Jacket is called a crown, designed for a front tooth, which is usually made of porcelain laminate.

L
Laminate Veneer is the covering, either composite, or made or a porcelain, which is bonded in order to restore damaged or discolored teeth.
Local anesthesia is the kind of an anesthesia, with the help of which pain may be relieved in some localized area; while this, the person stays completely conscious.

M
Managed Care Plans are the types of planes, which restrict the level, frequency, as well as the type of treatment. Because of these plans the access to care and control of the level of service is limited.
Maryland Bridge is the name of a type of Bonded Bridge. The main difference of this kind of a tooth bridge from conventional bridges is that in the reduced amount of abutment preparation necessary. Therefore these are only the abutments’ lingual surfaces are reduced.
Micro Abrasion is the technique, which is free of drill, where an instrument, looking like a little sand blaster, which delivers tiny aluminum oxide particles to the teeth surfaces, is used.
Mouthguard is the name of a special soft – fitted device, which is designed with the aim of protecting teeth against any impact or injury.
Mucogingival Junction is called the meeting of thick gingival tissue, which has the protective function, around the teeth and the friable mucous lining of the lips and cheeks.
Mucosa is called the thin, outer membrane lining of pink or red color, which is located inside of the mouth cavity.

N
Nerve is the name of the tissue of many live organisms, through which the sensation, temperature and position information is conveyed directly to the brain.
Nerve Canal is called the dental pulp, also known as the internal chamber of a tooth.
Neuron is the name of a nerve cell.
Nightguard is the name of a removable device, made of acryl and with the aim of minimizing the effects of grinding (which is called bruxism) and problems, associated with it.
Non – Intravenous Conscious Anesthesia is the state of depressed consciousness of a person, which is controlled by medical professionals. During this condition, the patient’s airway, protective reflexes, as well as the ability to respond to verbal commands and / or stimulation is maintained. This type of anesthesia includes the administration of sedative and / or analgesic agents by any other route, except the intravenous, and of appropriate monitoring.
Novocain is the older brand name for a local anesthetic, which has been replaced by some safer and more effective agents nowadays.
NSAID is the abbreviation for non steroidal anti – inflammatory drug, which is often used by dentists as an analgesic.