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36. The use of antimicrobial agents in dentistry plays a significant role in managing oral 
infections. Which of the following classes of antibiotics is commonly prescribed for the 
treatment of dental infections? 
( ) Antivirals 
( x ) Penicillins 
( ) Antifungals 
( ) Analgesics 
( ) Antihistamines 
 
37. The development of dental fluorosis is associated with excessive fluoride exposure 
during tooth development. Which of the following factors is most closely linked to the 
occurrence of dental fluorosis in children? 
( ) Low dietary fluoride intake 
( ) Adequate oral hygiene 
( x ) Ingestion of fluoride supplements 
( ) Regular dental visits 
( ) Use of fluoride toothpaste 
 
38. The role of dental professionals in educating patients about oral health is vital for 
preventive care. Which of the following topics is most important to include in patient 
education regarding the prevention of periodontal disease? 
( ) The history of dentistry 
( ) The benefits of dental insurance 
( ) The importance of tooth whitening 
( x ) Proper brushing and flossing techniques 
( ) The evolution of dental materials 
 
39. The diagnosis of oral diseases often requires the use of various diagnostic tools. Which 
of the following methods is considered the gold standard for diagnosing dental caries? 
( ) Visual examination only 
( ) Patient history 
( x ) Radiographic examination 
( ) Salivary testing 
( ) Clinical examination alone 
 
40. In the context of oral health disparities, certain populations are at a higher risk for 
dental diseases. Which of the following factors is most likely to contribute to oral health 
disparities among low-income communities? 
( ) Access to dental care 
( ) Higher education levels 
( ) Ability to afford dental insurance 
( x ) Limited resources for preventive care 
( ) Increased awareness of oral health 
 
41. The oral cavity is home to a diverse microbiome that plays a crucial role in maintaining 
oral health. Which of the following factors can disrupt the balance of the oral microbiome, 
potentially leading to oral diseases? 
( x ) Antibiotic use 
( ) Consuming a balanced diet 
( ) Regular dental cleanings 
( ) Maintaining proper oral hygiene 
( ) Drinking plenty of water 
 
42. The term "occlusion" refers to the relationship between the upper and lower teeth 
during biting and chewing. Which of the following occlusal relationships is considered 
ideal for optimal dental function and aesthetics? 
( x ) Class I occlusion 
( ) Class II occlusion 
( ) Class III occlusion 
( ) Crossbite 
( ) Open bite 
 
43. The introduction of digital dentistry has transformed the way dental professionals 
provide care. Which of the following technologies is considered a key advancement in 
digital dentistry that enhances the accuracy of dental impressions? 
( ) Traditional alginate impressions 
( x ) Intraoral scanning 
( ) Manual wax models 
( ) Bite registration paste 
( ) Radiographic imaging 
 
44. The primary purpose of dental bonding is to improve the aesthetics and function of 
teeth. Which of the following clinical situations is most appropriate for the application of 
dental bonding? 
( ) Root canal therapy 
( x ) Repairing chipped or fractured teeth 
( ) Extracting teeth 
( ) Placing dental implants 
( ) Performing periodontal surgery 
 
45. The management of patients with special needs in dentistry requires a tailored 
approach. Which of the following considerations is most important when treating patients 
with disabilities? 
( ) Ignoring their needs 
( x ) Ensuring accessibility and comfort 
( ) Rushing through the appointment 
( ) Avoiding communication 
( ) Treating them like any other patient 
 
46. The role of saliva in oral health is multifaceted, including protection against caries and 
facilitation of digestion. Which of the following components of saliva is primarily 
responsible for its antibacterial properties? 
( ) Mucins 
( x ) Lysozyme 
( ) Amylase 
( ) Electrolytes 
( ) Antibodies 
 
47. The practice of dental hygiene involves various procedures aimed at preventing oral 
diseases. Which of the following procedures is primarily focused on the removal of plaque 
and calculus from tooth surfaces? 
( ) Tooth extraction