If Mandel did it, Jonah would get $100 from Kelly.
Shockingly, the "AGT" judge put on surgical gloves and yanked the boy's tooth out during the commercial break.
See photos of Howie Mandel:
Howie Mandel through the years
Germaphobe Howie Mandel pulls kid's tooth out during 'AGT' commercial break
NEW YORK, NY - AUGUST 19: Howie Mandel attends the 'America's Got Talent' post-show red carpet at Radio City Music Hall on August 19, 2015 in New York City. (Photo by Grant Lamos IV/Getty Images)
NEW YORK, NY - AUGUST 11: Model/TV personality Heidi Klum and comedian/TV personality Howie Mandel take a picture before the 'America's Got Talent' season 10 taping at Radio City Music Hall on August 11, 2015 in New York City. (Photo by Michael Loccisano/Getty Images)
NEW YORK, NY - APRIL 17: TV personality Howie Mandel attends the #DEFENDFREEDOM Concert at FOX Studios on April 17, 2015 in New York City. (Photo by Noam Galai/WireImage)
NEW YORK, NY - OCTOBER 23: Comedian and TV personality Howie Mandel visits SiriusXM Studios on October 23, 2014 in New York City. (Photo by Monica Schipper/Getty Images)
NEW YORK, NY - JULY 29: Howie Mandel attends the 'America's Got Talent' Season 9 Pre Show Red Carpet Event at Radio City Music Hall on July 29, 2014 in New York City. (Photo by Rommel Demano/Getty Images)
Howie Mandel, host of TV show 'Deal or No Deal' on NBC delivers a speech as he received a star on the Hollywood Walk of Fame, on September 4, 2008 in Hollywood, California. AFP PHOTO / GABRIEL BOUYS (Photo credit should read GABRIEL BOUYS/AFP/Getty Images)
THE TONIGHT SHOW WITH JAY LENO -- Air Date 1/3/08 -- Episode 3468 -- Pictured: Television personality Howie Mandel during an interview on January 3, 2008 (Photo by Paul Drinkwater/NBC/NBCU Photo Bank via Getty Images)
NEW YORK - MAY 15: (L to R) Patricia Kara, Howie Mandel and Lindsay Clubine attend the NBC Primetime Preview 2006-2007 at Radio City Music Hall on May 15, 2005 in New York City. (Photo by Evan Agostini/Getty Images)
LOS ANGELES - CIRCA 1985: Actor Howie Mandel poses for a portrait session in circa 1985 in Los Angeles, California. (Photo by Maureen Donaldson/Michael Ochs Archives/Getty Images)
ST. ELSEWHERE -- Season 1 -- Pictured: Howie Mandel as Dr. Wayne Fiscus (Photo by Herb Ball/NBC/NBCU Photo Bank via Getty Images)