth, as well as to retract the tongue and cheeks upon examination. Probesâ There are many probes available but the main types are the straight probe, Briault probe and periodontal probe.
Dental caps are dental crowns are made from the same porcelain material. Two different types of porcelain materials can be used in this regard; the felspathic porcelain and the pressed ceramic porcelain. The felspathic porcelain is the oldest form of material being used; it has been around for more than 20 years now.