Forensic Medicine Regarding Gustafson’s method of age estimation of adults > 21 years, which of the following is the MOST reliable criteria? A Root resorption B Root transparency C Paradentosis D Cementum apposition 💡 Explanation Regarding Gustafson's method of age estimation of adults > 21 years, which of the following is the MOST reliable criteria? ✓ Correct Answer: B. Root transparency