Introduction to Dentistry
Introduction to Dentistry
Dr.Suhail Latoo
Dept. Oral & Maxillofacial Pathology
Govt. Dental College & hospital, Srinagar
Dr.Altaf H Malik
Dept. Oral & Maxillofacial Surgery
Govt. Dental College & hospital, Srinagar
Dr.Ravinder Kumar Bhagat
Dept. Conservative dentistry and Endodontics
Govt. Dental College & hospital, Srinagar
Dr. Khalid Amin
Dept. Conservative dentistry and Endodontics
Govt. Dental College & hospital, Srinagar
Introduction
Dentistry, which is a part of stomatology, is the branch of medicine that is involved in the evaluation, diagnosis, prevention, and surgical or non-surgical treatment of diseases, disorders and conditions of the oral cavity, maxillofacial area and the adjacent and associated structures and their impact on the human body.[1,2] Dentistry is widely considered necessary for complete overall health. Those who practice dentistry are known as dentists. The dentist's supporting team aides in providing oral health services, which includes dental assistants, dental hygienists, dental technicians, and dental therapists.
Dental Surgery and Treatments
Dentistry usually encompasses very important practices related to the oral cavity. Oral diseases are major public health problems due to their high incidence and prevalence across the globe with the disadvantaged affected more than other socio-economic groups.[3]
Although modern day dental practice centres around prevention, many treatments or interventions are still needed. The majority of dental treatments are carried out to prevent or treat the two most common oral diseases which are dental caries (tooth decay) and periodontal disease (gum disease or pyorrhea). Common treatments involve the restoration of teeth as a treatment for dental caries (fillings), extraction or surgical removal of teeth which cannot be restored, scaling of teeth to treat periodontal problems and endodontic root canal treatment to treat abscessed teeth.
All dentists train for around 4 or 5 years at University and qualify as a 'dental surgeon'. By nature of their general training they can carry out the majority of dental treatments such as restorative (fillings, crowns, bridges), prosthetic (dentures), endodontic (root canal) therapy,periodontal (gum) therapy, and exodontia (extraction of teeth), as well as performing examinations, radiographs (x-rays) and diagnosis. Dentists can also prescribe certain medications such as antibiotics, fluorides, and sedatives but they are not able to prescribe the full range that physicians can.
Dentists need to take additional qualifications or training to carry out more complex treatments such as sedation, oral and maxillofacial surgery, and implants. Whilst the majority of oral diseases are unique and self limiting, some can indicate poor general health,tumours,blood dyscrasias and abnormalities including genetic problems.
Prevention
Dentists also encourage prevention of dental caries through proper hygiene (tooth brushing and flossing), fluoride, and tooth polishing. Dental sealants are plastic materials applied to one or more teeth, for the intended purpose of preventing dental caries (cavities) or other forms of tooth decay. Recognized but less conventional preventive agents include xylitol, which is bacteriostatic,[4] casein derivatives,[5] and proprietary products such as Cavistat BasicMints.[6]
Education and licensing
The first dental school, Baltimore College of Dental Surgery, opened in Baltimore, Maryland, USA in 1840. Philadelphia Dental College was founded in 1863 and is the second in the United States. In 1907 Temple University accepted a bid to incorporate the school.
Studies showed that dentists graduated from different countries,[7] or even from different dental schools in one country,[8] may have different clinical decisions for the same clinical condition. For example, dentists graduated from Israeli dental schools may recommend more often for the removal of asymptomatic impacted third molar (wisdom teeth) than dentists graduated from Latin American or Eastern European dental schools.[9]
In the United Kingdom of Great Britain and Ireland, the 1878 British Dentists Act and 1879 Dentists Register limited the title of "dentist" and "dental surgeon" to qualified and registered practitioners.[10][11] However, others could legally describe themselves as "dental experts" or "dental consultants".[12] The practice of dentistry in the United Kingdom became fully regulated with the 1921 Dentists Act, which required the registration of anyone practicing dentistry.[13] The British Dental Association, formed in 1880 with Sir John Tomes as president, played a major role in prosecuting dentists practising illegally.[10]
In Korea, Taiwan, Japan, Sweden, Germany, the United States, and Canada, a dentist is a healthcare professional qualified to practice dentistry after graduating with a degree of either Doctor of Dental Surgery (DDS) or Doctor of Dental Medicine (DMD). This is equivalent to the Bachelor of Dental Surgery/Baccalaureus Dentalis Chirurgiae (BDS, BDent, BChD, BDSc) that is awarded in the UK and British Commonwealth countries. In most western countries, to become a qualified dentist one must usually complete at least 4 years of postgraduate study[citation needed]; within the European Union the education has to be at least 5 years. Dentists usually complete between 5 to 8 years of post-secondary education before practising. Though not mandatory, many dentists choose to complete an internship or residency focusing on specific aspects of dental care after they have received their dental degree.
