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.
1 Bonding: this is the name given to the procedure in which a type of resin is used as a âglueâ to stick a material, such as a veneer to a tooth. Often used to treat stained or damaged teeth.  Oral (mouth) and Maxillofacial treatments: this is the technical term used to describe procedures for the mouth, face and jaw.