Bonding of composite restorations to dentin depends on 1) Acid etching of dentin 2) Difunctional coupling agents 3) Chemical bonding 4) All of the above
Conservative DentistryAnswer: 2
Odontoblasts are drawn into tubules due to 1) Mechanical irritation of the pulp 2) Over heating of the pulp 3) Dehydration of the pulp 4) Excessive stresses on the pulp
Conservative DentistryAnswer: 3
Self etaching primers 1) Simultaneously etch and prime dentin and enamel 2) Etch enamel only 3) Only bond to enamel 4) Only remove smear layer
Conservative DentistryAnswer: 1
According to Black"s classification caries on lingual pits of maxillary central incisors are 1) Class I 2) Class II 3) Class III 4) Class IV
Conservative DentistryAnswer: 1
A ferrule is 1) A rule governing gold inlay cavity preparation 2) A mechanical rapid tooth separator 3) An encircling band of metal that increases fracture resistance of the tooth 4) None of the above
Conservative DentistryAnswer: 3
The base of class III preparation is 1. Axial wall 2. Gingival wall 3. Facial wall 4. Lingual wall
Conservative DentistryAnswer: 1
Difference between class II amalgam and cast restoration is 1. Bevels 2. Occlusal resistance form 3. Outline form 4. Proximal retention
Conservative DentistryAnswer: 1
The main purpose of using the high speeds is 1) To decrease heat production 2) To increase the cutting efficiency 3) To decrease perception of vibrations 4) To decrease the pulpal damage
