Dental Which of the following is not true about hand instruments used in Operative Dentistry? A They are generally made of stainless steel B Nickel-Cobalt-chromium is never used in its fabrication C Carbon steel is more efficient than stainless steel D It can be made with stainless steel with carbide inserts 💡 Explanation Which of the following is not true about hand instruments used in Operative Dentistry? ✓ Correct Answer: B. Nickel-Cobalt-chromium is never used in its fabrication