Oral Anatomy/Tooth morphology FINAL (exam 1&2) questions with correct answers

The term consistently used in dentistry for a primary/permanent tooth to appear or enter the mouth is called: A. Exfoliation B. Extraction C. Extrude D. Eruption CORRECT ANSWER D. Eruption The primary teeth are classified in the Universal numbering system by: A. Numbers 1-20 B. Letters A-T C. A number for each quadrant and a number for each tooth D. Numbers inside a bracket CORRECT ANSWER B. Letters A-T Multirooted teeth have a root ______, where the roots branch off from the cervical portion of the tooth. A. trunk B. fossa C. apex D. foramina CORRECT ANSWER A. Trunk The narrow folds of mucous membrane that connects the attached gingiva to the lips, cheeks, or under the tongue is called: A. Frenums B. Gingival sulcus C. Free gingiva D. Attached gingiva CORRECT ANSWER A.