17 Questions
What is the main reason why maxillary sinuses are important in dentistry?
Their proximity to upper teeth affects dental diseases
What is the shape of the maxillary sinus cavity?
Approximately pyramidal
What borders the medial wall of the maxillary sinus?
The nasal cavity
What is the radiographic feature of disease within the maxillary sinus?
Similar radiographic changes as in other paranasal sinuses
Which of the following is NOT a part of the maxillary sinus anatomy?
Turbinate bones
What is the normal radiographic appearance of the maxillary sinus?
Radiolucent
What is the relation of the floor of the maxillary sinus to the upper teeth?
It is related to the apices of the upper posterior teeth
What is the main purpose of understanding the anatomy of the maxillary sinus in dentistry?
To understand the relationship between the sinus and upper teeth
What is the main purpose of the Occipitomental (PA waters view) radiograph?
Investigation of the sphenoidal sinus
What is the normal thickness of sinus mucosa?
1 mm
What is the radiological sign of a fluid level in the sinus?
Opacity within the sinus
What is the purpose of the Periapical radiograph?
To evaluate the relationship with upper posterior teeth
What is the effect of sinus mucositis on the mucosal lining?
It increases in thickness by 10 to 15 times
What is the characteristic of a normal sinus mucosa on radiographs?
It is not visualized
What is the radiological sign of a foreign body in the sinus?
The presence of a foreign body
What is the purpose of the Panoramic radiograph?
To assess the floor and posterior wall of the sinus cavity
What is the significance of a tooth root covered with a thin layer of bone?
It separates the tooth root from the sinus
Learn about the anatomy and radiographic appearance of the maxillary sinus, as well as the radiographic presentation of sinus pathologies and their relation to dental diseases. This quiz covers the importance of maxillary sinuses in dentistry and their proximity to upper teeth.
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