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Questions and Answers
What is the primary function of the periodontal ligament?
What is the primary function of the periodontal ligament?
What is the function of the alveolar bone?
What is the function of the alveolar bone?
What are the two main divisions of the gingiva?
What are the two main divisions of the gingiva?
What is the function of the oral mucosa?
What is the function of the oral mucosa?
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What is the function of cementum?
What is the function of cementum?
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What is the primary function of oral tissues?
What is the primary function of oral tissues?
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What is the function of the masticatory mucosa?
What is the function of the masticatory mucosa?
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What is the function of the periodontal tissues?
What is the function of the periodontal tissues?
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Study Notes
Oral Tissues
Oral tissues are the tissues present in the oral cavity, including the teeth, periodontal tissues, and oral mucosa.
Periodontal Tissues
- Periodontal tissues support the teeth and maintain their position in the jawbone.
- They consist of:
- Gingiva (gums)
- Periodontal ligament (PDL)
- Cementum
- Alveolar bone
Gingiva (Gums)
- Gingiva is the mucous membrane that covers the jawbone and surrounds the base of the teeth.
- It is divided into:
- Free gingiva: the portion of gingiva that surrounds the tooth and is not attached to the tooth or bone.
- Attached gingiva: the portion of gingiva that is attached to the tooth and bone.
Periodontal Ligament (PDL)
- PDL is a group of fibrous connective tissue that connects the tooth to the surrounding bone.
- It anchors the tooth in place and provides sensation to the tooth.
Cementum
- Cementum is a thin layer of bone-like tissue that covers the root of the tooth.
- It provides a surface for the periodontal ligament to attach to.
Alveolar Bone
- Alveolar bone is the bony socket that surrounds the root of the tooth.
- It provides support and anchorage for the tooth.
Oral Mucosa
- Oral mucosa is the mucous membrane that lines the oral cavity.
- It is divided into:
- Masticatory mucosa: the mucosa that covers the gingiva and hard palate.
- Lining mucosa: the mucosa that covers the lips, cheeks, and floor of the mouth.
- Specialized mucosa: the mucosa that covers the tongue and soft palate.
Functions of Oral Tissues
- Support and maintain the position of the teeth
- Provide sensation and proprioception (awareness of tooth position)
- Protect the underlying bone and tissues from injury
- Facilitate mastication (chewing) and speech
- Maintain oral health and prevent disease
Oral Tissues
- Oral tissues include teeth, periodontal tissues, and oral mucosa.
Periodontal Tissues
- Periodontal tissues support teeth and maintain their position in the jawbone.
- They consist of gingiva, periodontal ligament, cementum, and alveolar bone.
Gingiva (Gums)
- Gingiva is a mucous membrane that covers the jawbone and surrounds the base of the teeth.
- It is divided into free gingiva and attached gingiva.
Periodontal Ligament (PDL)
- Periodontal ligament is a group of fibrous connective tissue that connects the tooth to the surrounding bone.
- It anchors the tooth in place and provides sensation to the tooth.
Cementum
- Cementum is a thin layer of bone-like tissue that covers the root of the tooth.
- It provides a surface for the periodontal ligament to attach to.
Alveolar Bone
- Alveolar bone is the bony socket that surrounds the root of the tooth.
- It provides support and anchorage for the tooth.
Oral Mucosa
- Oral mucosa is the mucous membrane that lines the oral cavity.
- It is divided into masticatory mucosa, lining mucosa, and specialized mucosa.
Functions of Oral Tissues
- Support and maintain the position of the teeth
- Provide sensation and proprioception
- Protect the underlying bone and tissues from injury
- Facilitate mastication and speech
- Maintain oral health and prevent disease
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Description
Learn about the different types of tissues present in the oral cavity, including periodontal tissues, gingiva, and oral mucosa. Understand their functions and importance in maintaining oral health.
