Each of the following may be considered a contributing etiologic factor for the condition of the gingiva in the region of the mandibular anterior central incisors EXCEPT one. Which one is the EXCEPTION?

Each of the following teeth present with radiographic caries EXCEPT one. Which one is the EXCEPTION?

Which of the following instruments would be the best choice for removing the calculus deposit from the distal surface of the maxillary right molar observed in the radiographs?

Which of the following is the most likely interpretation of the long, tubelike radiolucency (arrow) observed in the mandibular right molar periapical radiograph?

While performing periodontal debridement of tooth #5, the instrument breaks. All of the following are appropriate actions EXCEPT one. Which one is this EXCEPTION?

Which of the following extraoral signs of bulimia nervosa is visible in this patient?

If evidence of dental erosion is noted, what should this patient be instructed to use on a daily basis to strengthen the enamel?

This patient is considered legally incompetent in relation to providing informed consent for the treatment received at the dental office. What steps are allowed?

If I want to extend the pink line in the image below to the blue line, I will set my boundary edge to which line?

If I want to extend the green line in the image below to the pink line, I will set my boundary edge to which line?