Cavity protection for milk teeth
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KINDER KAREX Toothpaste is ideal for the daily brushing of baby teeth: It cleans effectively and provides scientifically confirmed protection against cavities – with "BioHAP" instead of fluoride. This not only reduces the risk of fluorosis from possible fluoride overdose, but is also completely safe if swallowed.
BioHAP remineralizes teeth and protects against cavities
Without fluoride – reduces the risk of fluorosis
Risk-free dosage – safe if swallowed
The mild flavor is popular with children
Fluoride is a widely distributed mineral that we absorb through food and water. It is not an essential nutrient; while it protects against cavities, an overdose can quickly lead to fluorosis or other health problems.
Fluoride is omnipresent in our daily livesᑎ: toothpaste, tea, fish with bones, fluoridated salt, seafood, mineral water, grain products.
The addition of fluoride in toothpaste is particularly controversial for children under 6 years of age. Children in particular swallow a large portion of their toothpaste.
The uncontrollable swallowing of fluoride toothpaste can be particularly harmful to children. Therefore, the common recommendation is to use a rice grain-sized amount of toothpaste.
An overdose can cause fluorosis.
With KAREX, swallowing toothpaste is no longer a risk. Swallowing the active ingredient BioHAP is completely safe and without risk.
BioHAP repairs the enamel and remineralizes small lesions evenly down into the underlying layers of the tooth.
In this way, BioHAP also protects against the development of new cavities.
The microcrystalline structure of BioHAP forms a protective layer on the tooth surface during dental care.
Acids and bacteria cannot attack the enamel directly.
Brushing teeth with KAREX Toothpaste:
▲ Limeback, H., Enax, J. & Meyer, F. (2021): Can J Dent Hyg. 2021 Oct 1;55(3):148–159.
◓ Amaechi, B.T., AbdulAzees, P.A., Okoye, L.O. et al. (2020) BDJ Open 6, 98-159
△ Sudradjat, H., Meyer, F., Fandrich, P. et al. (2024): BDJ Open 10, 7
Original article: www.focus.de
Original article: www.nytimes.com
Original article: edition.cnn.com
Original article: www.theguardian.com
Original article: www.newsweek.com
The use of fluoride in toothpaste is particularly controversial for children under 6 years of age. Children in particular swallow a large portion of the toothpaste.
Due to the intake of additional sources of fluoride (vitamin D supplements with fluoride, fluoridated salt, etc.), the risk of developing fluorosis (white spots on the teeth caused by increased fluoride intake) increases significantly. For example, the German Federal Institute for Risk Assessment points out that if a children’s toothpaste with 500 ppm fluoride is swallowed, just as much fluoride is ingested as, for instance, through fluoridated salt.
According to the new recommendations, the amount of swallowed fluoride can therefore double. The risk of fluorosis is significantly higher with toothpastes that have a higher fluoride content (from 1000 ppm).
KAREX relies on the tooth-related active ingredient Hydroxyapatite (BioHAP) in all products. When swallowed, it is simply dissolved in the stomach. Numerous studies confirm its effectiveness: Hydroxyapatite repairs enamel with every brushing, reduces bacterial adhesion, and thus provides effective protection against cavities.
Our tooth enamel consists almost entirely of Hydroxyapatite. That is why BioHAP (biomimetic Hydroxyapatite) is used as an active ingredient in oral care. The highly concentrated active ingredient also serves as a source of calcium and protects our teeth against bacterial acids. Numerous studies confirm the benefits of Hydroxyapatite in the field of oral care and prevention.
Numerous publications confirm the effectiveness of BioHAP in dental care. These include not only laboratory studies (in vitro) but also studies with test specimens under oral cavity conditions (in situ), as well as, in particular, clinical studies on patients (in vivo).
For more information, feel free to read the German short summary or the original study. You can get an overview of the large number of studies on Hydroxyapatite as an active ingredient in dental care by browsing our study database (usable without registration).
KINDER KAREX is suitable for babies from the first tooth. Thanks to the tooth-related active ingredient Hydroxyapatite (BioHAP), the toothpaste is suitable for all young children from 0 years of age who are not yet able to spit properly. Babies and young children can effectively protect their teeth against cavities with KINDER KAREX. The flavor has been chosen by children for children.
About 97% of our tooth enamel and around 70% of our dentin consist of Hydroxyapatite. Tooth enamel forms the outer protective layer of the teeth. Bacteria attach to the enamel and, with the help of sugar from food, produce harmful acids. These acids dissolve the enamel, and cavities develop.
KINDER KAREX Toothpaste contains the tooth-related active ingredient Hydroxyapatite, which adheres to the tooth while brushing. With daily brushing, even small defects in the enamel can be repaired by the active ingredient Hydroxyapatite, and a protective layer can form on the tooth. This protective layer makes it more difficult for bacteria to adhere to the tooth. KINDER KAREX with Hydroxyapatite thus provides effective protection against cavities.
KINDER KAREX Toothpaste is also suitable for electric toothbrushes. KINDER KAREX Toothpaste is easy to dose and can be applied well even on smaller brush heads.
During the development of KINDER KAREX Toothpaste, special care was taken to use only the necessary ingredients. KINDER KAREX Toothpaste contains Hydroxyapatite as its main active ingredient and is free from fluoride and free from sodium lauryl sulfate.
KINDER KAREX contains xylitol. Xylitol also helps to prevent cavities.
The active ingredient BioHAP contained in KINDER KAREX releases calcium during (bacterial) acid attacks. This protects the teeth against demineralization and supports remineralization (the re-deposition of calcium and phosphate).
The flavor contains very small amounts of menthol and eucalyptol. Please take this into account if your child is receiving homeopathic treatment.
No. KINDER KAREX does not contain wheat and can be used in cases of gluten intolerance.
No, KINDER KAREX Toothpaste does not contain nanoparticles.
KINDER KAREX does not contain any animal-derived ingredients and is therefore also suitable for vegans.
No, KINDER KAREX Toothpaste does not contain titanium dioxide.
Since 2015, the U.S. National Toxicology Program (NTP) has been investigating the effects of fluoride on neurotoxicity and endocrine disruption. The brain responds sensitively at 1–2 mg/l, the thyroid gland at 2–4 mg/l.ᑎ
The correct toothpaste dosage not only protects against cavities but also prevents fluoride overdose. The official recommendation for fluoride toothpaste is: pea-sized. Studies show that parents use significantly more toothpaste.ᐳ
Fluoroses are unsightly white spots on the teeth that are caused by excessive fluoride intake and remain for a lifetime.
While most children's toothpastes contain fluoride, KAREX toothpaste offers a modern alternative with BioHAP. This nature-inspired active ingredient works without fluoride and reduces the risk of fluorosis.
Especially young children cannot yet spit out toothpaste properly. Since KAREX Toothpastes are fluoride-free, there is no increased risk of fluorosis even if swallowed.
The active ingredient BioHAP is simply dissolved in the stomach and is safe even if swallowed.
Furthermore, special care was taken during the development of our toothpaste to use only necessary ingredients. Therefore, we deliberately avoid the use of sodium lauryl sulfate and titanium dioxide, for example.
During bacterial acid attacks, BioHAP releases calcium, which maintains the healthy mineralization of the enamel and reduces the tooth-damaging acidic pH value in the oral cavity.
The bacteria in the oral cavity are bound by BioHAP and prevented from forming a biofilm on the teeth – but not killed.
In this way, BioHAP helps to keep the oral flora in its natural balance.
