| Squamous cell carcinoma | 90% | Surgery, radiation therapy, chemotherapy | Prognosis varies based on stage and treatment | White or red patches, ulcers, or lumps |
| Verrucous carcinoma | <1% | Surgery | Generally good prognosis if treated | Slow-growing, wart-like growth in the mouth |
| Mucoepidermoid carcinoma | 3-10% | Surgery, radiation therapy | Prognosis varies based on stage and treatment | Painless mass, ulceration, or white or red patches |
| Adenoid cystic carcinoma | 1-2% | Surgery, radiation therapy | Prognosis varies based on stage and treatment | Painless mass with indistinct borders |
| Adenocarcinoma | 1-3% | Surgery, radiation therapy | Prognosis varies based on stage and treatment | Mass, ulceration, or white or red patches |
| Basal cell carcinoma | <1% | Surgery | Generally excellent prognosis | Ulcer or raised lesion with a rolled border |
| Salivary gland tumors | Variable | Surgery, radiation therapy, chemotherapy | Prognosis varies based on subtype and treatment | Appearance varies depending on the specific type of tumor, including painless mass, ulceration, or patches |
| Oral melanoma | <1% | Surgery, radiation therapy, chemotherapy | Prognosis is generally poor due to aggressiveness | Dark brown or black pigmented lesion, irregular borders |
| Lymphoma | <1% | Chemotherapy, radiation therapy | Prognosis varies based on stage and treatment | Enlarged lymph nodes, oral masses, ulcerations |
| Osteosarcoma | <1% | Surgery, radiation therapy, chemotherapy | Prognosis is generally poor due to aggressiveness | Bony masses or swelling, ulceration |
| Ameloblastoma | <1% | Surgery | Generally good prognosis | Unilocular or multilocular radiolucent lesion, may cause facial asymmetry |
| Odontogenic carcinoma | <1% | Surgery, radiation therapy, chemotherapy | Prognosis varies based on stage and treatment | Ulceration, mass, or white or red patches |
| Fibrosarcoma | <1% | Surgery, radiation therapy, chemotherapy | Prognosis varies based on stage and treatment | Painless mass or swelling, may cause facial deformity |
| Ewing sarcoma | <1% | Surgery, radiation therapy, chemotherapy | Prognosis varies based on stage and treatment | Painful mass or swelling, may cause facial deformity |
| Liposarcoma | <1% | Surgery, radiation therapy, chemotherapy | Prognosis varies based on stage and treatment | Painless mass or swelling |
| Rhabdomyosarcoma | <1% | Surgery, radiation therapy, chemotherapy | Prognosis varies based on stage and treatment | Painless mass or swelling, may cause facial deformity |
| Angiosarcoma | <1% | Surgery, radiation therapy, chemotherapy | Prognosis varies based on stage and treatment | Red or purple patches, ulcers, or masses |
| Neuroendocrine carcinoma | <1% | Surgery, radiation therapy, chemotherapy | Prognosis varies based on stage and treatment | Ulceration, mass, or white or red patches |
| Clear cell odontogenic carcinoma | <1% | Surgery | Generally good prognosis | Painless mass or swelling |
| Metastatic tumors to the oral cavity | Variable | Treatment based on primary tumor | Prognosis varies based on primary tumor | Appearance depends on the primary tumor, can manifest as masses, ulcers, or other abnormalities |
| Acinic cell carcinoma | Rare | Surgery, radiation therapy | Generally good prognosis | Painless mass or swelling |
| Carcinoma ex pleomorphic adenoma | Rare | Surgery, radiation therapy, chemotherapy | Prognosis varies based on stage and treatment | Mass, ulceration, or white or red patches |
| Langerhans cell histiocytosis | Rare | Surgery, radiation therapy, chemotherapy | Prognosis varies based on stage and treatment | Ulceration, mass, or white or red patches |
| Malignant salivary gland tumors | Variable | Surgery, radiation therapy, chemotherapy | Prognosis varies based on subtype and treatment | Appearance varies depending on the specific type of tumor, including painless mass, ulceration, or patches |
| Spindle cell carcinoma | Rare | Surgery, radiation therapy, chemotherapy | Prognosis varies based on stage and treatment | Ulceration, mass, or white or red patches |
| Papillary adenocarcinoma | Rare | Surgery, radiation therapy, chemotherapy | Prognosis varies based on stage and treatment | Mass, ulceration, or white or red patches |