RDA Exam: Questions & Answers; Updated A+ Guide Solution

Supernumerary teeth are best detected using what type of image receptor? (Ans- panoramic The most common radiographic exposure used to evaluate a dental implant on an adult is: bitewing. panoramic. occlusal. periapical. (Ans- periapical Compared to a dentulous patient, radiographic exposure time on an edentulous adult patient should: remain unchanged decrease be doubled increase (Ans- decrease Which image would be best utilized to see the relationship of the alveolar bone? Periapical Vertical bitewing Horizontal bitewing Occlusal (Ans- vertical bitewing Where is the most common area in the oral cavity for a dentigerous cyst? Around the third molars Around the canines Between the central incisors Between the premolars (Ans- around the third molars After using a lead apron on a patient for digital radiograph exposure, it should be: sprayed with high level disinfectant. covered with a barrier. wiped with intermediate disinfectant. folded and stored in a closed cupboard for future use. (Ans- wiped with intermediate disinfectant The total destruction of microorganisms and spores on reusable instruments is accomplished by: disinfecting. sterilizing. ultrasonic immersion. spraying with a germicide. (Ans- sterilizing A panoramic image appears to have a "reverse smile" when the: Frankfort plane is angled upward. midsagittal plane is angled to the right. midsagittal plane is angled to the left. Frankfort plane is angled downward. (Ans- Frankfort plane is angled upward