1 1. For lower premolars, the purpose of inclining the handpiece lingually is to A. B. C. D. Avoid buccal pulp horn Avoid lingual pulp horn Remove unsupported enamel Conserve lingual dentine

2. For an amalgam Restoration of weakened cusp you should A. B. C. Reduce cusp by 2mm on a flat base for more resistance Reduce cusp by 2mm following the outline of the cusp Reduce 2mm for retention form

3. Before filling a class V abrasion cavity with GIC you should A. B. C. Clean with pumice, rubber cup, water and weak acid Dry the cavity thoroughly before doing anything Acid itch cavity then dry thoroughly

4. Which of the following statement about the defective margins of amalgam restoration is true? A. The larger the breakdown, the greater
Use color change tape daily and spore test monthly E. Use color change tape in each load and spore tests weekly 27. A 65 year old woman arrived for dental therapy. The answered questionnaire shows that she is suffering from severe cirrhosis.

5 The problem that can be anticipated in the routine dental therapy is A. B. C. D. E. Extreme susceptibility to pain Tendency towards prolonged haemorrhage Recurring oral infection Increased tendency to syncope Difficulty in achieving adequate local anaesthesia

28. Loss of sensation in the lower lip may be produced by A. B. C. D. E. Bell’s palsy Traumatic bone cyst Trigeminal neuralgia Fracture in the mandible first molar region Ludwig’s angina

29. Patient received heavy blow to the right body of the mandible sustaining a fracture there. You should suspect a second fracture is most likely to be present in A. B. C. D. E. Symphysis region Left body of the mandible Left sub-condylar region Right sub-condylar region sub-condylar region

30. Signs and symptoms that commonly suggest cardiac failure in a patient being assessed for oral surgery are A. B. C. D. E. Elevated temperature and nausea Palpitations and malaise Ankle oedema and dyspnoea Erythema and pain Pallor and tremor

31. A cyst at the apex of an upper central incisor measuring 1 cm in diameter is visualized in radiograph and confirmed by aspiration biopsy; which method of treatment would you consider** A. Extraction of the central