Dentistry

Dentistry is the "evaluation, diagnosis, prevention and/or treatment (nonsurgical, surgical or related procedures) of diseases, disorders and/or conditions of the oral cavity, maxillofacial area and/or the adjacent and associated structures and their impact on the human body". Those in the practice of dentistry are known as dentists. Other people aiding in oral health service include dental assistants, dental hygienists, dental technicians, and dental therapists.

History

Evidence of ancient dentistry has recently been found in a Neolithic graveyard in Pakistan. Teeth dating from around 7000 to 5500 BC show evidence of holes from dental drills. The teeth were found in people of the Indus Valley Civilization. A Sumerian text from 5000 BC describes a "tooth worm" as the cause of dental caries. Evidence of this belief has also been found in ancient India, Egypt, Japan, and China. The legend of the worm is also found in the writings of Homer, and as late as the 1300s AD the surgeon Guy de Chauliac still promoted the belief that worms cause tooth decay.

The Edwin Smith Papyrus, written in the 17th century BC but which may reflect previous manuscripts from as early as 3000 BC, includes the treatment of several dental ailments. In the 18th century BC, the Code of Hammurabi referenced dental extraction twice as it related to punishment. Examination of the remains of some ancient Egyptians and Greco-Romans reveals early attempts at dental prosthetics and surgery.

Dental education

The Baltimore College of Dental Surgery, the first dental school in the world, opened in Baltimore, Maryland in 1840, and in 1867 Harvard Dental School became the first dental school affiliated with a university.

Accreditation and licensing

n England, the 1878 British Dentists Act and 1879 Dentists Register limited the title of "dentist" and "dental surgeon" to qualified and registered practitioners. The practice of dentistry in the United Kingdom became fully regulated with the 1921 Dentists Act, which required the registration of anyone practicing dentistry. The British Dental Association, formed in 1880 with Sir John Tomes as president, played a major role in prosecuting dentists practicing illegally.[16] A dentist is a healthcare professional qualified to practice dentistry after graduating with a degree of either Doctor of Dental Surgery (DDS), Doctor of Dental Medicine (DMD), Bachelor of Dentistry (BDent), Bachelor of Dental Science (BDSc), or Bachelor of Dental Surgery/Chirurgiae (BDS) or (BChD) or equivalent. In most western countries, to become a qualified dentist one must usually complete at least 4 years of postgraduate study[citation needed]. Generally, 2 years of clinical experience working with patients in an educational setting are required.

General dentistry

General practitioners of dentistry prevent, evaluate, diagnose, and treat diseases of the oral cavity and associated structures (e.g. the temporomandibular joint), as well as maintain the functionality and esthetics of the teeth and associated tissues and structures. They can prescribe medication, x-rays, and devices for home or in-office use. Many oral diseases (such as bilateral odontogenic keratocysts) and abnormalities (such as several unerupted teeth) can indicate systemic, neural, or other diseases. A general practitioner may refer patients to a physician or a specialist for further evaluation, or vice versa for treatment.

Specialities

In addition to general dentistry, there are 9 recognized dental specialties in the US, Canada, and Australia. To become a specialist requires one to train in a residency or advanced graduate training program. Once residency is completed, the doctor is granted a certificate of specialty training. Many specialty programs have optional or required advanced degrees such as (MD/MBBS specific to Maxillofacial Surgery), MS, or PhD.

* Dental public health (study of dental epidemiology and social health policies),
* Endodontics (root canal therapy and study of diseases of the dental pulp),
* Oral and Maxillofacial Pathology (study, diagnosis, and sometimes the treatment of oral and maxillofacial related diseases),
* Oral and Maxillofacial Radiology (study and radiologic interpretation of oral and maxillofacial diseases),
* Oral and Maxillofacial Surgery (extractions, implants, and facial surgery),
* Orthodontics and Dentofacial Orthopaedics (straightening of teeth and modification of midface and mandibular growth),
* Periodontics (study and treatment of diseases of the periodontium (non-surgical and surgical), and placement and maintenance of dental implants),
* Pediatric Dentistry (i.e. dentistry for children, formerly known as "pedodontics"),
* Prosthodontics (dentures, bridges and the restoration of implants. Some prosthodontists further their training in "oral and maxillofacial prosthodontics"--a discipline concerned with the replacement of missing facial structures--such as ears, eyes, nose, etc.)

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