Fissure Sealants

Question 1

Why seal the tooth?

Answer 1

To decrease prevalence of caries
Children: occlusal, buccal, and lingual surfaces

Adolescent: fissures susceptible to carries

Question 2

Properties of ideal fissure sealants

Answer 2

Low viscosity 
Easy to apply 
Chemical cure 
Non toxic 
Non irritating 
Durable 
Good shelf life 
Economical 
aesthetics 
Easy to spot 
Not inteterefer with occlusion

Question 3

Indications

Answer 3

No active caries 
High risk of carries
Poor OH
Cariogenic diet
Deep pits and fissures 
Xerostomia and radiotherapy 
Caries in one permanent molar 
Extensive caries in primary teeth

Question 4

Contraindications

Answer 4

Shallow pits and fissures 
Multiple interproximal caries 
Caries free individuals 
Primary teeth due to exfoliate soon 
Partially erupted teeth

Question 5

Types of FS

Answer 5

1. Bis GMA Resin
   Concise: light cure or self cure
   Clinpro: light cure with Fl release
   Ultra seal XT
2. GI
   Fuji VII dual cure
   fuji triangle
   Release Fl and can be recharged
3. Compomers
   Dyract seal Fl release Dyract flow