Dental Long connective tissue papillae and keratinized epithelia are a feature of these parts of oral mucosa A gingiva and alveolar mucosa B hard palate and gingiva C buccal and alveolar mucosa D hard and soft palate 💡 Explanation Long connective tissue papillae and keratinized epithelia are a feature of these parts of oral mucosa ✓ Correct Answer: B. hard palate and gingiva