a Occlusal surfaces of teeth b Proximal surfaces of teeth at the contact area c

A occlusal surfaces of teeth b proximal surfaces of

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a- Occlusal surfaces of teeth. b- Proximal surfaces of teeth at the contact area. c- Lingual surfaces of teeth. d- Labial surfaces of teeth in the gingival third. PDF created with pdfFactory Pro trial version
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20. Acute necrotizing ulcerative gingivitis can best be diagnosed by --- ------------------------. a- Clinical signs and symptoms. b- Bacteriologic examination. c- Biopsy. d- Visual examination and palpation. 21. Patient should be encouraged to reduce his frequency of sucrose intake to -----------------------------------------. a- Help to slow new plaque accumulation . b- Increase caries activity. c- Stop new plaque formation. d- Eliminate periodontal disease. 22. Soft brushes are favored for periodontal patients because they ------ ----------------------------------------. a- Stay cleaner after use. b- Are more flexible & allow the patient to reach more areas than harder ones. c- May be used to reach the bottom of the pocket. d- Cause less tooth abrasion than harder ones. 23. The endodontic cavity preparation for anterior teeth is always made on the -------------------------- surface. a- Labial. b- Lingual. c- Buccal. d- Incisal. PDF created with pdfFactory Pro trial version
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  • Spring '20
  • Oral hygiene, dental plaque, Dental caries, c- Rubber dam

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