Doctors and members of the Kenya Medical Practitioners Pharmacists and Dentists Union (KMPDU) participate in procession declaring the deplorable state of health care and to push for better working conditions for all health practitioners, along the streets of Nairobi, Kenya September 12, 2023. REUTERS/Monicah Mwangi 

Doctors and members of the Kenya Medical Practitioners Pharmacists and Dentists Union (KMPDU) chant slogans as they participate in procession declaring the deplorable state of health care and to push for better working conditions for all health practitioners, along the streets of Nairobi, Kenya September 12, 2023. REUTERS/Monicah Mwangi 

Doctors and members of the Kenya Medical Practitioners Pharmacists and Dentists Union (KMPDU) chant slogans as they participate in procession declaring the deplorable state of health care and to push for better working conditions for all health practitioners, along the streets of Nairobi, Kenya September 12, 2023. REUTERS/Monicah Mwangi 

Doctors and members of the Kenya Medical Practitioners Pharmacists and Dentists Union (KMPDU) participate in procession declaring the deplorable state of health care and to push for better working conditions for all health practitioners, along the streets of Nairobi, Kenya September 12, 2023. REUTERS/Monicah Mwangi 

Doctors and members of the Kenya Medical Practitioners Pharmacists and Dentists Union (KMPDU) chant slogans as they participate in procession declaring the deplorable state of health care and to push for better working conditions for all health practitioners, along the streets of Nairobi, Kenya September 12, 2023. REUTERS/Monicah Mwangi 

A North Korean defector (C) receives treatment at the dentist's office at the Hanawon (Settlement Support Center for North Korean Refugees) in Ansong, Gyeonggi province, South Korea, 10 July 2023. JEON HEON-KYUN/Pool via REUTERS 

A North Korean defector (red shirt) receives treatment for their teeth at the dentist's office at the Hanawon (Settlement Support Center for North Korean Refugees) in Ansong, Gyeonggi province, South Korea, 10 July 2023. JEON HEON-KYUN/Pool via REUTERS 

Erdem Nizamoclu, 8, looks at the medical equipment dentist Ruveyda Kilicin shows him before an extraction while his mother Buket caresses him at a mobile dentist service at Orhanli tent city in the aftermath of a deadly earthquake, in Antakya, Hatay province, Turkey, March 3, 2023. REUTERS/Susana Vera TPX IMAGES OF THE DAY 

A British patient Bob Martin, 71, talks with the dentist during a check up at the Kreativ Dental Clinic in Budapest, Hungary, February 10, 2023. REUTERS/Marton Monus 

Hungarian dentist Ivan Solymosi checks British patient Bob Martin's implants at the Kreativ Dental Clinic in Budapest, Hungary, February 10, 2023. REUTERS/Marton Monus 

Hungarian dentist Ivan Solymosi checks British patient Bob Martin's implants at the Kreativ Dental Clinic in Budapest, Hungary, February 10, 2023. REUTERS/Marton Monus 

Dentist Dayamis Ramirez, 25, uses the internet on her mobile phone, beside her dog, at the Malecon seafront, in Havana, Cuba, February 7, 2023. REUTERS/Alexandre Meneghini 

Syrian dentist Ibrahim al-Akzam treats his patient at his dental clinic in Damascus, Syria December 6, 2022. REUTERS/Firas Makdesi 

Employees of a dentist office install metal storm shutters in preparation for the arrival of tropical storm Fiona and its heavy rains in Cabo Rojo, Puerto Rico September 17, 2022. REUTERS/Ricardo Arduengo 

An employee of a dentist office installs metal storm shutters in preparation for the arrival of tropical storm Fiona and its heavy rains in Cabo Rojo, Puerto Rico September 17, 2022. REUTERS/Ricardo Arduengo 

A health care worker wearing a face mask depicting the superhero character Captain America inoculates a child with a dose of China's Sinovac Biotech vaccine, as the country continues the mass vaccination program against the coronavirus disease (COVID-19) for children aged 6-11, in Jakarta, Indonesia, January 16, 2022. REUTERS/Willy Kurniawan 

Tony Palmieri leaves from his dentist clinic while a member of the Oakdale Fire Department prepares to pump flood waters from the basement of the building after heavy rains from storm Ida caused flooding in Oakdale, Pennsylvania, U.S., September 1, 2021. REUTERS/Quinn Glabicki 

Kenyu Sumie, the chairman of a group representing more than 100,000 doctors and dentists in Japan, poses with a statement calling for the cancellation of Tokyo 2020 Olympics during an interview with Reuters at the office of Japanese medical and dental practitioners association in Tokyo, Japan, March 19, 2021. REUTERS/Kim Kyung-Hoon 

Beatriz Ramon, a 30 year-old dentist, attends an interview with Reuters at her dental office in the neighborhood of Tlahuac, Mexico City, Mexico May 5, 2021. REUTERS/Henry Romero 

