AN INVESTIGATION INTO THE CAUSES AND PREVENTION OF POOR ORAL HYGIENE AMONG SECONDARY SCHOOL STUDENTS IN OBOT AKARA LOCAL GOVERNMENT AREA, AKWA IBOM STATE: (A CASE STUDY OF ST. COLUMBANUS SECONDARY SCHOOL, IKWEN) CHAPTER ONE INTRODUCTION 1.1 Background of the study Similar to other regions of the body, the oral cavity harbours a multitude of […]