2022 Beijing Olympics - Freestyle Skiing - Women's Freeski - Halfpipe - Qualification - Run 1 - Genting Snow Park, Zhangjiakou, China - February 17, 2022. A maple leaf of the Canadian flag is pictured on the gum shield of Cassie Sharpe of Canada as she finishes her run. REUTERS/Dylan Martinez 

Rugby Union - European Champions Cup - Group C - Bath Rugby v Harlequins - Recreation Ground, Bath, Britain - January 10, 2020 Bath's Anthony Watson throws his gum shield away after sustaining an injury Action Images via Reuters/Andrew Boyers 

Rugby Union - European Champions Cup - Group C - Bath Rugby v Harlequins - Recreation Ground, Bath, Britain - January 10, 2020 Bath's Anthony Watson throws his gum shield away after sustaining an injury Action Images via Reuters/Andrew Boyers 

Boxing - Michael McKinson v Luis Alberto Veron - WBO European Welterweight Title - York Hall, Bethnal Green, London, Britain - November 9, 2019 Michael McKinson loses his gum shield during his match against Luis Alberto Veron Action Images/Adam Holt 

Boxing - Michael McKinson v Luis Alberto Veron - WBO European Welterweight Title - York Hall, Bethnal Green, London, Britain - November 9, 2019 Michael McKinson loses his gum shield during his match against Luis Alberto Veron Action Images/Adam Holt 

Freestyle Skiing - Pyeongchang 2018 Winter Olympics - Women's Ski Halfpipe Training - Phoenix Snow Park - Pyeongchang, South Korea - February 20, 2018 - Cassie Sharpe of Canada's gum shield is seen. REUTERS/Issei Kato 

Football Soccer Britain - Watford v Everton - Premier League - Vicarage Road - 10/12/16 Watford's Heurelho Gomes with a mouthguard with the Brazilian flag on it Action Images via Reuters / Alan Walter Livepic EDITORIAL USE ONLY. No use with unauthorized audio, video, data, fixture lists, club/league logos or "live" services. Online in-match use limited to 45 images, no video emulation. No use in betting, games or single club/league/player publications. Please contact your account representative for further details. 

Football Soccer Britain - Watford v Everton - Premier League - Vicarage Road - 10/12/16 Watford's Heurelho Gomes with a mouthguard with the Brazilian flag on it Action Images via Reuters / Alan Walter Livepic EDITORIAL USE ONLY. No use with unauthorized audio, video, data, fixture lists, club/league logos or "live" services. Online in-match use limited to 45 images, no video emulation. No use in betting, games or single club/league/player publications. Please contact your account representative for further details. 

Canada's Milos Raonic bites his mouthguard during his quarter-final match against France's Gael Monfils at the Australian Open tennis tournament at Melbourne Park, Australia, January 27, 2016. REUTERS/Tyrone Siu 

Canada's Milos Raonic bites his mouthguard during his fourth round match against Switzerland's Stan Wawrinka at the Australian Open tennis tournament at Melbourne Park, Australia, January 25, 2016. REUTERS/Thomas Peter 

Canada's Milos Raonic wears a mouthguard during his first round match against France's Lucas Pouille at the Australian Open tennis tournament at Melbourne Park, Australia, January 19, 2016. REUTERS/Brandon Malone 

Canada's Milos Raonic wears a mouthguard during his first round match against France's Lucas Pouille at the Australian Open tennis tournament at Melbourne Park, Australia, January 19, 2016. REUTERS/Brandon Malone 

Yamaha MotoGP rider Valentino Rossi of Italy puts on his gum shield during free practice 1 before the Australian Grand Prix on Phillip Island October 16, 2015. REUTERS/Brandon Malone 

Britain's Katie Summerhayes reacts at the finish line during the women's freestyle skiing slopestyle qualification event at the Sochi 2014 Winter Olympics in Rosa Khutor February 11, 2014. REUTERS/Mike Blake (RUSSIA - Tags: SPORT SKIING OLYMPICS TPX IMAGES OF THE DAY)

ATTENTION EDITORS: PICTURE 08 OF 24 FOR PACKAGE 'SOCHI - EDITOR'S CHOICE'
TO FIND ALL SEARCH 'EDITOR'S CHOICE - 11 FEBRUARY 2014' 

Ukraine's Vyacheslav Glazkov (R) punches Germany's Konstantin Airich during their WBC Baltic Silver heavyweight title fight in Moscow September 8, 2012. Glazkov won the match. Picture taken September 8, 2012. REUTERS/Maxim Shemetov (RUSSIA - Tags: SPORT BOXING PROFILE TPX IMAGES OF THE DAY) 

Stacey Cook of the U.S. shows her gum shield after the downhill run of the women's Alpine skiing World Cup super combined race in St.Moritz January 27, 2012. REUTERS/Pascal Lauener (SWITZERLAND - Tags: SPORT SKIING HEADSHOT) 

A man smiles to show his illuminated gum shield during the start of Diwali celebrations in Leicester, central England, October 16, 2011. Diwali celebrations in Leicester are one of the biggest outside of India, with up to 35,000 people attending the switch on of the lights in the heart of the city's Asian community. REUTERS/Darren Staples (BRITAIN - Tags: SOCIETY RELIGION) 

