What Is A Pit And Fissure Sealants?

April 03 00:58 2019 Print This Article

It is defined as a material which is used to fill the teeth in which the dental caries is in early stages. This material does not react with other substances. It is an effective material to treat the dental caries. It is used to fill the pit and fissures which are present on the occlusal surface of posterior teeth like pre molars and molars.

What are the different types of Pit and fissure sealants?

It includes the different generations of pit and fissure sealants. It includes the type 1, 2, 3 and 4. It is also divided as self activation and light activation.

The first generation of pit and fissure sealants includes the activation with the help of ultra violet light. The second generation of pit and fissure sealants includes the activation with the help of self cure. The third generation of pit and fissure sealants includes the activation with the help of visible light. The fourth generation of pit and fissure sealants includes the activation with the help of fluoride releasing resin.

Where Pit and fissure sealants can be indicated?

It includes the use where the caries is in early stage. It is also used in the cases where the molars have just erupted in a 6 year old child. It can be used in the tooth where there is almost no loss of calcium so that the hardness can be maintained. All decisions must be based on the clinical judgment.

Where Pit and fissure sealants can be contra indicated?

It includes that there is no specific contra indication for this disorder. But it must not be used when the caries has reached on to the inner layers of teeth. There is softness on the teeth with loss of lots of calcium. The tooth with wide pit and fissure sealants and which can be isolated and is not used in the case of half erupted teeth.

How pit and fissures can be applied?

It includes the different stages of application. These are the cleaning and polishing, washing and drying, etching, isolation and drying, use of bonding agent and material, bonding and curing. There is a recall also.
The cleaning and polishing includes the use of water along with the pumice. It helps to remove the plaque.

Washing and drying includes the use of water and air to dry the tooth.
Etching includes the use of phosphoric acids which is at the concentration of 50 percent. This process forms the pores which are present in the enamel. The resin forms and flows through the pores and gives rise to tags. The etching time is not the same. It depends on the shape of enamel. Most of the cases it is 15 seconds.

Isolation and drying includes the use of air as long as the resin is applied and cured. The tooth can be dried with the help of cotton rolls as well as suction tips. One can also go for rubber dam.

Use of bonding agent and material includes the use of curing agents along with the material which is applied as per manufacturer’s instructions.

Bonding and curing includes the use of a check on the high points, excess of material and to see whether the pit and fissures are sealed. The material is attached to the enamel.

A recall is made to check to see if the material is attached or not. The retention of sealant is a very important factor.

What are the factors which affect the retention of Pit and fissure sealants?

It includes the age of patient, skill of the operator and the position of teeth. Other important factor is the type of sealant.

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