Prevent is a light-curing resin sealant for pits and fissures that assists in preventing caries in posterior teeth by forming an effective mechanical barrier against plaque accumulation on the occlusal surface. The sealed surface favors hygiene through a more homogeneous topography and less recesses that could retain food. Furthermore, the incorporated fillers provide greater resistance to wear and longevity to the resin, while the embedded fluoride acts in parallel to prevent caries.
Characteristics and Advantages
• More filler: the incorporation of 50% filler to its weight allows the sealant to increase its resistance to wear and thus increases its activity time in the mouth.
• Recharge potential: the ionomer filler in the sealant can recharge and release fluoride into the mouth as a way of replacing the fluoride released.
• Incorporation of fluoride: the sodium fluoride incorporated into the material combines all the known benefits of this component in the prevention of decay.
• Versatility: Prevent is presented in two versions (tinted or opaque white), varying the color and opacity to better adapt to the case.
• Excellent viscosity: the flow of material was dosed to facilitate filling all of the recesses on the occlusal surface of molars and complex anatomy of premolars.
• Effectiveness: he material has excellent wettability, which generates proper sealing capacity of the grooves and fissures.
• Ready for use: the application is done directly from the syringe, without manipulation.
• For posterior teeth with complex anatomy, in order to prevent decay by forming a mechanical barrier on the surface, preventing plaque buildup. Factors such as the risk/caries and level of hygiene must be taken into account when indicating sealing for the patient.
Step by Step
Before indicating the sealing of teeth, refer to the Instructions for Use of the product.
Check occlusal contacts, noting if there are occlusal interference zones in the regions of pits and fissures.
Isolate the tooth preferably with absolute or relative isolation.
Apply phosphoric acid conditioner (Condac 37 – FGM) for 30 seconds, rinse thoroughly and dry the surface.
The etched enamel will have a whitish opaque appearance and should be kept free from contamination by fluids. If the area becomes contaminated, repeat the isolation procedure (if necessary) and the acid etching.
Adjust the application tip in the Prevent sealant syringe and apply the resin throughout the area of pits and fissures, avoiding occlusal interface regions.
Light cure the product for 20 seconds*.
Check occlusion again.
*Case study contributed by Drs. Gislaine Denise Czlusniak, Yasmine Mendes Pupo, João Carlos Gomes.
Sealing repair case studies:
The patient who received the sealant must periodically return to the office to check the integrity of the material. In this session, a clean and dry operating field must be prepared in order to make a proper clinical examination:
1. If there is no more material on the tooth surface, proceed as per the first application (prophylaxis, isolation, etching and sealing).
2. If there is remaining material on the surface, test its adhesiveness with an exploratory probe. The surface should be cleaned, conditioned for 30 seconds, rinsed and dried before applying Prevent Sealant to the area.
Note: it is essential that after application of Prevent Sealant the patient should be included in a preventive program with diet and hygiene control, and that the seal integrity is checked periodically. If there is a deficiency, reassess the diagnosis of caries before sealing again.
*Curing time defined considering a light-curing device with blue light with power density above 400 mW/cm². Equipment with less power requires greater exposure time. There is no risk of overexposure.
The assessment is usually clinical with the aid of a sharp instrument. The edges of the material are probed, checking for any inconvenient retention or if the sealant has suffered any kind of crack or fracture. Resin sealants can be easily repaired.
Resin sealants are able to release fluoride (see Prevent Sealant’s Technical Profile) and can also be recharged with fluoride. The greatest advantage of resin sealants is their mechanical strength, given that some contain a large percentage of filler (see Prevent Sealant’s Technical Profile).
Information for the Professional
• The product is indicated for professional use only.
• Use Prevent Sealant as stated in the Instructions for Use.
• The use of a light-curing device requires wearing protective eyewear by the entire professional team and patient.
• In the case of contact with the eyes, rinse them thoroughly with running water and contact a doctor immediately.
• Avoid using Prevent Sealant in patients with a history of allergy to methacrylic monomers. In case of allergy, discontinue use and ask the patient to seek medical attention.
• To avoid the risk of irritation, do not apply the sealant in areas with direct contact with the gums.
• To avoid allergic reactions to the methacrylate monomer, we recommend wearing gloves. If Prevent Sealant comes into contact with the hands, wash with water.
• Prevent Sealant is contraindicated when it is not possible to establish a dry surgical field or follow the described technique correctly.
• The packaging of the product should be closed immediately after use.
• Store the product in a clean and dry location in its original packaging.
• Do not expose the product to high temperatures or direct sunlight.
• Store the product at temperatures between 5-30ºC/ 41-86ºF.
• Do not freeze the product.
• The validity period of the product is 2 years from the production date.
• Do not use the product after its expiration date.
• Follow the legislation of your country for disposal of the product.
• Do not reuse empty packaging.
• Keep out of reach of children.
• Protect the product from external contamination.