Beatriz Ramon, a 30 year-old dentist, attends an interview with Reuters at her dental office in the neighborhood of Tlahuac, Mexico City, Mexico May 5, 2021. REUTERS/Henry Romero 

Beatriz Ramon, a 30 year-old dentist, attends an interview with Reuters at her dental office in the neighborhood of Tlahuac, Mexico City, Mexico May 5, 2021. REUTERS/Henry Romero 

State Emergency Service personnel transport a dentist by boat from the suburb of Windsor to North Richmond across floodwaters, so he can attend to patients unreachable by car, as the state of New South Wales experiences widespread flooding and severe weather, in Sydney, Australia, March 22, 2021. REUTERS/Loren Elliott 

State Emergency Service personnel transport a dentist by boat from the suburb of Windsor to North Richmond across floodwaters, so he can attend to patients unreachable by car, as the state of New South Wales experiences widespread flooding and severe weather, in Sydney, Australia, March 22, 2021. REUTERS/Loren Elliott 

State Emergency Service personnel load a dentist onto a boat to transport him from the suburb of Windsor to North Richmond across floodwaters, so he can attend to patients unreachable by car, as the state of New South Wales experiences widespread flooding and severe weather, in Sydney, Australia, March 22, 2021. REUTERS/Loren Elliott 

Dentist Aditi Agarwal administers a coronavirus disease (COVID-19) vaccine at a mass vaccination site at Lumen Field Event Center in Seattle, Washington, U.S. March 13, 2021. REUTERS/Lindsey Wasson 

A medical specialist looks out of a dentist's clinic as a man removes snow in a street in Moscow, Russia February 13, 2021. REUTERS/Maxim Shemetov 

Dentist Ilker Sentuerk and his assistant wear specialized FFP3 hoods as they treat a patient in their dental clinic, in Oberhausen, Germany, January 28, 2021. REUTERS/Leon Kuegeler TPX IMAGES OF THE DAY 

The ventilators of a specialized FFP3 hood are seen in a dental clinic, in Oberhausen, Germany, January 28, 2021. REUTERS/Leon Kuegeler 

Dentist Ilker Sentuerk poses for a picture with a specialized FFP3 hood in his dental clinic, in Oberhausen, Germany, January 28, 2021. REUTERS/Leon Kuegeler 

Dentist Ilker Sentuerk wears a specialized FFP3 hood in his dental clinic, in Oberhausen, Germany, January 28, 2021. REUTERS/Leon Kuegeler 

Dentist Ilker Sentuerk and his assistant wear specialized FFP3 hoods as they treat a patient in their dental clinic, in Oberhausen, Germany, January 28, 2021. REUTERS/Leon Kuegeler 

Dentist Ilker Sentuerk and his assistant wear specialized FFP3 hoods as they treat a patient in their dental clinic, in Oberhausen, Germany, January 28, 2021. REUTERS/Leon Kuegeler 

Dentist Ilker Sentuerk and his assistant wear specialized FFP3 hoods as they treat a patient in their dental clinic, in Oberhausen, Germany, January 28, 2021. REUTERS/Leon Kuegeler 

A dental assistant wears a specialized FFP3 hood in a dental clinic, in Oberhausen, Germany, January 28, 2021. REUTERS/Leon Kuegeler 

Dentist Ilker Sentuerk and his assistant wear specialized FFP3 hoods as they treat a patient in their dental clinic, in Oberhausen, Germany, January 28, 2021. REUTERS/Leon Kuegeler 

Dentist Ilker Sentuerk wears a specialized FFP3 hood as he treats a patient in his dental clinic, in Oberhausen, Germany, January 28, 2021. REUTERS/Leon Kuegeler 

Dentist Ilker Sentuerk wears a specialized FFP3 hood as he treats a patient in his dental clinic, in Oberhausen, Germany, January 28, 2021. REUTERS/Leon Kuegeler 

Dentist Ilker Sentuerk and his assistant wear specialized FFP3 hoods as they treat a patient in their dental clinic, in Oberhausen, Germany, January 28, 2021. REUTERS/Leon Kuegeler 

A dental assistant wears a specialized FFP3 hood in a dental clinic, in Oberhausen, Germany, January 28, 2021. REUTERS/Leon Kuegeler 

Vietnamese dentist Tran Phuong Thao and her husband Tran Minh Hieu wearing protective masks, pose for a photo at their wedding ceremony during the coronavirus disease (COVID-19) outbreak in Hanoi, Vietnam January 28, 2021. REUTERS/Kham 

Vietnamese dentist Tran Phuong Thao and her husband Tran Minh Hieu wearing protective masks, kiss at their wedding ceremony during the coronavirus disease (COVID-19) outbreak in Hanoi, Vietnam January 28, 2021. REUTERS/Kham TPX IMAGES OF THE DAY 

Vietnamese dentist Tran Phuong Thao and her husband Tran Minh Hieu wearing protective masks, kiss at their wedding ceremony during the coronavirus disease (COVID-19) outbreak in Hanoi, Vietnam January 28, 2021. REUTERS/Kham 

