The general recommendation is to use over-the-counter whitening products up to two times a year. Using whitening products too often can lead to increased tooth sensitivity or white spots — this is natural and due to certain areas of your teeth that have a lack of calcium (also known as hypocalcification). Excessive whitening can make the spots more prominent.

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^ SCCNFP (1999). Scientific Committee on Cosmetic Products and Non-Food Products intended for Consumers. Hydrogen peroxide and hydrogen peroxide releasing substances in oral health products. SCCNFP/0058/98. Summary on and 2002.31.10) Cost of Dental Implants HIDDEN DANGERS
Integration failure is rare, particularly if a dentist's or oral surgeon's instructions are followed closely by the patient. Immediate loading implants may have a higher rate of failure, potentially due to being loaded immediately after trauma or extraction, but the difference with proper care and maintenance is well within statistical variance for this type of procedure. More often, osseointegration failure occurs when a patient is either too unhealthy to receive the implant or engages in behavior that contraindicates proper dental hygiene including smoking or drug use. Dental Implants Clinic Nurident- UK patient from London