Podcast
Questions and Answers
What is the primary role of the alveolar process of the maxilla?
What is the primary role of the alveolar process of the maxilla?
- Forms the lateral wall of the nasal cavity
- Articulates with the zygomatic bone
- Forms the sockets and supporting bone for the maxillary teeth (correct)
- Forms the orbital floor
Which of the following bones does NOT articulate directly with the maxilla?
Which of the following bones does NOT articulate directly with the maxilla?
- Nasal bone
- Mandible (correct)
- Frontal bone
- Zygomatic bone
The palatine process of the maxilla contributes to the formation of which structures?
The palatine process of the maxilla contributes to the formation of which structures?
- Anterior nasal spine and infratemporal fossa
- Zygomatic arch and alveolar sockets
- Floor of the orbit and lateral nasal wall
- Roof of the oral cavity and floor of the nasal cavity (correct)
A patient presents with sinusitis primarily affecting the maxillary sinus. Given its anatomical relationships, inflammation of this sinus might directly affect which of the following?
A patient presents with sinusitis primarily affecting the maxillary sinus. Given its anatomical relationships, inflammation of this sinus might directly affect which of the following?
What is the primary function of the orbital surface of the maxilla?
What is the primary function of the orbital surface of the maxilla?
Which process of the maxilla projects upwards to articulate with the frontal bone?
Which process of the maxilla projects upwards to articulate with the frontal bone?
A cleft palate results from the incomplete fusion of which structures during development?
A cleft palate results from the incomplete fusion of which structures during development?
Where is the zygomatic process of the maxilla located?
Where is the zygomatic process of the maxilla located?
What is the main function related to the infratemporal surface of the maxilla?
What is the main function related to the infratemporal surface of the maxilla?
Which of the following accurately describes the incidence of cleft lip and palate in the UK?
Which of the following accurately describes the incidence of cleft lip and palate in the UK?
Besides forming part of the upper face, what other significant region does the maxilla contribute to?
Besides forming part of the upper face, what other significant region does the maxilla contribute to?
A patient has a fracture involving the anterior nasal spine. Which functional impairment might you expect?
A patient has a fracture involving the anterior nasal spine. Which functional impairment might you expect?
What is a common characteristic of the maxillary sinus?
What is a common characteristic of the maxillary sinus?
In which direction does the frontal process of the maxilla project?
In which direction does the frontal process of the maxilla project?
How does the maxilla contribute to the nasal cavity?
How does the maxilla contribute to the nasal cavity?
What surgical outcome is typically expected for a cleft lip?
What surgical outcome is typically expected for a cleft lip?
Which of the following features is located on the lateral surface of the maxilla?
Which of the following features is located on the lateral surface of the maxilla?
What is the clinical significance of understanding the relationship between the maxillary sinus and the maxillary molars?
What is the clinical significance of understanding the relationship between the maxillary sinus and the maxillary molars?
In a facial fracture involving the zygomatic process of the maxilla, which bone's articulation could be directly affected?
In a facial fracture involving the zygomatic process of the maxilla, which bone's articulation could be directly affected?
What is a common early intervention for a child born with a cleft lip?
What is a common early intervention for a child born with a cleft lip?
Which of the following is NOT a process of the maxilla?
Which of the following is NOT a process of the maxilla?
Which bones articulate with the frontal process of the maxilla?
Which bones articulate with the frontal process of the maxilla?
Which structures does the palatine process of the maxilla form?
Which structures does the palatine process of the maxilla form?
Which of the following gives buttressing contribution to the zygomatic arch?
Which of the following gives buttressing contribution to the zygomatic arch?
Which of the following is a function of the maxilla?
Which of the following is a function of the maxilla?
With what does the maxillary teeth articulate?
With what does the maxillary teeth articulate?
Which bones articulate internally to the maxilla?
Which bones articulate internally to the maxilla?
Which of the following contains the incisive foramen?
Which of the following contains the incisive foramen?
Which of the following features can be seen from the medial view of the maxillary bones?
Which of the following features can be seen from the medial view of the maxillary bones?
Which process of the maxillary bone helps form the upper dental arch?
Which process of the maxillary bone helps form the upper dental arch?
Select the correct location the anterior nasal spine.
Select the correct location the anterior nasal spine.
Which of the following surfaces of the maxilla helps form the upper face?
