Dentin Hypersensitivity (Amaechi 10)

Question 1

Dentin hypersensitivity is a transient tooth pain, characterized by a short, sharp pain arising from ______ in response to ______ that cannot be attributed to any other form of dental defect or pathology

Answer 1

• exposed dentin

- stimulus

Question 2

Two processes needed for one to experience dentin hypersensitivity

Answer 2

• Lesion localization

- Lesion Initiation

Question 3

The most widely accepted mechanism of action for dentin hypersensitivity is the __________. This theory proposes that when dentin becomes exposed and ‘trigger’ stimuli occur, the ________ moves rapidly.
This results in _________, resulting in short, sharp pain

Answer 3

• hydrodynamic theory
• fluid in the tubule
• stimulation of the pulp nerves

Question 4

Pain in response to cold, sometimes to heat

Answer 4

Thermal stimuli

Question 5

Sensitivity in response to blowing air

Answer 5

Evaporative stimuli

Question 6

Pain in response to touch e.g dental explorer, etc

Answer 6

Tactile stimuli

Question 7

Pain in response to sugar/acid

Answer 7

Osmotic

Question 8

Management of Dentin Hypersensitivity

Answer 8

1. Identify
2. Educate
3. Recommend

Question 9

The effectiveness of ______ as a product to reduce sensitivity is debatable. Recently, _____ has provided the more rapid result.

Answer 9

• potassium ions (present in toothpastes containing 5% potassium nitrate)
• Mechanical occlusion

Question 10

Anti-sensitivity agents

Answer 10

• Gluma
• Fluoride varnishes
• Dentin bonding agent
• Adhesively retained resins
• Glass ionomer
• Calcium sodium Phosphosilicate products (Novamin)
• Tricalcium phosphate
• Theobromine
• Arginine-Calciumbicarbonate/carbonate (SensiStat)
• Potassium Oxalate

Question 11

• Carries Ca and PO4 in a glass which when comes in contact with saliva and water, it reacts and releases Ca and PO4 ions.
• Physically occludes dentin tubules to protect the nerve and prevent pain
• Relief of root surface hypersensitivity

Answer 11

Novamin

Question 12

Management of Dentin Hypersensitivity

Answer 12

Nano-Hydroxyapatite toothpaste and Creme

Question 13

• Arginine complex binds to the tooth surface and allows the calcium carbonate to slowly dissolve and release calcium
• Seals dentinal tubules to stop fluid movement in the tubules that elicit pain
• Relief of root surface hypersensitivity

Answer 13

SensiStat

Question 14

• Carries Ca and PO4 in a glass which when comes in contact with saliva and water, it reacts and releases Ca and PO4 ions.
• Physically occludes dentin tubules to protect the nerve and prevent pain
• Relief of root surface hypersensitivity

Answer 14

Potasium Oxalate e,g. Remesense™, Super Seal™

Question 15

Establish Care Regime to…

Answer 15

• check patient compliance
• monitor wear
• reinforce advice
• encourage maintenance of changed behavior