BPA was synthesized 100 years ago and its estrogenic properties were recognized in the 1930s. This component quickly became widely used in the manufacturing of plastics and coatings even though there was evidence indicating that exposure to BPA could be harmful to health and to infant development.1 Studies have shown that BPA is a risk factor for cancer, infertility and enamel malformations.2 3 4 It is recommended that pregnant women and young children avoid exposure to BPA.1

The European Union banned the use of BPA in the manufacturing of baby bottles in 2011 and this law was expanded to include all food containers in January 2015.
Dental resins are more and more widely used due to their exceptional qualities allowing greater strength and easier use as well as better esthetics. However, these products frequently contain BPA or BPA derivatives such as Bis-GMA, Bis-DMA or TEGDMA.1
Concerned with respecting the health of their patients, Pulpdent proposes a full range of products without BPA or BPA derivatives. Patients are therefore able to fully benefit from the latest technologies in resins and sealants without exposing themselves to the possible harmful effects of BPA and its derivatives.

The mouth naturally contains moisture: dentin contains approximately 15% of water and enamel approximately 4%. However, dental resins have traditionally been hydrophobic and thus require a dry working surface. But drying the dentin changes the natural chemical composition of the tooth and makes it sensitive. Most traditional resins are also designed to be passive or neutral in the mouth. This passive approach does not recognize the positive potential of using active or dynamic materials in the oral environment.*

Pulpdent developed Embrace WetBond and ACTIVA BioACTIVE, hydrophilic resins and sealants which work with the moisture in the mouth. These resins and sealants react positively to water, taking advantage of the moisture naturally present in the mouth.
Although Embrace WetBond and ACTIVA BioACTIVE are hydrophilic and contain a small quantity of water, they are not soluble. And they are capable of interacting with the environment in the mouth, adjusting to the continous changes in pH cycles that the saliva and oral environment undergo. When the pH is low, the demineralization process releases calcium and phosphate ions from the surfaces of the teeth. When the pH increases, these ions come into contact with the fluoride ions in our saliva and spread over the teeth in the form of fluoroapatite which is acid-resistant. This understanding has allowed for progress in oral health care resulting in technologies that allows us to take advantage of the natural and bioactive healing abilities of the moisture in the mouth environment.
The goal is to neutralize the causes of caries and maximize the potential for remineralization.

*McCabe JF, et al. Smart materials in dentistry. School of Dental Sciences, Newcastle University, UK

In the presence of moisture, ACTIVA Bio ACTIVE has the unique ability to create hydroxyapatite, the primary mineral component of enamel and dentin.

Enamel and dentin can develop small cracks for various reasons such as occlusal pressure, the use of dental burs, the use of certain restorative materials or the presence of caries. The formation of hydroxyapatite can prevent these cracks by provoking a kinetic reaction in the tooth structure itself.

«A bioactive material creates an environment compatible with osteogenesis, and in some cases, compatible with soft tissues by developing a natural bonding interface between living and non-living materials.»
(Cao W, Hench LL. 1996)

«A bioactive material is capable of stimulating, on the surface of the tooth, the formation of hydroxyapatite in the presence of saliva or moisture.»
(SR Jefferies, 2014.)