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Which of the following structures does the maxilla help to form?
The maxilla is formed by a single bone.
False
Name one articulation of the maxilla.
Zygomatic bone
The alveolar process forms the sockets and supporting bone for the maxillary ______.
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Match the following maxilla articulations with their respective bones:
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Which process is responsible for forming the upper dental arch?
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The maxilla articulates with the mandible directly.
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What is one implication of a cleft lip and palate?
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The maxilla articulates with the _______ bone internally.
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How many processes does the maxilla have?
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What is the most common facial birth defect in the UK?
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A cleft lip can affect both sides of the lip simultaneously.
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What are some common difficulties associated with cleft palate?
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Modern surgery for cleft lip and palate produces excellent _______ and functional results.
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Match the type of cleft with its description:
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Which process of the maxilla articulates with the zygoma?
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The palatine process of the maxilla forms the roof of the oral cavity.
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What is the function of the maxillary sinus?
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The _____ process of the maxilla contacts the frontal bone.
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Match the following maxillary components with their descriptions:
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Which of the following surfaces is not a part of the maxilla?
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Cleft palate occurs during the development of the palate.
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What does the term 'zygomatic arch' refer to?
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The _____ surface of the maxilla forms the floor of the orbit.
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Match the maxillary features to their views:
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Which feature helps form the upper face?
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The infra-orbital foramen is located on the medial surface of the maxilla.
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Name the two primary cavities formed by the palatine process of the maxilla.
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The _____ surface forms the wall of the infratemporal region.
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Study Notes
Maxilla Overview
- The maxilla consists of two paired maxillary bones forming the upper jaw.
- Central to the upper facial skeleton, it plays a role in facial structure and the formation of various regions including the infratemporal area, orbital floor, and roof of the oral cavity.
Articulations of the Maxilla
- Articulates with several bones including:
- Nasal Bone
- Frontal Bone
- Zygomatic Bone
- Vomer
- Palatine Bone
- Internal articulations involve the Lacrimal Bone, Ethmoid Bone, and Inferior Concha.
- The maxillary teeth connect to the mandible via the Temporomandibular Joint.
Maxillary Processes and Surfaces
- Contains four main processes:
- Alveolar Process: Supports maxillary teeth; forms the upper dental arch.
- Zygomatic Process: Located laterally, supporting the zygomatic arch.
- Frontal Process: Connects with the frontal, nasal, and lacrimal bones.
- Palatine Process: Horizontal structure forming the roof of the oral cavity and the floor of the nasal cavity.
- Features four surfaces:
- Facial Surface: Forms the upper face.
- Nasal Surface: Contributes to the lateral wall of the nasal cavity.
- Orbital Surface: Forms the floor of the orbit.
- Infratemporal Surface: Forms the wall of the infratemporal region.
Maxillary Sinus
- A large air space located in each maxilla, extending in various directions and closely related to the roots of maxillary molars.
Abnormalities: Cleft Lip and Palate
- Cleft Palate: A developmental condition where the two halves of the palate fail to fuse; often associated with cleft lip. Occurs in about 1 in 700 births in the UK.
- Cleft Lip: Can range from a small notch to an extensive gap reaching the nose. It may affect one or both sides of the lip.
- Surgical interventions can yield excellent aesthetic and functional outcomes, usually starting in the first few months of life.
- Associated challenges include feeding difficulties, hearing issues, dental anomalies, and speech problems.
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Description
This quiz covers essential aspects of the maxilla, including its main features, parts, and articulations. By the end of this session, you will gain a thorough understanding of the maxilla and its significance in dental and oral health patient management.
