OSCE Dental Hygiene Study Guide with Complete Solutions Latest 2023/2024 Bass Method - Correct Answer Most widely used method. Bristles are angled at a 45 degree angel towards the gingiva.Stillman's Method - Correct Answer Bristles are positioned on the gums rather than into the pockets and directed at a 45 degree angle.Charter's Method - Correct Answer Bristles are directed occlusally, away from the gingiva. Useful for cleaning orthodontic brackets, prosthesis, and areas treated with surgeries.Fone's Method - Correct Answer Bristles are moved in large circular motion on the buccal and lingual surfaces. Useful for children, those physically impaired, or adults who lack manual dexterity.Fluoride Varnish - Correct Answer -Dries immediately upon contact with saliva.-Does not require a professional prophylaxis before hand.-Can eat and drink immediately after.-Avoid brushing, rigorous rinsing, or hard foods for 3 to 4 hours.-Easier and more effective method
Fluoride is recommended for patients who: - Correct Answer -Have xerostomia
-High caries risk -Undergoing cancer therapy -Orthodontics Fluoride Gel or Foam (office application) - Correct Answer -Applied onto tray and placed in patient's mouth usually for 4 minutes (Read manufactures label).-Do not eat, drink, or smoke for 30 minutes.-Most popular types are 1.23% APF and 2% Neutral sodium fluoride.Stannous Fluoride - Correct Answer -0.4% available for non-prescription use.-1% neutral sodium fluoride gels available for prescription use.-Can cause extrinsic staining (especially in patient's with inadequate plaque control).Acidulated Phosphate Fluoride (APF) - Correct Answer -Do NOT use of composites, porcelain, or sealant materials as it causing pitting and roughening.-Also avoid on root surfaces.Neutral Sodium Fluoride - Correct Answer Agent of choice on root caries, implants, cosmetic restorations, and reduced salivary flow.Second trimester - Correct Answer safest trimester for dental treatment. 1 / 3
Pregnancy gingivitis - Correct Answer -Caused by an elevation of hormones estrogen and progesterone. Hormones increase can cause exaggerated gingival response to microorganisms.Pyrogenic granuloma (Pregnancy tumor) - Correct Answer localized area of gingival enlargement, typically involving interdental papilla, usually diminishes after delivery of baby.What category of LA can use administer to a pregnant patient? - Correct Answer Category B (lidocaine and prilocaine) Can you use Nitrous oxide sedation and general sedation on a pregnant patient? - Correct Answer relative contraindication (gas interferes with the absorption of B-12 and other nutrients).Early Childhood Caries (ECC) index - Correct Answer -presence of 1 or more areas of decay on a child younger than 6 years of age Severe-Early Childhood Caries (S-ECC) index - Correct Answer -Presence of decay in a child younger than 3 years old.When should a child's first dental appointment occur? - Correct Answer -Within 6 months of the eruption of the first tooth or before 1-year of age.When should you first start brushing a child's teeth? - Correct Answer -When the first tooth appears.Erosion causes - Correct Answer -Anorexia Nervosa -Bulimia Nervosa Anorexia Nervosa - Correct Answer extreme weight loss caused by self-starvation, excessive exercise, use of laxatives, self-induced vomiting.Bulimia Nervosa - Correct Answer compulsive disorder that involves periods of starvation, binging, and purging.Signs and Symptoms of erosion - Correct Answer -dental caries from vomiting -Perimolysis: erosion from vomiting mostly on the maxillary lingual surfaces. Raised appearance of restoration margins.Abrasion - Correct Answer -V-shaped notch in the gingival portion of the facial aspect of the tooth.-Results from forces of friction between the teeth or external objects.-Can happen from improper brushing technique or the use of a toothpick or pipe.Attrition - Correct Answer -Results from forces between the teeth. 2 / 3
-Wear on the incised and occlusal surfaces from grinding.Abfraction - Correct Answer -Biomechanical destruction related to fatigue, flexure, and deformation of tooth structure.-Can appear as a wedge-shaped lesion at the cervical third of the tooth.What is the most effective public health measure to prevent tooth decay? - Correct Answer Community Water Fluoridation New recommended level of fluoride is? - Correct Answer 0.7 ppm Old level of fluoride is? - Correct Answer 0.7-1.2 ppm
HIV can cause: - Correct Answer -Linear gingival erythema
-Kaposi Sarcoma -Delayed healing -Larger than usual ulcers -Candidiasis -Etc.
Diabetes can cause: - Correct Answer -Delayed healing
-Periodontal disease -Candidiasis -Etc.ASA 1 - Correct Answer Normal, Healthy ASA 2 - Correct Answer Pt. with mild systemic diseases.-Allergies -Controlled hypertension -Asthma -Mild obesity -Pregnancy -Cigarette smoking without COPD -Diabetes without systemic effects ASA 3 - Correct Answer Pt. with severe systemic disease and some functional limitation.-Controlled disease of more than one body system -Controlled CHF -Poorly controlled hypertension -Morbid obesity -Respiratory Problems (COPD) -Stable angina ASA 4 - Correct Answer Pt with severe systemic disease that is a constant threat to life.
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