Oral Hygiene Status and Oral Complaints of Pre-Elderly Patients with Hypertension in Surabaya, Indonesia: A Descriptive Cross-Sectional Study Retno Palupi1*, Ririn Sugiarti², Andini Nur Azzahra³, Gilang Rasuna Sabdho Wening¹, Mochammad Daffa Athallah3, Martinus Yudha3, Eleonora Cathlin Kusuma3, Dea Arshila3 Abstract Hypertension is a major chronic condition that is common among