(A) Mesiobuccal
(B) Distobuccal
(C) Mesiolingual
(D) Distolingual

(A) Tight contacts, absence of spacing
(B) Shallow overjet and overbite
(C) Flush terminal plane
(D) Ovoid arch form

(A) 4 yrs
(B) 6 yrs
(C) 8 yrs
(D) 10 yrs

(A) External and internal oblique
(B) External oblique and transversus abdominis
(C) Internal oblique and transversus abdominis
(D) Internal oblique

(A) Thickness of enamel and dentin
(B) Pulp chambers are longer
(C) Roots are flaring
(D) All of the above

(A) Mandibular first molar
(B) Maxillary first molar
(C) Mandibular second molar
(D) Maxillary second molar

(A) Mesiolingual
(B) Distolingual
(C) Mesiobuccal
(D) Distobuccal

(A) Can attack to smooth enamel surfaces
(B) Can produce insoluble extracellular polysaccharides
(C) Are the main causative agent
(D) Are secondary invaders

(A) Glycogen – like glucan
(B) Dextran-like glucan
(C) Mucopolysaccharide
(D) Amylopectin

(A) More than the patient with normal salivary flow
(B) unaffected
(C) less than the patient with normal salivary flow
(D) None of the above