Viva UPDATED ACTUAL Exam Questions and CORRECT ANSWERS
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Course
Viva
Institution
Viva
Viva UPDATED ACTUAL Exam
Questions and CORRECT ANSWERS
Name the FIVE components of toothbrushing - CORRECT ANSWER- - Soft bristles,
small head
- 45 degree of angle of brush of tooth.
- Small circles with 2-3 teeth per circle
- 15 secs on each side of each quadrant (total 2 minutes)
- Do no...
Viva UPDATED ACTUAL Exam
Questions and CORRECT ANSWERS
Name the FIVE components of toothbrushing - CORRECT ANSWER- ✔✔- Soft bristles,
small head
- 45 degree of angle of brush of tooth.
- Small circles with 2-3 teeth per circle
- 15 secs on each side of each quadrant (total 2 minutes)
- Do not scrub, as scrubbing cause gingival abrasion
What pathology can be identified in a periapical X-ray? - CORRECT ANSWER- ✔✔-
Chronic periapical abscesses: Radiolucency at the root where the bone has been resorbed
from the infection
- Upper posterior impinging on maxillary sinus
- Chronic peridontal abscess: radiolucency adjacent to root of tooth, often in conjunction with
calculus
- Vertical bone loss as a result of periodontal disease
- Perforated apices with root-canal material
What are the causes of tooth sensitivity?/what are 5 causes of dentinal hypersensitivity? -
CORRECT ANSWER- ✔✔Exposed dentine due to:
Dental caries, toothbrush abrasion, Attrition, Erosion, Abfraction, unsealed restoration
margin, deeply restored vital teeth, cuspal fracture, hypoplastic enamel or tooth defect.
Root fracture, gingival recession
Thermal( cold or heat)
Chemical (acids)
Tactile pressure (mechanical abrasion)
Evaporative
Osmotic (sweet foods) can then travel through dentine tubules into pulp, causing pulpitis and
sensitivity.
,Types of fluoride available? Note type and strength: - CORRECT ANSWER- ✔✔18 months
to 5 years- 400ppm (0.04%) NaF toothpaste bd
6 yrs + - 1000 ppm (0.1%) F toothpaste bd as NaF
10 years + Medium risk: NeutraFluor 230ppm mouthwash (0.023% home use d)
10 years + High risk >1 caries/year = NeutraFluor 5000: 5000ppm (0.5%) F as NaF
toothpaste
Acidulated Phosphate Fluoride gel- 12,300 ppm gel professional use on tray, colgate Phos-
flur gel = 5000ppm on tray nocte by patient
Duraphat varnish: 22,600ppm F (2.26%)
Stannous fluoride SnF2 (0.4%) 4000ppm or (0.8%) 8000ppm
Per Hailey, need to list out types of fluoride as follows:
Sodium Fluoride in toothpaste
Stannous fluoride
Acidulated Phosphate Fluoride
Sodium Monofluorophosphate
What are some uses of periodontal mirror? - CORRECT ANSWER- ✔✔Retraction of tongue
and cheek
Indirect vision
Transillumination
Where is the mental foramen intra-orally? What teeth is it related to? - CORRECT
ANSWER- ✔✔It sits inferior to the lower premolar on the lateral aspect of the mandible. It
transports the mental branch of the mandibular division of the trigeminal bnerve, supplying
the labial gingiva.
Where is the origin, insertion and function of the mylohyoid muscle? - CORRECT
ANSWER- ✔✔Origin: Mylohyoid line/Interior oblique line of the medial aspect of the
mandible.
Inserts into: Body of hyoid bone.
Function: elevates the hyoid bone and floor of mouth for swallowing
,What are the causes of xerostomia (need 5) - CORRECT ANSWER- ✔✔Medication:
Anticholinergics/antihistamine, tricyclic antidepressants, SSRI, psych drugs for
schizophrenia, dopaminergic drogs for parkinsonism, beta-blocker inhalers/diuretics,
Dehydration
Caffeine intake
Alcohol intake
Medical conditions: Sjogren's sydnrome/rheumatoid arthritis/SLE, Cystic fibrosis
Diabetes
Smoking
Nerve damage to head/face
Chemotherapy/radiotherapy
Mouthbreathing
What is the treatment for xerostomia? / How can patients enhance saliva flow? (Need 3) -
CORRECT ANSWER- ✔✔Chew sugar free Xylitol gum
Drink more water
Reduce caffeine intake
Reduce alcohol intake
Cease medications affecting saliva flow or use cholinergics
Reduce nicotine/smoking
Reduce intake of sugary/acidic foods
What are the signs of xerostomia? - CORRECT ANSWER- ✔✔Signs: Stringy frothy saliva,
>60 seconds for saliva to reappear after wiping the mucosa
<5mL of saliva after wax chewing for 5 minutes
Difficulty swallowing/chewing, Food remains in mouth between meals.
Constant feeling of dry mouth
, Constant sipping of water
Difficulty pronouncing words
Rampant caries,
Inability to retain full denture
Halitosis
Taste alteration, sense of smell alteration
Oral mucosa inflamed due to lack of lubrication.
Corner of mouth cracked.
If CF: may have chronic respiratory symptoms, chronic sinusitis
If Autoimmune, may also have dry eyes (scratchy), ?contipated, recurrent UTI?
What types of interdental appliances are there? - CORRECT ANSWER- ✔✔Dental floss
ribbon or tape
Flossette (floss holders- Y shaped with thumb grip to allow great access to back teeth)
Dental woodsticks
Interproximal brushes
Superfloss
Floss threader (Flosses under bridges, around implants, orthodontic wires,
Name the different types of dental floss - CORRECT ANSWER- ✔✔Floss
Ribbon
Tape
Waxed/Non-waxed
Flavoured/Non-flavoured
What is the clinical significance of waxed and non-waxed floss? - CORRECT ANSWER-
✔✔Waxed floss: Easier to hold, easier to glide into interproximal spaces
Non-waxed floss holds biofilm more effectively.
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