Dental only epithelium in the body in which type4 collagen is absent in basal lamina: A Oral epithelium B Sulcular epithelium C Gingival epithelium D Junctional epithelium 💡 Explanation only epithelium in the body in which type4 collagen is absent in basal lamina: ✓ Correct Answer: D. Junctional epithelium