An employee holds an artificial hand prosthesis during the Ottobock media day in Vienna, Austria October 23, 2018. Picture taken October 23, 2018. REUTERS/Leonhard Foeger 

A picture shows Pooh the cat using his two bionic legs in Sofia's Central Vet Clinic, Bulgaria, January 31, 2017. Picture taken on January 31, 2017. REUTERS/Stoyan Nenov 

Grecia the toucan, which lost most of his upper beak in an attack, eat with his new 3D-printed beak at Zoo Ave animal sanctuary in Alajuela, Costa Rica August 10, 2016. REUTERS/Juan Carlos Ulate TPX IMAGES OF THE DAY 

Grecia the toucan, which lost most of his upper beak in an attack, eat with his new 3D-printed beak at Zoo Ave animal sanctuary in Alajuela, Costa Rica August 10, 2016. REUTERS/Juan Carlos Ulate TPX IMAGES OF THE DAY

The prototype of "Smart Tooth" is installed in the mouth of a person during a trial session in a laboratory at the Department of Computer Science and Information Engineering at National Taiwan University in Taipei September 2, 2013. "Smart Tooth," which is about 1cm in length, is a sensor designed to be embedded in the artificial tooth in order to track people's daily habits like chewing, smoking, drinking, coughing or overeating. The sensor can detect mouth movements and the attached wires can send data to the researchers, according to Kelvin Li, a "Smart Tooth" researcher at the university. REUTERS/Pichi Chuang (TAIWAN - Tags: SCIENCE TECHNOLOGY EDUCATION HEALTH SOCIETY BUSINESS) 

Porcelain denture maker Cem Piskin demonstrates the adjustment of a Nobel Biocare aesthetic abutment on a moulding in his laboratory in Lausanne May 14, 2013. Nobel Biocare Holding AG is trying to regain its initial success after seeing its profits and image hit in recent years, as many European consumers stopped spending on cosmetic dentistry during the financial crisis and rivals pushed ahead with cheaper options. Picture taken May 14. To match story NOBELBIOCARE-TURNAROUND/ REUTERS/Denis Balibouse (SWITZERLAND - Tags: SCIENCE TECHNOLOGY HEALTH BUSINESS) 

William Mombo of Transport for London (TfL) searches along shelves of lost baggage received in the past two weeks at the TFL Lost Property Office (LPO) in central London February 14, 2013. It is estimated that over 15 million items of property have been found across the London transport network since 1933, when it was started. The LPO receives up to 1,500 items per day. Each item is sorted into categories, searched and catalogued. In cases where identification of the owner is obtained from the property, an email or postcard is sent to notify them of the find. On average, one in four items found on the network are restored to their owner. Items received range from the everyday (bags, clothes, glasses), though to the interesting (full suitcases, electronic devices, crutches and baby buggies) through to the downright bizarre (false teeth, breast implants, wedding dresses and a theatrical coffin). REUTERS/Toby Melville (BRITAIN - Tags: SOCIETY TRAVEL TRANSPORT) 

Shelves of lost baggage received in the past two weeks is stored at the Transport for London Lost Property Office (LPO) in central London February 14, 2013. It is estimated that over 15 million items of property have been found across the London transport network since 1933, when it was started. The LPO receives up to 1,500 items per day. Each item is sorted into categories, searched and catalogued. In cases where identification of the owner is obtained from the property, an email or postcard is sent to notify them of the find. On average, one in four items found on the network are restored to their owner. Items received range from the everyday (bags, clothes, glasses), though to the interesting (full suitcases, electronic devices, crutches and baby buggies) through to the downright bizarre (false teeth, breast implants, wedding dresses and a theatrical coffin). REUTERS/Toby Melville (BRITAIN - Tags: SOCIETY TRAVEL TRANSPORT) 

A cake and a set of false teeth are placed during an event dedicated to the 60th birthday of Russian President Vladimir Putin in Moscow October 7, 2012. President Putin turns 60 on Sunday, his grip on power weaker than in the past but under little immediate threat if the oil price stays high. The sign reads, "Gifts for Putin". REUTERS/Sergei Karpukhin (RUSSIA - Tags: POLITICS SOCIETY) 

A setup for a digital impression for a denture is pictured at the Hanover industrial fair in Hanover, April 23, 2012. The world's leading fair for industrial technology, with about 5,000 exhibitors from 69 nations, runs till April 27 with China as this year's partner country. REUTERS/Ina Fassbender (GERMANY - Tags: POLITICS) 

Artificial teeth and dentures are displayed by an Indian vendor at a roadside in Srinagar October 5, 2011. Not formally trained in dentistry, such vendors ply their trade on sheets by the road. The vendors charges approximately 100 rupees ($2.03) for work done per tooth. REUTERS/Fayaz Kabli (INDIAN-ADMINISTERD KASHMIR - Tags: HEALTH BUSINESS EMPLOYMENT SOCIETY TPX IMAGES OF THE DAY) 

