Dental Anatomy Final Exam With 100% Correct Answers For Years 2024/2025.

Dental Anatomy Final Exam With 100% Correct Answers For Years 2024/2025. Describe the difference between the Incisal Ridge and Incisal Edge - Answer Incisal edge: sharp line that delineates facial from lingual forms Incisal ridge: covers entire incisal surface. Has more surface area then incisal edge. When does calcification begin? By what time have all primary teeth begun calcification - Answer 13-16 weeks in utero calcification commences 18-20 weeks in utero: all primary teeth have initiated calcification What is the order of the first evidence of Calcification in the Primary dentition? - Answer Central incisor → 1st Molar → Lateral incisor → Canine → 2nd Molar Which Primary teeth are First to have a complete root? When? - Answer Mx Central incisor Md Central incisor Md Lateral incisor All at 1.5 years Which Primary teeth are last to have a complete root? When? - Answer Mx and Md canines 3.25 years of age By what age does anterior tooth spacing stop? - Answer 6 years of age Which Permanent tooth is the 1st to erupt into the oral cavity? What age? - Answer Permanent 1st molars (Md precedes Mx slightly) 6 years of age By age 6, which Permanent teeth have Crowns that are Completely calcified? - Answer Central and Lateral incisors 1st Premolars 1st Molars (Md and Mx for all of these) What is the Chronology of Calcification of the Permanent Mandibular teeth? - Answer 1st Molar → Incisors → Canines → Premolars → 2nd Molar → 3rd Molar What is the Chronology of Calcification of the Permanent Maxillary teeth? - Answer 1st Molar → Central incisor → Canine → Lateral incisor → Premolars → 2nd Molar → 3rd Molar