ODP Revision Questions with Correct Answer
Describe the pulpal sensory supply (3) - Answer-- Max & mand branch of trigeminal nerve
- Nerve endings predominantly nociceptive (pain)
- Contains A-delta fibres & C-fibres
What ingredients will be present if treatment option is nerve desensitisi...
ODP Revision Questions
with Correct Answer
Describe the pulpal sensory supply (3) - Answer-- Max & mand branch of trigeminal
nerve
- Nerve endings predominantly nociceptive (pain)
- Contains A-delta fibres & C-fibres
What ingredients will be present if treatment option is nerve desensitising? (3) With
example of product - Answer-- Potassium nitrate
- Potassium chloride
- Potassium citrate
- E.g. Sensodyne original
What ingredients will be present if treatment option is tubule obturation? (4) With
example of products - Answer-- Sodium fluoride (TPs/MWs/Varnish)
- Potassium oxalate liquids
- Resin bonding agents (Seal&Protect)
- Restorations (GIC)
Which toothpaste components can help in occluding tubules? (4) With examples of
products - Answer-- Strontium Acetate
- Silica (Colgate sensitive)
- NovaMin (GSK Sensodyne repair)
- Arginine (Colgate Pro-Relief)
Intrinsic source of erosion - Answer-Gastric acid
Extrinsic sources of erosion - Answer-Diet
Industrial
Critical pH of enamel - Answer-5.5
Critical pH of dentine - Answer-6.5
Explain what BEWE stands for, how it is scored & what each score is equal to - Answer-
- Basic erosive wear examination
- Scored by sextant
, - 0 = no erosive wear
- 1 = initial loss of surface texture
- 2 = distinct defect, hard tissue loss <50% of area
- 3 = hard tissue loss > 50% of area
List what BEWE scores would equal a no, low, medium, high risk - Answer-None = 2 or
less
Low = 3 - 8
Medium = 9 - 13
High = 14+
pH of hydroxyfluorapatite - Answer-4.5
Water fluoridation level that causes flurosis - Answer->2ppm
Physiological mobility can be recorded up to.. - Answer-0.4mm
What is the pH of Hydroxyfluorapatite? - Answer-4.5
What is the normal anatomical distance between the CEJ & the alveolar bone crest? -
Answer-0.5 - 2mm
What mm markings are present on a Williams probe? - Answer-123 5 78910
What measurements = LOA - Answer-Pocket probing depth + recession
What proportions of bacteria would be found in a healthy gingival crevice? - Answer-
40% streptococci, 40% actinomyces, 20% anaerobes
What proportions of bacteria would be found in moderate gingivitis? - Answer-25%
streptococci, 25% actinomyces, 50% anaerobes
Calculus consists of what percentage of inorganic compounds? - Answer-70-80%
Calculus is composed of mostly 4 principle types of calcium phosphate crystals, which
one is present in the highest content? - Answer-Hydroxyapetite
The periodontal ligament in health is how wide? - Answer-0.2-0.4mm
Define dentine hypersensitivity - Answer-A short, sharp pain arising from exposed
dentine in response to a stimuli (thermal/evaporative/tactile/osmotic/chemical) which
cannot be ascribed to any other dental defect or disease
Structure of dentine-pulp complex (6) - Answer-- Dentine/pre dentine
- Microscopic layer
- Layer of odontoblasts
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