Oral Growths By Bernard J Hennessy, DDS, Texas A&M University, College of Dentistry Reviewed / Revised Feb 2022 | Modified Sep 2022 View Patient Education Etiology Evaluation Treatment Key Points Topic Resources Benign Oral Growth (Irritation... Squamous Papilloma - Ordinary... Squamous Papilloma of the... Thrush Ranula Torus Palatinus Torus Mandibularis Mucus Retention Cyst (Mucocele... Palatal Salivary Gland Pleomorphi... Parotid Salivary Gland Tumor Leukoplakia Leukoplakia and Squamous... Erythroplakia and Squamous... Growths can originate in any type of tissue in and around the mouth, including connective tissues, bone, muscle, and nerve.