641—50.1 (135) Purpose. The purpose of establishing the state public health dental director position and the oral health bureau within the Iowa department of public health is to create a strong oral health unit with sufficient leadership and capacity to determine priorities, develop plans, make funding decisions, and establish policies that improve the oral health of all Iowans. These rules will enhance the efficiency of state government, strengthen relationships with federal and local authorities, and improve interrelationships between the public and private sectors.