A reveller takes part in the Christopher Street Day (CSD) parade in Cologne July 3, 2011. Several thousand revellers took part in the annual CSD parade in the western German city of Cologne to demonstrate for the rights of all lesbian, gay, bisexual, transgender and transsexual people and to commemorate clashes between gay people and U.S. police in New York City's Christopher Street in June 1969. REUTERS/Wolfgang Rattay (GERMANY - Tags: ENTERTAINMENT SOCIETY) 

Roadside dentist Mohammad Sharif works on a denture at his makeshift clinic in Karachi May 7, 2009. Treatment charges range from 600 rupees ($7.50) for a minor toothache to 3,000 rupees ($37.30) for a major surgery. The signs in the background promote dental hygiene. REUTERS/Athar Hussain (PAKISTAN HEALTH SOCIETY) 

Ramjee Sao,75, a roadside dentist and Hindu holy man, fixes the dentures prepared by him on a patient at his roadside clinic in the northern Indian city of Varanasi July 21, 2008. Sao said he provides a range of dental services from extractions, filling cavities and routine pain alleviation procedures to making and fitting a complete set of dentures. REUTERS/Jitendra Prakash (INDIA) 

Ramjee Sao, 75, a roadside dentist and Hindu holy man, fixes the dentures prepared by him on a patient at his roadside clinic in the northern Indian city of Varanasi July 21, 2008. Sao said he provides a range of dental services from extractions, filling cavities and routine pain alleviation procedures to making and fitting a complete set of dentures. REUTERS/Jitendra Prakash (INDIA) 

Object's Eden 3-dimensional printing system prints models of teeth and dentures at the 21st Interphex Japan pharmaceutical exhibition in Tokyo July 2, 2008. The device prints objects designed on computers by repeatedly squirting a layer of liquid and hardening it with UV light until a model is completed. REUTERS/Michael Caronna (JAPAN) 

Object's Eden 3-dimensional printing system prints models of teeth and dentures at the 21st Interphex Japan pharmaceutical exhibition in Tokyo July 2, 2008. The device prints objects designed on computers by repeatedly squirting a layer of liquid and hardening it with UV light until a model is completed. REUTERS/Michael Caronna (JAPAN) 

A dental worker checks the fit of a denture for a woman in the streets of Lahore Februay 13, 2008. REUTERS/Jerry Lampen (PAKISTAN) 

Trays of false teeth are displayed in the streets of Lahore February 13, 2008. REUTERS/Jerry Lampen (PAKISTAN) 

A dental worker holds a false tooth in the streets of Lahore February 13, 2008. REUTERS/Jerry Lampen (PAKISTAN) 

Women dressed as clown dance and celebrate "Weiberfastnacht" (Women's Carnival) in Cologne January 31, 2008. Women's Carnival marks the start of a week of street festivals that reach a high point with mass processions on Rose Monday. REUTERS/Ina Fassbender (GERMANY) 

A People for the Ethical Treatment of Animals (PETA) activist dressed in fur protests outside a Burberry shop in Athens May 4, 2007, against Burberry's use of fur in its designs. REUTERS/Yiorgos Karahalis (GREECE) 

A dentist offers his services in Marrakesh's Djemaa El Fna square February 21, 2007. Djemaa el Fna is a square and market place in Marrakesh's old city where Jugglers, storytellers, snake charmers, musicians and acrobats can be seen every day. REUTERS/Rafael Marchante(MOROCCO) 

Werner Brandenbusch, chief of McZahn AG sits on a dentist chair in the newly opened dental practice in the western city of Krefeld September 28, 2006. The practice offers inexpensive service to patients who need a set of false teeth or crowns by using cheaper dentures manufactured in China. The first McZahn practice was opened in Krefeld on Thursday. REUTERS/Ina Fassbender (GERMANY) 

A dentist examines the teeth of a patient in a newly opened McZahn AG dental practice in the western city of Krefeld September 28, 2006. The practice offers inexpensive service to patients who need a set of false teeth or crowns by using cheaper dentures manufactured in China. The first McZahn practice was opened in Krefeld on Thursday. REUTERS/Ina Fassbender (GERMANY) 

A dentist aid stands in the newly opened McZahn AG dental practice in the western city of Krefeld September 28, 2006. The practice offers inexpensive service to patients who need a set of false teeth or crowns by using cheaper dentures manufactured in China. The first McZahn practice was opened in Krefeld on Thursday. REUTERS/Ina Fassbender (GERMANY) 

