(A) Osteoblast
(B) Fibrocytes
(C) Polymorphs
(D) Osteoclasts

(A) Fat
(B) Mucin

(C) Cartilage
(D) Iron

(A) By using 10% formalin
(B) By using liquid or solid Co2
(C) By using increasing percentages of alcohol
(D) By using 5% nitric acid

(A) 10% formalin
(B) 40% formalin
(C) 20% formalin
(D) 10% alcohol

(A) Primary teeth
(B) Permanent teeth
(C) Both A and B
(D) None of the above

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

(A) Plays a passive role
(B) Becomes a fibrotic non-vital mass
(C) Initiates resorption from the inner surface of roots
(D) Aids in formation of secondary dentin slowing down resorption

(A) Osteoclasts
(B) Osteoblasts
(C) Odontoclasts
(D) Odontoblasts

[A]. Lingual to primary teeth
[B]. Inferior to primary teeth
[C]. Labial to primary teeth
[D]. A and B

(A) Cementoid
(B) Incremental line
(C) Cellular cementum
(D) Acellular cementum