Divergence from contact area in proximal surfaces causes embrasures____________?

Related Mcqs:

1. Generally , contact areas between posterior teeth are located in which directions from the centr of the proximal surface ____________?

   A. Facially and occlusally
   B. Facially and gingivally
   C. Lingually and gingivally
   D. Lingually and occlusally

2. The incisal edges and the incisal thirds of facial surfaces of mandibular incisors and canines generally oppose lingual surfaces of maxillary incisor and canines _____________?

   A. Within the incisor thirds
   B. At the junction of middle and cervical thirds
   C. At the linguo cervical ridges
   D. Immediately incisal to cingulam

3. Maximum contact between occlusal surfaces, of maxillary and mandibular teeth occur during________________?

   A. Centric occlusion
   B. Rest position
   C. Protrusive contacts
   D. Laterotrusive contacts

4. The term” contact point” which is often used to designate the contact of teeth i the same arch is a_____________?

   A. Synonym
   B. Antonym
   C. Misnomer
   D. Laevonomer

5. Which teeth the proximal aspect shows rhomboidal appearance________________?

   A. Maxillary posteriors
   B. Mandibular posteriors
   C. Maxillary anteriors
   D. Mandibular anteriors

6. The reabsorption of sodium chloride is increased in proximal convoluted tubules by hormones secreted from______________?

   A. Anterior pituitary
   B. Posterior pituitary
   C. Adrenal cortex
   D. Adrenal medulla

7. Amount of glucose absorbed in proximal convoluted tubule_______________?

   A. 100%
   B. 0%
   C. 60%
   D. 50%

8. Proximal renal tubule is most permeable to _______________?

   A. Sodium
   B. Potassium
   C. Bicarbonate
   D. Ammonia

9. Protective crests of contour on buccal and lingual surfaces are found______________?

   A. In the middle third of the lingual
   B. Nearest the occlusal third of the lingual
   C. In the cervical third of the buccal
   D. Both A and C

10. Oral lesions on the tongue and other mucosal surfaces of the oral cavity is caused by the deficiency of_______________?

    A. Vit – B1
    B. Niacin
    C. Vit – C
    D. Vit – K