A visitor stands in the lobby of a newly opened McZahn AG dental practice in the western city of Krefeld September 28, 2006. The practice offers inexpensive service to patients who need a set of false teeth or crowns by using cheaper dentures manufactured in China. The first McZahn practice was opened in Krefeld on Thursday. REUTERS/Ina Fassbender (GERMANY) 

A dentist examines the teeth of a patient in a newly opened McZahn AG dental practice in the western city of Krefeld September 28, 2006. The practice offers inexpensive service to patients who need a set of false teeth or crowns by using cheaper dentures manufactured in China. The first McZahn practice was opened in Krefeld on Thursday. REUTERS/Ina Fassbender (GERMANY) 

A dentist examines the teeth of a patient in a newly opened McZahn AG dental practice in the western city of Krefeld September 28, 2006. The practice offers inexpensive service to patients who need a set of false teeth or crowns by using cheaper dentures manufactured in China. The first McZahn practice was opened in Krefeld on Thursday. REUTERS/Ina Fassbender (GERMANY) 

Philippine Navy officers, Tomas Ronario (L) and Oscar Ortiz, try their new dentures at the Navy headquarters in Manila May 10, 2005. Philippine President Gloria Macapagal Arroyo's husband Mike Arroyo gave away at least 6,000 free dentures to police officers, military personnel, their dependents and civilian employees in the capital as part of his project "A New Smile for the Toothless" to help them regain their self-confidence. REUTERS/Romeo Ranoco PP05050123 ODLY Pictures of the month May 2005 RR/DY/CN 

A Turkmen woman displays her set of gold teeth as she smiles in front of the statue of Turkmenistan's President Saparmurat Niyazov in Ashgabat in this December 2002 file photo. Turkmenistan's president has told his people on Apil 5, 2004, to shun traditional false gold teeth in favour of white ones, the latest eccentric command after moves to ban beards, ballet and circuses. Picture taken December 2002. REUTERS/Shamil Zhumatov/File SZH/ 

A street stall selling dental implants and false teeth in Caracas, on August 1, 2003. Street vendors, or "buhoneros " as they are known in Spanish, have cluttered Caracas streets for years selling everything from food to pirated movies. [But with Venezuela caught in a sharp recession, sellers are increasingly turning to more unusual and even exotic services to win clients.] 

A street stall selling dental implants and false teeth in Caracas,
August 1, 2003. Street vendors, or "buhoneros " as they are known in
Spanish, have cluttered Caracas streets for years selling everything
from food to pirated movies. But with Venezuela caught in a sharp
recession, sellers are increasingly turning to more unusual and even
exotic services to win clients. REUTERS/Howard Yanes

HY 

A street stall selling dental implants and false teeth in Caracas, on
August 1, 2003. Street vendors, or "buhoneros " as they are known in
Spanish, have cluttered Caracas streets for years selling everything
from food to pirated movies. But with Venezuela caught in a sharp
recession, sellers are increasingly turning to more unusual and even
exotic services to win clients. REUTERS/Howard
Yanes/FEATURE/VENEZUELA-VENDORS

HY 

San Francisco Giants' outfielder Ellis Burks teases teammates from the dugout with fake teeth, during the game with the St. Louis Cardinals July 9 at Busch Stadium in St. Louis. Burks, who was not playing in the third game of a three game series with the Cards, went 6-8 in the first two games.

TP/HB 

Calgary Stampeders' Tony Martino (R) gives a big smile with a set of theatrical false teeth while joking with teammate Mark McLoughlin at a team lunch in Winnipeg November 19. The Stampeders will meet the Hamilton Tiger-cats in the 86th Grey Cup November 22.

AC 

Christian Social German Health Minister Horst Seehofer gestures during a news conference in Bonn, July 2. Seehofer wants to legally bar dentists from overcharging for false teeth. Insurence companies' investigations have shown that dentists overcharge in 30 percent of all billings for new teeth.

AKW/ME 

Bob Baffer (R) trainer of Belmont Stakes favorite Real Quiet, laughs as his friend Kevin McKathan displays false teeth during an interview at Belmont Park in Elmont, New York June 5. Thirteen horses are entered for the 130th running of the race with Real Quiet drawing the eighth post and favored to become the 12th winner of the Triple Crown.

PM/CM/AA 

Jean Chauvot , a Paris dental technician paints a reproduction of the self- portrait of Dutch painter Vincent Van Gogh on the incisor of a set of false teeth, May 21. Chauvot said he can paint almost any subjects asked for a price from 300 to 1000 francs ($50 to 160). 

Jean Chauvot, a Paris dental technician paints a reproduction of the self-portrait of Dutch painter Vincent Van Gogh on the incisor of a set of false teeth, May 21. Chauvot said he can paint almost any subjects asked for a price from 300 to 1000 francs ($50 to 160). FR05070003 ODLY PW/CLH/