The Impact of Nonregulated Oral Cosmetic Practices (Lip Piercing Cosmetic Braces, and Tooth Jewelry) on Oral and Periodontal Health among Individuals Using These Procedures: A Cross-Sectional Field Study in Sana’a City - AL-Sharafi, Mohammed et al. (University of Science and Technology, Sana'a, Faculty of Dentistry, Bachelor of Dental Surgery Program, 2025)