Before whitening, schedule an oral examination to treat cavities and gum issues; healthy teeth and gums ensure much safer
https://www.mediafire.com/file/o3befn9icv9m7xv/pdf-54850-44416.pdf/file
Before whitening, schedule a dental checkup to deal with cavities and gum problems; healthy teeth and gums guarantee safer, more foreseeable whitening outcomes and comfort.