A Chondroblasts

B Odontoblasts

C Osteoblasts

D Fibroblasts

A Formocresol pulpotomy

B Root canal therapy

C Calcium hydroxide pulpotomy

D Apexification

A Type I Collagen

B Type II Collagen

C Type III Collagen

D Type IV Collagen

A Cohort study.

B Case reference study.

C Ecological study.

D Experimental study.

A Final setting of occlusion

B Used in uncooperative patients

C Esthetics

D Gingival margin inflamed during orthodontic treatment

A Cephalosporins

B Ibuprofen

C Carbamazepine

D Paracetamol

A 12 mm in length

B 1.2 mm in length

C 12 mm in width

D 1.2 mm in width

A Streptococci

B Bacteroides

C Spirocheates

D Actinomyces

A Periodontal hoe

B Periodontal curette

C Periodontal probe

D Periodontal sickle

A Type I alpha error

B Type II beta error

C Gamma error

D All of the above