A. 0.4 mm
B. 0.3 mm
C. 0.2 mm
D. 0.7 mm
Related Mcqs:
- The apical foramen of a fully developed permanent tooth is usually lined by_____________?
A. Dentin
B. Cementum
C. Epithelial rest cells
D. The Epithelial diaphragm - A 20yr old patient reports with multiple swelling of the jaws. Clinical examination reveals multiple hard swellings involving the jaws and intra orally several missing teeth are noticed. Panoramic radiograph reveals multiple radio opaque lesions in the maxilla and the mandible with multiple impacted teeth and supernumerary teeth indicative of Gardeners syndrome: The above mentioned condition is______________?
A. Autosomal dominant disease
B. Autosomal recessive disorder
C. X-linked disease
D. A syndrome of unknown cause - 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 - The maxillary nerve exits the cranium through which foramen ______________?
A. Ovale
B. Rotundum
C. Stylomastoid
D. Inferior orbital fissure - A 4-year old child has a normal complemented of primary teeth but they are gray and exhibit extensive occlusal and incisal wear. Radiographic examination indicates extensive deposits of secondary dentin in these teeth. Most likely this condition is______________?
A. Neonatal hypoplasia
B. Amelogenesis imperfecta
C. Cleidocranial dysplasia
D. Dentinogenesis imperfecta - 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 - 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 - In a 60 year old adult, which of the following diseases causes expansile maxillary lesions ?
A. Paget’s disease
B. Acromegaly
C. Fibrous Dysplasia
D. Rickets - In adult teeth, the type of dentin present underlying dentin-enamel junction is_______________?
A. Predentin
B. Mantle dentin
C. Interglobular dentin
D. Tertiary dentin
