• How might poor history taking inhibit a patient from providing the information you seek?

• Which features in a pain history might suggest pain of odontogenic, neurological or vascular origin?

• What is the difference between a medical history and a medical history questionnaire?

• What features of the extraoral head and neck examination might suggest systemic disease?

• What are the advantages and disadvantages of the various methods for testing the vitality of teeth? How is it possible to be certain about the vitality of a specific tooth?

• What features in the examination of the hands suggest systemic disease?

• Could you undertake a mucosal biopsy and submit the specimen for diagnosis correctly?

• What features in the history and examination would prompt you to send a biopsy for immunofluorescence testing?

• Which blood investigations might be useful to investigate a patient with oral ulceration?

• How should a sample of pus for culture and antibiotic sensitivity be collected?

• When constructing a differential diagnosis, how would you decide the appropriate order for the various possible diagnoses?

• Which oral conditions may be diagnosed on the basis of the history alone?

• Which normal oral structures may be mistaken for lesions?

• What are the causes of failure of eruption and early loss of deciduous teeth?

• How will you differentiate developmental defects of the teeth from those with other causes?

• Do you know how to plot a family tree for a genetic condition?

• Why are only females affected by vertical ridging of the teeth in amelogenesis imperfecta?

• The challenges of restoring dentitions affected by amelogenesis imperfecta and dentinogenesis imperfecta are different. Explain why in terms of the tooth structure.

• How might radiographic features of the jaws predict colon carcinoma?

• How would you distinguish tetracycline staining and fluorosis?

• Why might a cleft palate indicate a cardiac defect? What are the underlying mechanisms that link these conditions?

• How may caries be prevented by reference to the four major aetiological factors?

• Can caries activity be predicted by investigating the oral or plaque flora?

• Can you explain how different sugars and differing bacterial flora affect the Stephan curve?

• Why is frequency of carbohydrate intake so important in dental caries?

• What are the effects of dietary fluoride on dental caries?

• How does an intact layer of plaque over a carious lesion affect its structure?

• What is the importance of cavitation to the treatment of dental caries?

• How does enamel etching for restorative procedures differ from dental caries?

• Why do patients with erosion caused by dietary acid intake not usually have problems with excessive dental caries?

• How does the viability of the />