The maximum rate of eruption, as the tooth cusps reach the surface epithelium is around ________ μm/day?

Related Mcqs:

1. The maxillary molar crown of an early fossil primate featured a trigone made of three main cusps, these cusps were_____________?

   A. Distrobuccal, distolingual and Mesiolingual
   B. Distolingual, Mesiobuccal, and Linguo buccal
   C. Mesiobuccal, Distobuccal and Mesiolingual
   D. Mesiolingual, Mesiobuccal and distolingual

2. Periodontal fibres joining cemental surface of one tooth, to cemental surface of adjacent tooth are called____________?

   A. Gingivodental
   B. Cemental fibres
   C. Horizontal fibres
   D. Transseptal fibres

3. Biomechanism that unites the epithelium to the tooth surface is_____________?

   A. Internal basal lamina
   B. Junctional epithelium
   C. Reduced enamel epithelium
   D. Epithelial attachment

4. White patch is seen on the buccal mucosa consisting of pseudomycelium and chalmydospores with desquamated epithelium adjacent to it, the patient is suffering from epithelium adjacent to it, the patient is suffering from_____________?

   A. histoplasmosis
   B. cryptococcosis
   C. candidiasis
   D. coccidiomycosis

5. An asymptomatic tooth has deep has deep caries on occlusal surface. Radiograph shows radiopaque mass at apex of the tooth: this mass is most likely to be:____________?

   A. Cementoma
   B. Condensing Osteitis
   C. Chronic apical periodontitis
   D. Acute apical periodontitis

6. Tooth eruption is due to______________?

   A. Osteoclastic activity
   B. Proliferation of cells at crypt
   C. Exforliation of primary tooth
   D. Eruptive force

7. Movement of tooth to close the intermaxillary gap during eruption is due to____________?

   A. Physiological tooth migration
   B. Active eruption
   C. Passive eruption
   D. None of the above

8. The most accepted theory of tooth eruption is____________?

   A. Hydrodynamic theory
   B. Clone theory
   C. Periodontal ligament traction theory
   D. Vascular theory

9. In considering the process of eruption, the pre-functional eruptive stage of a tooth begins when the_____________?

   A. Bud stage begins
   B. Cap stage begins
   C. Bell stage begins
   D. Dental lamina begins forming

10. Beginning of eruption of permanent tooth starts_____________?

    A. After completion of root
    B. When apical third root is still to be formed
    C. When half of the root is still to be formed
    D. when root formation starts