A. Opens in to the inferior meatus of nose
B. Has the 1st molar projecting into its floor
C. Is fully developed by the age of 8 years
D. Has good drainage in upright position
Related Mcqs:
- Maxillary sinus is described as a four sided pyramid containing base, apex, roof and floor. The apex of maxillary sinus extends________________?
A. Laterally into zygomatics process of maxilla
B. Medially into zygomatic process of maxilla
C. Laterally into lateral nasal wall
D. Superiorly into floor of orbit - In comparison to maxillary central incisor , Maxillary canine has a height of contour that is______________?
A. More
B. Less
C. Same
D. Different on different teeth - A maxillary right canine may be distinguished from a maxillary left canine because ____________?
A. The root curves to mesial in the apical 1/3rd
B. The distal half of canine shows more convexity than the mesical half
C. Facially the cusp tip is placed distal to Bisecting line
D. Lingually the cervical line slopes mesially - The maxillary lateral incisor is smaller than the maxillary central incisor on all aspects EXCEPT which one of the following______________?
A. Crown length
B. Mesiodistal crown width
C. Faciolingual crown width
D. Root length - The tooth present close to maxillary sinus is_________________?
A. 1st molar
B. 2nd premolar
C. 1st premolar
D. 2nd molar - The process of recesses formation in maxillary sinus is most frequently seen with________________?
A. Zygomatic process
B. Frontal process
C. Alveolar process
D. Palatine process - Functional importance of maxillary sinus is______________?
A. Lightening of skull weight and production of bactericidal lysozyme to the nasal cavity
B. Protects the brain against exposure to cold air by arresting air in sinus temporarily
C. Resonance of voice and enhancement of faciocranial resistance to mechanical shock
D. All of the above - The type of epithelium lining maxillary sinus is_______________?
A. Simple columnar
B. Pseudo stratified columnar and cilliated
C. Stratified squamous
D. Simple squamous - Approximately how many enamel rods will be present in a maxillary molar ?
A. 5 million
B. 7 million
C. 9 million
D. 12 million - The size of apical foramen of maxillary teeth in adult is______________?
A. 0.4 mm
B. 0.3 mm
C. 0.2 mm
D. 0.7 mm