History
The Indus Valley Civilization has yielded evidence of dentistry being practiced as far back as 7000 BC.[14] This earliest form of dentistry involved curing tooth related disorders with bow drills operated, perhaps, by skilled bead craftsmen.[15] The reconstruction of this ancient form of dentistry showed that the methods used were reliable and effective.[16]
A Sumerian text from 5000 BC describes a "tooth worm" as the cause of dental caries.[17] 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 14th century AD the surgeon Guy de Chauliac still promoted the belief that worms cause tooth decay.[18]
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.[19][20] In the 18th century BC, the Code of Hammurabi referenced dental extraction twice as it related to punishment.[21] Examination of the remains of some ancient Egyptians and Greco-Romans reveals early attempts at dental prosthetics and surgery.[22]
Ancient Greek scholars Hippocrates and Aristotle wrote about dentistry, including the eruption pattern of teeth, treating decayed teeth and gum disease, extracting teeth with forceps, and using wires to stabilize loose teeth and fractured jaws.[23] Some say the first use of dental appliances or bridges comes from the Etruscans from as early as 700 BC.[24] Further research suggested that 3000 B.C. In ancient Egypt, Hesi-Re is the first named "dentist" (greatest of the teeth). The Egyptians bind replacement teeth together with gold wire. Roman medical writer Cornelius Celsus wrote extensively of oral diseases as well as dental treatments such as narcotic-containing emollients and astringents.[25][26]
Historically, dental extractions have been used to treat a variety of illnesses. During the Middle Ages and throughout the 19th century, dentistry was not a profession in itself, and often dental procedures were performed by barbers or general physicians. Barbers usually limited their practice to extracting teeth which alleviated pain and associated chronic tooth infection. Instruments used for dental extractions date back several centuries. In the 14th century, Guy de Chauliac invented the dental pelican[27] (resembling a pelican's beak) which was used up until the late 18th century. The pelican was replaced by the dental key[27] which, in turn, was replaced by modern forceps in the 20th century.[citation needed]
The first book focused solely on dentistry was the "Artzney Buchlein" in 1530,[28] and the first dental textbook written in English was called "Operator for the Teeth" by Charles Allen in 1685.[11] It was between 1650 and 1800 that the science of modern dentistry developed. It is said that the 17th century French physician Pierre Fauchard started dentistry science as we know it today, and he has been named "the father of modern dentistry".[29] Among many of his developments were the extensive use of dental prosthesis, the introduction of dental fillings as a treatment for dental caries and the statement that sugar derivate acids such as tartaric acid are responsible for dental decay.
There has been a problem of quackery in the history of dentistry, and accusations of quackery among some dental practitioners persist today.[30]
References
1. "Dentist salary". Salary.com. Retrieved 30 May 2010.
2. Dentistry Definitions, hosted on the American Dental Association website. Page accessed 30 May 2010. This definition was adopted the association's House of Delegates in 1997.
3. The World Oral Health Report 2003: continuous improvement of oral health in the 21st century – the approach of the WHO Global Oral Health Programme
4. American Academy of Pediatric Dentistry. (2006) Policy on the Use of Xylitol in Caries Prevention.
5. Azarpazhooh, A.; Limeback, H. (1 July 2008). "Clinical Efficacy of Casein Derivatives: A Systematic Review of the Literature". The Journal of the American Dental Association (Am Dental Assoc) 139 (7): 915. PMID 18594077.
6. "Experimental chewy mint beats tooth decay". Dentistry.co.uk. 2008-04-09. Retrieved 2010-04-18.
7. Zadik Yehuda, Levin Liran (January 2008). "Clinical decision making in restorative dentistry, endodontics, and antibiotic prescription". J Dent Educ 72 (1): 81–6. PMID 18172239.
8. Zadik Yehuda, Levin Liran (April 2006). "Decision making of Hebrew University and Tel Aviv University Dental Schools graduates in every day dentistry--is there a difference?". J Isr Dent Assoc 23 (2): 19–23. PMID 16886872.
9. Zadik Yehuda, Levin Liran (April 2007). "Decision making of Israeli, East European, and South American dental school graduates in third molar surgery: is there a difference?". J Oral Maxillofac Surg 65 (4): 658–62. doi:10.1016/j.joms.2006.09.002. PMID 17368360. Retrieved 2008-07-16.
10. Gelbier, Stanley. 125 Years of Developments in Dentistry. British Dental Journal (2005); 199, 470-473. Page accessed 11 December 2007. The 1879 register is referred to as the "Dental Register".
11. The story of dentistry: Dental History Timeline, hosted on the British Dental Association website. Page accessed 2 March 2010.
12. "Failure of Act". The Glasgow Herald. 8 February 1955. Retrieved 2 March 2010.
13. History of Dental Surgery in Edinburgh, hosted on the Royal College of Surgeons of Edinburgh website. Page accessed 11 December 2007.
14. Coppa, A. et al. 2006. Early Neolithic tradition of dentistry. Nature. Volume 440. 6 April 2006.
15. BBC (2006). Stone age man used dentist drill.
16. MSNBC (2008). Dig uncovers ancient roots of dentistry.
17. History of Dentistry: Ancient Origins, hosted on the American Dental Association website. Page accessed 9 January 2007.
18. Suddick, Richard P. and Norman O. Harris. "Historical Perspectives of Oral Biology: A Series". Critical Reviews in Oral Biology and Medicine, 1(2), pages 135-151, 1990.
19. Arab, M. Sameh. Medicine in Ancient Egypt. Page accessed 15 December 2007.
20. Ancient Egyptian Dentistry, hosted on the University of Oklahoma website. Page accessed 15 December 2007.
21. Wilwerding, Terry. History of Dentistry, hosted on the Creighton University School of Dentistry website, page 4. Page accessed 15 December 2007.
22. "Medicine in Ancient Egypt 3". Arabworldbooks.com. Retrieved 2010-04-18.
23. History of Dentistry Ancient Origins[dead link]
24. History of Dentistry Research Page, Newsletter". Rcpsg.ac.uk. Retrieved 2010-04-18.
25."Dentistry - Skill And Superstition". Science.jrank.org. Retrieved 2010-04-18.
26. "Dental Treatment in the Ancient Times". Dentaltreatment.org.uk. Retrieved 2010-04-18.
27. "Antique Dental Instruments". Dmd.co.il. Retrieved 2010-04-18.
28.History of Dentistry Middle Ages[dead link]
29. History of Dentistry Articles[dead link]
30. Ring, Malvin E (1998). "Quackery in Dentistry -- Past and Present". Journal of the California Dental Association. Retrieved 21 March 2009.
Questions and Answers
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