CNIH Perio TEST # 1 Exam With 100% Correct Answers 2025

CNIH Perio TEST # 1 Exam With 100% Correct Answers 2025 1st layer of alveolar process - answer-Thin layer of bone that lines the socket and surrounds roots. Has numerous holes to allow blood vessels from cancellous bone to connect with vessels of the PDL. -PDL fibers are embedded. -no periosteum. Trabecular/cancellous bone - answer-2nd layer of alveolar process. Spongy, lattice-like bone filler between the cortical bone and alveolar bone proper. oriented around the tooth to form support for alveolar bone proper Specialized Mucosa - answer-Covers the dorsal surface of the tongue. Lining (alveolar) Mucosa - answer-Loosely attached to underlying structures and covered with nonkeratinized epithelium. -From mucogingival junction to mucous membrane of lips, cheeks, floor of the mouth, soft palate. C. Masticatory Mucosa - answer-Firmly attached to underlying bone and root and covered with parakeratinized or keratinized epithelium. -withstands frictional forces-toothbrushing/ chewing. -includes gingiva and hard palate. Parakeratinzed - answer-an epithelium in which the superficial cells have not lost their nuclei, but have become filled with keratin. Keratinized - answer-Keratin is a protein and the major component in skin, hair and nails.Periodontium - answer-the functional system of tissues that surround teeth and attaches them to sockets. What are four components (tissues) to the periodontium? - answer-Gingiva, cementum, alveolar bone, and periodontal ligament (PDL)