TCDHA PERIODONTICS MIDTERM ACTUAL
EXAM 2026
◉ what are the three main categories for gingival diseases with
modifying factors. Answer: systemic, medications, malnutrition.
◉ Periodontium?. Answer: the functional system of tissues that
surrounds the teeth and attaches them to the bone
◉ Gingiva. Answer: Provides a tissue seal around the cervical
portion of the tooth. Holds tissue against the tooth during
mastication
◉ Anatomic Areas of the Gingiva. Answer: Free gingiva, Gingival
sulcus, Interdental gingiva, Attached gingiva
◉ Free Gingiva. Answer: Located coronal to the CEJ. Surrounds the
tooth like a turtleneck. Fits snugly around the tooth but
is not attached
◉ Gingival Sulcus. Answer: It is the space between
the free gingiva and the
tooth surface
, ◉ what does he base of the sulcus is form?. Answer: junctional
epithelium
◉ col. Answer: depression in the interdental gingiva that lies directly
apical to the contact area.
◉ Attached Gingiva. Answer: It is located between
the free gingiva and the
alveolar mucosa
◉ where is the attached gingiva the widest. Answer: in the incisor
and molar regions. It is narrowest in premolar regions
◉ Cementum. Answer: Thin layer of hard, mineralized tissue that
covers the surface of the root. Light yellow. Overlies the dentin
◉ Functions of Cementum. Answer: Give attachment to collagen
fibers of the periodontal ligament
◉ Alveolar Bone. Answer: It surrounds and supports the roots of the
teeth in the jaws. Existence dependent on the presence of teeth
EXAM 2026
◉ what are the three main categories for gingival diseases with
modifying factors. Answer: systemic, medications, malnutrition.
◉ Periodontium?. Answer: the functional system of tissues that
surrounds the teeth and attaches them to the bone
◉ Gingiva. Answer: Provides a tissue seal around the cervical
portion of the tooth. Holds tissue against the tooth during
mastication
◉ Anatomic Areas of the Gingiva. Answer: Free gingiva, Gingival
sulcus, Interdental gingiva, Attached gingiva
◉ Free Gingiva. Answer: Located coronal to the CEJ. Surrounds the
tooth like a turtleneck. Fits snugly around the tooth but
is not attached
◉ Gingival Sulcus. Answer: It is the space between
the free gingiva and the
tooth surface
, ◉ what does he base of the sulcus is form?. Answer: junctional
epithelium
◉ col. Answer: depression in the interdental gingiva that lies directly
apical to the contact area.
◉ Attached Gingiva. Answer: It is located between
the free gingiva and the
alveolar mucosa
◉ where is the attached gingiva the widest. Answer: in the incisor
and molar regions. It is narrowest in premolar regions
◉ Cementum. Answer: Thin layer of hard, mineralized tissue that
covers the surface of the root. Light yellow. Overlies the dentin
◉ Functions of Cementum. Answer: Give attachment to collagen
fibers of the periodontal ligament
◉ Alveolar Bone. Answer: It surrounds and supports the roots of the
teeth in the jaws. Existence dependent on the presence of teeth