Which of the following surfaces of the maxilla helps form the upper face?
Select the surface that helps to form the wall of the infratemporal region.
Select the surface that helps to form the wall of the infratemporal region.
The maxillary bone is made up of how many maxillary bones joined together?
The maxillary bone is made up of how many maxillary bones joined together?
Which of the following articulations occur 'side by side'?
Which of the following articulations occur 'side by side'?
What percentage of babies are affected in the UK by cleft lip and palate?
What percentage of babies are affected in the UK by cleft lip and palate?
Apart from the zygoma, with which other facial bone does the zygomatic process articulate?
Apart from the zygoma, with which other facial bone does the zygomatic process articulate?
Which bones articulate closely with, but not the frontal process or palatine process?
Which bones articulate closely with, but not the frontal process or palatine process?
Which abnormalities affect the maxilla?
Which abnormalities affect the maxilla?
If a patient has an infection that erodes through the medial wall of the maxillary sinus, which of the following spaces is MOST likely to be directly affected?
If a patient has an infection that erodes through the medial wall of the maxillary sinus, which of the following spaces is MOST likely to be directly affected?
Why might dental professionals consider the anatomical relationship between the maxillary sinus and the alveolar process?
Why might dental professionals consider the anatomical relationship between the maxillary sinus and the alveolar process?
A surgeon preparing to repair a cleft palate needs to understand the anatomy of the palatine process of the maxilla. Which statement accurately describes this structure?
A surgeon preparing to repair a cleft palate needs to understand the anatomy of the palatine process of the maxilla. Which statement accurately describes this structure?
After a traumatic injury, a patient exhibits impaired movement of the upper lip and difficulty with smiling. Which structure of the maxilla is MOST likely to have been affected?
After a traumatic injury, a patient exhibits impaired movement of the upper lip and difficulty with smiling. Which structure of the maxilla is MOST likely to have been affected?
Why might a fracture of the zygomatic process of the maxilla indirectly affect the orbital region?
Why might a fracture of the zygomatic process of the maxilla indirectly affect the orbital region?
Flashcards
What makes up the maxilla?
What makes up the maxilla?
The maxilla (upper jaw) is composed of two maxillary bones joined together.
Maxilla's role in facial structure?
Maxilla's role in facial structure?
The maxilla forms a large part of the upper facial skeleton.
What does the maxilla help form?
What does the maxilla help form?
The maxilla helps form the face, infratemporal region, orbital floor, lateral wall of nasal cavity, and roof of oral cavity.
What bones articulate with the maxilla?
What bones articulate with the maxilla?
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Internal articulations of the maxilla?
Internal articulations of the maxilla?
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How does maxilla articulate with the mandible?
How does maxilla articulate with the mandible?
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What are the 4 processes of the Maxilla?
What are the 4 processes of the Maxilla?
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How many surfaces does the maxilla have?
How many surfaces does the maxilla have?
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What is the Alveolar Process?
What is the Alveolar Process?
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What's the role of the Zygomatic process (ZP)?
What's the role of the Zygomatic process (ZP)?
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Function of the Frontal process?
Function of the Frontal process?
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Role of the Palatine process?
Role of the Palatine process?
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Where is the frontal process visible?
Where is the frontal process visible?
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Where is the infra-orbital foramen visible?
Where is the infra-orbital foramen visible?
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Where is the Zygomatic process visible?
Where is the Zygomatic process visible?
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Where is the anterior nasal spine?
Where is the anterior nasal spine?
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Where is canine eminence located?
Where is canine eminence located?
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Where can the frontal process be seen?
Where can the frontal process be seen?
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Viewing the skull, Where is the infra-orbital Foramen?
Viewing the skull, Where is the infra-orbital Foramen?
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Where do you see the anterior nasal spine?
Where do you see the anterior nasal spine?
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Is the anterior nasal spine medial or lateral?
Is the anterior nasal spine medial or lateral?
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Where can the palatine process be seen?
Where can the palatine process be seen?
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Where is the incisive foramen?
Where is the incisive foramen?
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From a medial view, what structure can be seen?
From a medial view, what structure can be seen?
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Where cab the Maxillary sinus be easily seen?
Where cab the Maxillary sinus be easily seen?
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The palatine process, viewable from where?
The palatine process, viewable from where?