Vietnamese dentist Tran Phuong Thao and her husband Tran Minh Hieu wearing protective masks, kiss at their wedding ceremony during the coronavirus disease (COVID-19) outbreak in Hanoi, Vietnam January 28, 2021. REUTERS/Kham 

A dentist treats a customer at his stall in an open-air market near the Shanzhai coal mine in Cedizhen village, Huating County, Gansu province, China, September 18, 2020. REUTERS/Thomas Peter SEARCH "PETER COAL" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES 

Allan Ochanji, the national vice chairman of Kenya Medical Practitioners, Pharmacists and Dentists Union (KMPDU) is seen during a Reuters interview about the coronavirus disease (COVID-19) outbreak, in Nairobi, Kenya August 17, 2020. Picture taken August 17, 2020. REUTERS/Thomas Mukoya 

Allan Ochanji, the national vice chairman of Kenya Medical Practitioners, Pharmacists and Dentists Union (KMPDU) talks during a Reuters interview about the coronavirus disease (COVID-19) outbreak, in Nairobi, Kenya August 17, 2020. Picture taken August 17, 2020. REUTERS/Thomas Mukoya 

Allan Ochanji, the national vice chairman of Kenya Medical Practitioners, Pharmacists and Dentists Union (KMPDU) talks during a Reuters interview about the coronavirus disease (COVID-19) outbreak, in Nairobi, Kenya August 17, 2020. Picture taken August 17, 2020. REUTERS/Thomas Mukoya 

A dentist tends to a patient at Silveroaks Dental Surgery as it opens for non aerosol generating assessments in Milton Keynes, following the outbreak of the coronavirus disease (COVID-19), Milton Keynes, Britain, June 8, 2020. REUTERS/Andrew Boyers 

Dental surgeon Christophe Weill, wearing a protective face mask, treats a patient at his dental office in Vincennes near Paris after France softened its strict lockdown rules during the outbreak of the coronavirus disease (COVID-19) in France, May 14, 2020. REUTERS/Lucien Libert 

Dental surgeon Christophe Weill, wearing a protective face mask, treats a patient at his dental office in Vincennes near Paris after France softened its strict lockdown rules during the outbreak of the coronavirus disease (COVID-19) in France, May 14, 2020. REUTERS/Lucien Libert 

Dental surgeon Christophe Weill, wearing a protective face mask, treats a patient at his dental office in Vincennes near Paris after France softened its strict lockdown rules during the outbreak of the coronavirus disease (COVID-19) in France, May 14, 2020. REUTERS/Lucien Libert 

Dental surgeon Christophe Weill, wearing a protective face mask, treats a patient at his dental office in Vincennes near Paris after France softened its strict lockdown rules during the outbreak of the coronavirus disease (COVID-19) in France, May 14, 2020. REUTERS/Lucien Libert 

A dentist office manager takes the temperature of a woman as Ohio implements phase one of reopening dentists, veterinarians and elective surgeries, following the outbreak of the coronavirus disease (COVID-19), in Columbus, Ohio, U.S., May 01, 2020. REUTERS/Megan Jelinger 

Dentists preform an oral procedure as Ohio implements phase one of reopening dentists, veterinarians and elective surgeries, following the outbreak of the coronavirus disease (COVID-19), in Columbus, Ohio, U.S., May 01, 2020. REUTERS/Megan Jelinger 

A masked man walks past a statue as Ohio implements phase one of reopening dentists, veterinarians and elective surgeries, following the outbreak of the coronavirus disease (COVID-19), in Columbus, Ohio, U.S., May 01, 2020. REUTERS/Megan Jelinger 

A "we are open" sign is placed in the window of a restaurant as Ohio implements phase one of reopening dentists, veterinarians and elective surgeries, following the outbreak of the coronavirus disease (COVID-19), in Columbus, Ohio, U.S., May 01, 2020. REUTERS/Megan Jelinger 

A sign is placed in the window of a restaurant with distancing guidelines as Ohio implements phase one of reopening dentists, veterinarians and elective surgeries, following the outbreak of the coronavirus disease (COVID-19), in Columbus, Ohio, U.S., May 01, 2020. REUTERS/Megan Jelinger 

A veterinarian office opens up as Ohio implements phase one of reopening dentists, veterinarians and elective surgeries, following the outbreak of the coronavirus disease (COVID-19), in Columbus, Ohio, U.S., May 01, 2020. REUTERS/Megan Jelinger 

An "in this together" sign is placed in a window as Ohio implements phase one of reopening dentists, veterinarians and elective surgeries, following the outbreak of the coronavirus disease (COVID-19), in Columbus, Ohio, U.S., May 01, 2020. REUTERS/Megan Jelinger 

A salon is pictured empty as Ohio implements phase one of reopening dentists, veterinarians and elective surgeries, following the outbreak of the coronavirus disease (COVID-19), in Columbus, Ohio, U.S., May 01, 2020. REUTERS/Megan Jelinger