Dental Hygiene Exam Questions and Answers, Exams of Computer Science

Download Dental Hygiene Exam Questions and Answers and more Exams Computer Science in PDF only on Docsity! Computer Simulated Clinical Examination- Dental Hygiene Exam Questions with Answers 100% Accuracy MRSA - Correct Answers Methicillin-resistant Staphylococcus aurous-is a strain of the staph bacteria that lives on 20-30% of the population but does not cause infection in all who are colonized with it. MRSA resides on the skin and in the nasal passage, and once you contract a MRSA staph infection it can be very difficult to eradicate the bacteria. MRSA antibiotics - Correct Answers Many antibiotics can be used to treat this condition. Look for any of these: vancomycin, linezolid, bactrim, spectra, tetracycline, minocycline, doxycycline, and clindamycin. Prednisone - Correct Answers Delayed wound healing, poor healing, with increased risk of infection. This medication affects the immune response. Ultrasonic insert with plastic tips - Correct Answers Can be used with implants for removal of calculus. Also, titanium and plastic hand instruments can be used on implants. Oraqix duration - Correct Answers Approximately 20 minutes. Hutchinson's Incisors - Correct Answers Congenital syphilis- notched incise edges on incisors, also mulberry molars- tiny globules of enamel instead of cusps on first molars. Class I Occlusion - Correct Answers (Mesognathic)-normal; mesiobuccal cusp of the maxillary first molar is positioned in the buccal groove of the mandibular first molar. Maxillary canine occluded with the distal half of the mandibular canine and the mesial half of the mandibular first premolar. Class II Occlusion - Correct Answers (Retro gnathic) buccal groove of the mandibular first permanent molar is distal go the mesiobuccal cusp of the maxillary first permanent molar by at least the width of a premolar. Distal portion of the maxillary canine is mesial to the mesial portion of the mandibular canine by at least the width of a premolar. Division I-returned mandible with one or more maxillary anterior teeth protruded facially. Division II- returned mandible with one or more maxillary anterior teeth inclined lingual. Class III Occlusion - Correct Answers (Pragmatic) Buccal groove of the mandibular first permanent molar is mesial to the mesiobuccal cusp of the maxillary first permanent molar by at least the width of a premolar. Mesial portion of the maxillary canine is distal to the distal surface of the mandibular canine by the width of a premolar. Leeway space - Correct Answers This difference in size, mesiodistally between the two types of teeth. The contour of the bone covering the narrower roots of the premolars, in addition to the state of flux of the bone formation in this area, furnishes adjustment for dental arch measurements, making the middle segment of the arches important architecturally. Leeway space allows the future forward movement of the permanent molars. Hairy tongue - Correct Answers Elongation of fusiform papillae (dorsum) clean tongue. Hairy leukoplakia - Correct Answers Lateral border, white, corrugated lesions, associated with HIV, Epstein Barr virus. Geographic tongue - Correct Answers Benign, inflammatory condition, irregular patches look like map. Anemia - Correct Answers Impaired O2 delivery, 1st pale tongue, flattening of fusiform papillae, finally painful and red. Fissured tongue - Correct Answers Associated with xerostomia, clean tongue. Median Rhomboid Glossitis - Correct Answers Raised, red, glossy, slanted rectangular shape on dorsum due to Candida albinos infection. Mucocele - Correct Answers Swelling due to mucus from accessory salivary glands, common, most mandibular labial mucosa. Angular chelates - Correct Answers Red fissures at commissures, C. albinos and Staphylococcus aurous, nutritional deficiency, denture irritation. 4 classic features of infection - Correct Answers Heat Pain Redness Swelling Hematoma - Correct Answers Larger localized bruise, black eyes, mistakenly injecting posterior superior alveolar vein. Traumatic ulcer - Correct Answers Chemicals (aspirin burn), heat (food), mechanical force, ill-fitting denture, broken tooth, dental injection, kids chewing numb lip after anesthesia, thumb sucking. Eruption cyst - Correct Answers Soft tissue cyst surrounding the crown of an erupted tooth. organic solids that only composes a small percentage of plaque. Acids from plaque are what causes caries, not gingivitis. Plaque - Correct Answers 80% water. Of the 20% remaining- 70-80% of that is bacteria and the other 20% of that is inorganic and organic components. Inorganic components - Correct Answers Phosphorous, Calcium, Magnesium, and Fluoride. Elements IN periodic table and are Inorganic. Organic components - Correct Answers Lipids, Proteins, and Carbohydrates. Lipids are derived from: - Correct Answers Endotoxins from gram - bacteria. Proteins are derived from: - Correct Answers Saliva into supragingival plaque. Washing hands between patients should be done for how long? - Correct Answers At least 15 seconds. (sometimes 15-20 seconds, so if you don't see 15 as a choice, choose 20) Angular Chelates - Correct Answers Caused by Candida albinos. Also, by nutritional deficiencies-riboflavin (B2) and iron