Los Angeles Lakers guard Kobe Bryant (L) and Dallas Mavericks forward Dirk Nowitzki embrace before the start of their NBA basketball game in Dallas, Texas January 13, 2010. REUTERS/Mike Stone (UNITED STATES - Tags: SPORT BASKETBALL) 

U.S. based Ola Afolabi celebrates after knocking out Britain's Enzo Maccarinelli in their Interim World Cruiserweight championship fight Manchester, northern England, March 14, 2009. REUTERS/Phil Noble (BRITAIN SPORT BOXING IMAGE OF THE DAY TOP PICTURE) 

Lebron James of the U.S. shows his USA mouthpiece during the gold medal basketball game against Spain at the Beijing 2008 Olympic Games, August X24 2008. REUTERS/Sergio Perez (CHINA) 

Luis Porozo of Ecuador (L) fights Roberto Navarro of the Dominican Republic during their men's featherweight (57kg) round of 32 boxing match at the Beijing 2008 Olympic Games August 11, 2008. REUTERS/Lee Jae-Won (CHINA) 

Chris Bosh of the U.S. reacts during their friendly basketball game against Russia as part of their training for the Beijing Olympics in Shanghai August 3, 2008. REUTERS/Aly Song (CHINA) 

Zab Judah of the U.S. clinches with Joshua Clottey of Ghana during their IBF welterweight title fight at the Palms Casino Resort in Las Vegas, Nevada August 2, 2008. Clottey won the vacant title by unanimous decision after the fight was stopped in the ninth round. REUTERS/Steve Marcus (UNITED STATES) 

Chris Bosh of the U.S. gestures during their friendly basketball game against Turkey as part of their training for the Beijing Olympics, at the Venetian Macao-Resort-Hotel in Macau July 31, 2008. REUTERS/Victor Fraile (CHINA) (BEIJING OLYMPICS 2008 PREVIEW) 

Cleveland Cavaliers forward LeBron James reacts after hearing the results of an official review that awarded the Cavaliers two foul shots against the Philadelphia 76ers in fourth quarter NBA basketball action in Philadelphia, Pennsylvania, April 14, 2008. REUTERS/Tim Shaffer (UNITED STATES) 

A boxer rests during a training session at the Excelsior Boxe Gym in Marcianise, near Naples, southern Italy, January 4, 2008. Three of the four Italian boxers who have so far qualified for the Beijing Games, heavyweight Clemente Russo, lightweight Domenico Valentino and flyweight Vincenzo Picardi, were born between Naples and Caserta. REUTERS/Max Rossi (ITALY) 

Cleveland Cavaliers LeBron James tosses his mouth guard as he is pulled from the game after committing a foul against the Los Angeles Clippers during the first half of their NBA basketball game in Los Angeles November 11, 2007. REUTERS/Lucy Nicholson (UNITED STATES) 

South Africa's Bryan Habana celebrates after scoring a try against Argentina during their semi-final Rugby World Cup match at the Stade de France Stadium in Saint-Denis, near Paris, October 14, 2007. REUTERS/Howard Burditt (FRANCE) 

South Africa's Bryan Habana scores a try against Argentina during their semi-final Rugby World Cup match at the Stade de France Stadium in Saint-Denis, near Paris, October 14, 2007. REUTERS/Eddie Keogh (FRANCE) 

South Africa's Bryan Habana scores a try against Argentina during their semi-final Rugby World Cup match at the Stade de France Stadium in Saint-Denis, near Paris, October 14, 2007. REUTERS/Eddie Keogh (FRANCE) 

Germany's Torsten Jansen sports a gum shield in the colours of Germany's national flag during the Handball World Cup group M1 match against Slovenia in Halle, January 24, 2007. REUTERS/Hannibal Hanschke (GERMANY) 

Chassis Crass of the Manhattan Mayhem wears gum shield at Gotham Girls Roller Derby exhibition bout in New York. Chassis Crass of the Manhattan Mayhem displays a gum shield with the message 'Jam This' at the first ever Gotham Girls Roller Derby exhibition bout between the Manhattan Mayhem and the Brooklyn Bombshells at the Skate Key rink in the Bronx section of New York on November 12, 2004. After lying dormant in the American sports scene for several decades, women's roller derby is rearing its legs, strapping on its skates and attempting to make a comeback. In New York roller park venues like Skate Key Skate and Family Dance Center young female skaters with attitude seek to find an exciting outlet from their 9 to 5 daily routine. REUTERS/Heidi Schumann. 

TO MATCH FEATURE INDIA-BOXING - TRAINER PUTS A GUM SHIELD INTO THE MOUTH OF INDIAN GIRL BEFORE HER FIGHT IN NEW DELHI.


A trainer puts a gum shield into the mouth of Indian girl prior to her fight in a sports club in New Delhi. Indian women are taking up boxing in increasing numbers, overriding objections from parents worried that such a bruising sport could damage their marriage prospects, boxing officials say. So many women have entered the ring that officials have organised India's first national amateur championships to take place this week in the southern city of Madras. Picture taken February 1, 2001. 

Princess Anne's son Peter Philips warms up with a gum-shield in his mouth before the Scottish schoolboy trials held in Edinburgh November 8. Philips failed to make it to the team but will be on the bench for tonights game against Scottish Youth