Where the alveolar mucosa meets the attached gingiva is the?
Muco-gingival junction
In a healthy mouth this is usually knife-edged and fills the interdental space. Muco-gingival junction – The scalloped line that divides the attached gingiva from the alveolar mucosa.
Is alveolar mucosa part of gingiva?
The gingiva is composed of fibrous tissue covered by mucous membrane that is firmly attached to the periosteum of the alveolar processes of the mandible and maxilla. The lower gingiva includes the mucosa covering the mandible from the gingival-buccal gutter to the origins of the mobile mucosa on the floor of the mouth.
Is alveolar mucosa attached?
The alveolar mucosa is contiguous with the attached gingiva. The alveolar mucosa is not attached tightly to the bone. The alveolar mucosa is shiny and not stippled.
What is the alveolar mucosa in dentistry?
Alveolar mucosa is the soft, thin mucous membrane that sits above the marginal gingiva and the attached gingiva, and continues across the floor of the mouth, cheeks, and lips. It is bright red in color due to being rich with blood vessels, and is shiny and smooth in appearance.
What is attached gingiva?
Glossary of periodontal term (1972) – Attached gingiva is that portion of gingiva that extends from the base of gingival crevice to mucogingival junction. It is firm, resilient and tightly bound to underlying periosteum, tooth of alveolar bone through connective tissue.
What is lining mucosa?
Definition. The non-keratinized stratified squamous epithelium that lines many parts of the oral cavity. Supplement.
Why is attached gingiva important?
Historically, the presence of a wide zone of attached gingiva has been considered beneficial, as the gingiva plays an important role in maintaining the periodontium in health. It provides a physical barrier to oral biofilm, dissipates masticatory forces and protects the periodontium from injury.