“…Developmental lesions, such as lymphangioma and salivary gland choristoma (Moskow & Baden 1989) and primary benign, malignant and metastatic tumors (Eckardt & Nommels 1986, Epstein et al 1987) may also mimic gingival swelling. A variety of non plaque-related lesions are also included, e.g., peripheral giant cell granuloma, irritation fibroma, fibrous hyper-plasia, peripheral ossifying fibroma and peripheral odontogenic tumors (Kaneko & Uneo 1986, Horowitz et al 1987, Woo et al 1987, Mintz et al 1990, Monson et al 1990, Siar et al 1990, El Mofty et al 1991, Slabbert & Altini 1991. Van der Waal 1991, Michalides 1992, Weber et al 1992, Gurol & Burkes 1995, Nevi11 et al 1995, Zhu et al 1995, Wood & Goaz 1997.…”