Table 3: A breakdown of the participants’ responses to the second section regarding their knowledge of dental procedures requiring prophylactic antibiotics.

Dental procedures Responses
Correct Incorrect I don’t Know
Procedures that do not require antibiotic prophylaxis according to the AHA guidelines
Supra-gingival scaling 86% (319) 9.5% (35) 3.5% (13)
Class II fillings 60.5% (222) 30.5% (112) 9% (33)
Crown preparation 75.5% (277) 18.8% (69) 5.7% (21)
Root canal treatment 35.1% (129) 61.3% (225) 3.5% (13)
Routine anaesthetic injections through non-infected tissue 75.5% (277) 18.8% (69) 5.7% (21)
Dental radiography 95.5% (352) 2.2% (8) 1.9% (7)
Placement of removable prosthodontic or orthodontic appliances 80.9% (297) 9.8% (36) 9.3% (34)
Adjustment of orthodontic appliances 70.3% (258) 18.3% (67) 11.4% (42)
Placement of orthodontic brackets 65.4% (240) 25.3% (93) 9.3% (34)
Shedding of deciduous teeth 76% (279) 3.3.% (12) 20.7% (76)
Bleeding from trauma to the lips or oral mucosa 41% (152) 45.5% (167) 13.1% (48)
Procedures that require antibiotic prophylaxis according to the AHA guidelines
Forceps extractions 75.5% (277) 18.3% (67) 5.8% (23)
Implant placement 75.2% (276) 13.9% (51) 10.9% (40)
Sub-gingival scaling 70.3% (258) 22.6% (83) 7.1% (26)
Surgical extractions 86.4% (317) 9.8% (36) 3.8% (14)

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