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Dear Participants,

According to the World Health Organization (WHO), the number of deaths worldwide due to tobacco-related diseases is approximately 5 million per year. Smoking is believed to be the main risk factor for the occurrence of oral cancer since approximately 80 to 90% of cases are associated with the smoking habit. This Study aims to estimate the prevalence of smoking among dentists in Saudi Arabia. Your participation is highly appreciated. If you have any concerns, please contact:


We value your participation and thank you again.

Best regards,
The research team.



Mahmoud H. Al-Johani

Author Mahmoud H. Al-Johani

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