Podcast
Questions and Answers
What is the role of primary teeth in the oral cavity?
What is the role of primary teeth in the oral cavity?
- They maintain the position of permanent teeth.
- They are composed of a different material than permanent teeth.
- They serve as placeholders for permanent teeth before they erupt. (correct)
- They are the only teeth involved in mechanical digestion.
Which of the following correctly describes the mandible?
Which of the following correctly describes the mandible?
- It contains only primary teeth.
- It is the bone that forms the lower jaw. (correct)
- It surrounds the upper teeth and forms the tooth sockets.
- It is the bone that forms the upper jaw.
What area does the oral cavity proper include?
What area does the oral cavity proper include?
- Only the floor of the mouth.
- Only the teeth and gums.
- The space between the cheeks and teeth.
- Teeth, hard palate, mobile tongue, and floor of the mouth. (correct)
What is the function of the gingiva?
What is the function of the gingiva?
Which of these is NOT a part of the oral cavity?
Which of these is NOT a part of the oral cavity?
What does the term 'oral vestibule' refer to?
What does the term 'oral vestibule' refer to?
How many permanent teeth does an adult typically have?
How many permanent teeth does an adult typically have?
What is described as the apex of the tongue?
What is described as the apex of the tongue?
Flashcards
Maxilla
Maxilla
The bone that forms the upper jaw.
Mandible
Mandible
The bone that forms the lower jaw.
Alveolar bone
Alveolar bone
Part of the jaw bone that surrounds the teeth and forms tooth sockets
Oral Vestibule
Oral Vestibule
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Oral Cavity Proper
Oral Cavity Proper
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Gingiva
Gingiva
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Tongue
Tongue
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Primary teeth
Primary teeth
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Permanent teeth
Permanent teeth
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Number of Primary teeth
Number of Primary teeth
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Number of Permanent teeth
Number of Permanent teeth
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Study Notes
Commonly Used Dental Terms (Oral Cavity Anatomy)
- Maxilla: The bone that forms the upper jaw.
- Mandible: The bone that forms the lower jaw.
- Alveolar bone: Part of the mandibular and maxillary bone, surrounding teeth and forming tooth sockets.
- Oral vestibule: The space between soft tissue (lips/cheeks) and teeth.
- Oral cavity proper: The region medial to the teeth. It includes teeth, hard palate, mobile tongue, and floor of the mouth.
- Frenum: Tissue connecting the tongue/lips to the floor of the mouth/gum.
- Gingiva (gums): Tissue surrounding and protecting teeth and underlying bone.
- Tongue:
- Tip (apex): The front of the tongue.
- Dorsal surface: The top surface of the tongue.
- Lateral surface: The sides of the tongue.
- Ventral surface: The underside of the tongue.
- Floor of the mouth: The base of the oral cavity. Contains glands, nerves and vessels.
- Palate: The roof of the mouth.
- Hard palate: The bony front portion.
- Soft palate: The muscular back portion.
- Uvula: The soft, fleshy part that hangs from the back of the soft palate.
- Hard palate: Separates the nasal cavity and oral cavity.
- Soft palate: Closes the communication from the oropharynx to the nasopharynx during swallowing.
- Teeth:
- Primary teeth: First teeth to erupt, also called deciduous teeth. Usually fall out.
- Permanent teeth: Teeth that erupt after primary teeth. 32 teeth total (16 in maxilla, 16 in mandible).
- Tooth Anatomy:
- Crown: The part of the tooth above the gum line.
- Root: The part of the tooth below the gum line.
- Pulp: A soft tissue inside the tooth.
- Enamel: Hard, outer layer of the tooth.
- Dentin: Layer beneath the enamel.
- Cementum: Covers the root of the tooth.
- Periodontal membrane: Connects the tooth to the jawbone.
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