Article 1: Perceptions of Patients’ Smiles: A Comparison of Patients’ and Dentists’ Opinions 

1. To which feature of their faces did patients assign the lowest mean satisfaction rating in this study?
Select answer A. lip shape B. tooth shade C. tooth alignment D. tooth shape

2. Which feature of their faces did patients younger than 50 years rate significantly higher than older patients did?
Select answer A. lip shape B. tooth shade C. tooth alignment D. tooth shape

3. Which one of the following features was rated among all patients as being most important for an attractive face?
Select answer A. eyes B. eyebrows C. nose D. teeth

4. Which one of the following features of an attractive face was rated as significantly more important by women than by men?
Select answer A. eyes B. eyebrows C. nose D. teeth

Article 2: A Survey of the Current Approaches to Diagnosis and Management of Oral Premalignant Lesions 

1. Which one of the following adjuvant clinical tests was most frequently used by responders in their initial assessment of lesions?
Select answer A. toluidine blue vital staining B. brush biopsy C. exfoliative cytology D. chemiluminescent light

2. Which of these lesion findings was the most frequently reported as accelerating a clinician’s decision to perform a biopsy?
Select answer A. pedunculated white lesions B. ulceration C. induration and a red component D. nonhomogenous surface

3. For which one of the following parameters did the largest proportion of clinicians recommend only one follow-up assessment per year?
Select answer A. uniform white lesions B. uniform red lesions C. white striated lesions D. mixed-patched lesions

4. Which of the following treatments for oral premalignant lesions that recur after excision was most preferred by responders?
Select answer A. laser removal B. performance of another biopsy C. topical therapy D. follow-up only

Article 3: Gingival Involvement in Crohn Disease 

1. Approximately what percentage of people with Crohn disease develops at least one extraintestinal manifestation?
Select answer A. 10 to 15 percent B. 25 to 35 percent C. 40 to 50 percent D. 60 to 75 percent

2. Each of the following is a common oral manifestation of Crohn disease except which one?
Select answer A. hypertrophy and swelling of the lips B. raised lesions of mixed red and white coloration C. cobblestone appearance of the buccal mucosa and palate D. deep ulcerations within the vestibule and on the gingiva

3. What percentage of patients with oral lesions due to Crohn disease is estimated to have developed oral manifestations before developing gastrointestinal symptoms?
Select answer A. about 5 percent B. only 10 to 20 percent C. about one-third D. up to 60 percent

4. Which one of the following medications is a systemic steroidal agent?
Select answer A. prednisone B. azathioprine C. methotrexate D. hydroxychloroquine

Article 4: In Vitro Protection Against Dental Erosion Afforded by Commercially Available, Calcium-Fortified 100 Percent Juices 

1. Which one of the following juices was found to be the least acidic in this study?
Select answer A. apple juice without calcium B. orange juice without calcium C. grapefruit juice without calcium D. white grape juice without calcium

2. Which one of the following juices was associated with the lowest mean enamel surface lesion depth?
Select answer A. apple juice without calcium B. orange juice without calcium C. grapefruit juice without calcium D. white grape juice without calcium

3. Which one of the following was associated with the lowest mean root surface lesion depth?
Select answer A. apple juice with calcium B. orange juice with calcium C. grapefruit juice with calcium D. white grape juice with calcium

4. Which one of the following was associated with the largest mean surface lesion depth?
Select answer A. apple juice without calcium on enamel surfaces B. orange juice without calcium on enamel surfaces C. grapefruit juice with calcium on root surfaces D. white grape juice with calcium on root surfaces

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