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When viewing medially, the alveolar process is always seen?
When viewing medially, the alveolar process is always seen?
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What does the orbital surface form?
What does the orbital surface form?
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What does the facial surface form?
What does the facial surface form?
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What does the nasal surface form?
What does the nasal surface form?
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Infratemporal surface
Infratemporal surface
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What is a Cleft Palate?
What is a Cleft Palate?
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How common is Cleft lip?
How common is Cleft lip?
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How severe is a Cleft Lip?
How severe is a Cleft Lip?
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What is the extent of a cleft palate?
What is the extent of a cleft palate?
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Can clefts hide?
Can clefts hide?
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What difficulties does Cleft palate cause?
What difficulties does Cleft palate cause?
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Study Notes
Overview of the Maxilla
- The maxilla, or upper jaw, comprises two maxillary bones that join together.
- It forms a significant portion of the upper facial skeleton.
- It contributes to the formation of the face, infratemporal region, orbital floor, the lateral wall of nasal cavity, and the roof of the oral cavity.
GDC Learning Outcomes
- Dental, oral, craniofacial, and general anatomy should be described
- The application to patient management must be explained
Session Learning Outcomes
- Describe main features of the maxilla
- List main parts of the maxilla
- List articulations of the maxilla
- Processes and Surfaces of the maxilla should be described
- Describe cleft lip and palate and its implications
Articulations of the Maxilla
- Articulates with the opposite maxilla (side by side).
- Nasal Bone
- Frontal Bone
- Zygomatic bone
- Vomer
- Palatine bone
- Lacrimal bone
- Ethmoid bone
- Inferior concha
- Maxillary teeth articulate with the teeth of the mandible through the temporomandibular joint.
Maxillary Processes
- The maxilla features 4 processes, 4 surfaces, and foramina.
- The Alveolar Process forms the sockets and supporting bone for the maxillary teeth
- The alveolar processes of both maxillae form the upper dental arch
- Zygomatic process (ZP) is located on the lateral aspect and is the buttressing contribution to the zygomatic arch
- The Frontal process of Maxilla (FP) is a bar of bone that projects upward from the anterosuperior aspect to contact the frontal bone.
Palatine process
- Horizontal shelf projecting from the medial aspect towards the midline and its opposite counterpart.
- Forms the roof of oral cavity and floor of the nasal cavity.
Maxillary bones features - Facial view:
- Frontal process
- Infra-orbital foramen
- Zygomatic process
- Anterior nasal spine
- Canine eminence
Features of the maxillary bones - Lateral view:
- Frontal process
- Infra-orbital foramen
- Anterior nasal spine
- Alveolar margin
- Orbital surface
- Zygomatic process
- Maxillary bone
Features of the maxillary bones - Palatal (inferior) view:
- Incisive foramen (fossa)
- Palatine process
Features of the maxillary bones - Medial view:
- Frontal process (1)
- Maxillary sinus (2)
- Palatine process (3)
- Alveolar process (4)
Maxillary Surfaces
- Orbital Surface that forms the floor of the orbit.
- Facial forms the upper face
- Nasal forms the bulk of the lateral wall of the nasal cavity.
- Infratemporal forms the wall of the infratemporal region.
Maxillary Sinus
- Large air space, with one in each maxillary bone.
- It extends anteriorly to the facial surface
- Extends laterally to the zygomatic process, and posteriorly to the infratemporal wall.
- Extends inferiorly down to the alveolar process
- Closely related to the roots of the maxillary molars
Abnormalities of the Maxilla
- Cleft Palate occurs during development of the palate.
- In a cleft palate, the 2 halves of the palate do not fuse properly.
- Cleft lip and palate is the most common facial birth defect in the UK, affecting around 1 in every 700 babies.
- Modern surgery produces excellent aesthetic and functional results.
- Cleft lip is surgically revised in the first few months of life.
- A cleft lip may affect one side of the lip, or there may be 2 clefts.
- The cleft lip ranges from a small notch to a wide gap that reaches the nose.
- A cleft palate may be an opening at the back of the mouth, or a split in the palate from back to front.
- Sometimes it can be hidden by the lining of the roof of the mouth (the mucosa).
- Difficulties with Cleft Palate will be discussed in greater detail in Year 2, and involves difficulty feeding, hearing problems, dental problems, and speech problems.
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