deficiency anemia, which can be evidence of poor diets or malnutrition? Zinc deficiency has also been associated with it. Also, it could be a sign of anorexia or bulimia due to malnutrition and as a side effect of constant vomiting. It affects corners of lips. Crepitus - Correct Answers When the TMJ pops, clicks, or grinds. Conditions that CANNOT be wiped away - Correct Answers Leukoplakia, Snuff Keratosis, and aspirin burn. Conditions that CAN be wiped away - Correct Answers Pseudomembranous candidiasis Solar chelates - Correct Answers Benign or pre-malignant changes on the lip due to chronic sun exposure. It is also often called actinic chelates, and sometimes, actinic chelates with histological atypical. It affects the vermillion portion of lip. What side of the instrument is placed on the stone for sharpening? - Correct Answers Junction of the face and lateral surface. The entire lateral side should be sharpened. Angle between the instrument face and the stone should be 110 degrees. The best way to sharpen an instrument to preserve the blade? - Correct Answers Water with stone. If the patient is in a panoramic machine, can they have a thyroid collar? - Correct Answers They should NOT be wearing a thyroid collar. If a patient is not allergic to penicillin and has infectious endocarditis, what pre- medication should be used? - Correct Answers Amoxicillin 2 grams. After you dismiss your patient and are transferring and processing instruments all would apply: - Correct Answers Carry instruments in a safe container to transport, wear gloves, use ultrasonic machine. A mask and safety goggles are not needed for transporting your instruments to the lab, nor processing them in the lab. If you see a photograph with inflammation around a porcelain crown, then the inflammation is most likely due? - Correct Answers A poorly fitted restoration. An inflamed area on the buccal mucosa directly across from the maxillary molars. What is inflamed? - Correct Answers Papilla of stemsons duct. Lingual of tooth #19. Why does it have a 6mm pocket? - Correct Answers Rough restoration is the best answer. Ultrasonic scalers - Correct Answers Can be used on dental implants provided they have a plastic tip added to the inserts. These single use tips must be used on LOW power and is effective in removing plaque and calculus around titanium implants and abutments. It is not indicated for heavy calculus. Retrocuspid papilla - Correct Answers A circumscribed nodule that lies lingual to the mandibular cuspid on the gingival tissue. It is observed more frequently in young children and seems to regress or disappear with age. Taurodontism - Correct Answers A condition found in the molar teeth of humans whereby the body of the tooth and pulp chamber is enlarged vertically at the expense of the roots. The underlying mechanism of taurodontism is the failure or late invagination of Her twig’s epithelial root sheath, which is responsible for root formation and shaping causing an apical shift of the root furcation. When is the pH level at its highest in regards to eating meals? - Correct Answers Highest right after a meal. Edentulous patient with big ulcer on palate - Correct Answers Apthous ulcer or due to irritation. Superimposition on a radiograph - Correct Answers Can be done with any film, but mostly seen in the lower anterior. Same thing as double exposure. Double exposure - Correct Answers Results when the receptor is exposed twice and two images appear superimposed onto each other. How often do you need to have your patient sign HIPPA form? - Correct Answers Just once. But hippo website says sign once every 3 years. What is not caused by a tongue piercing? - Correct Answers Best answer bacteremia. Fractured tooth, trigeminal neuralgia, and recession caused by piercing. What would you not use for heavy deposits? - Correct Answers Graceys-they are considered for fine scaling. Magnetostrictive - Correct Answers Elliptical pattern meaning all sides are active. Piezo - Correct Answers Linear and only lateral sides are active. How many hours for cold sterilization? - Correct Answers 10 hours. But usually given 8 as a choice. If a patient comes into an office due to gum inflammation issues, what is the right course of action? - Correct Answers First step is always have dentist to a complete evaluation before perforating any treatment. Hypoglycemia - Correct Answers Fast pulse, dizziness, and fast heart rate. Where would you use a grace instrument with a short shank? - Correct Answers Shallow pockets. Most important component of decay - Correct Answers Acid. Diet soda - Correct Answers (No sugar) can cause more decay than regular soda because of the acid content. Contraindication to sealant? - Correct Answers Interproximal caries. Vitamin C deals with - Correct Answers Connective tissue, helps cuts and wounds heal, aids in iron absorption, and collagen formation. Pernicious Anemia - Correct Answers Vitamin B12. Best proof of destruction of tissues - Correct Answers Attachment loss. Columbia blade to terminal shank - Correct Answers 90 degrees. How does desensitizing agent work? - Correct Answers Sensitive toothpastes work by either occluding the exposed dentinal tubules or by desensitizing the nerve endings in the dentinal tubules with potassium ions.