Research Paper (postgraduate) from the year 2020 in the subject Medicine - Dentistry, language: English, abstract: The study delves into the intricate world of dental arch forms and dimensions within the Saudi population, shedding light on the diverse characteristics that shape the oral landscape of both men and women. The research employs a descriptive cross-sectional survey, utilizing alginate impressions and a standardized methodology to capture the nuances of maxillary and mandibular arches in 100 dentate subjects. With a keen focus on arch forms and dimensions, the paper aims to unravel the predominant patterns within the Saudi population. The findings reveal intriguing details, such as the prevalence of square arches in males and a mix of ovoid and square arches in females for the maxillary dental arch. On the mandibular front, square arches take the lead in both genders. The gender lens further highlights significant differences in arch dimensions, with males exhibiting increased measurements compared to females. However, exceptions exist in maxillary anterior and molar arch lengths. Statistical analyses, including Chi-Square test, Student t test, and Pearsons correlation test, contribute rigor to the exploration. As the narrative unfolds, the paper not only provides a panoramic view of arch forms but also underscores their clinical implications. The absence of significant gender differences in arch forms prompts considerations for prosthetic rehabilitation among Saudi edentulous patients. The determined arch dimensions emerge as valuable tools in the selection of accurate stock impression trays and the precise arrangement of artificial teeth.