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29 окт. 2019 г. — 3000 years ago people used chew sticks to scrape their teeth. The 1600s saw the local barber in the tooth whitening business. The barber would .... автор: CM Carey · 2014 · Цитируется: 385 — Whitening strips were introduced into the market in the late 1980's. They deliver a thin layer of peroxide gel on plastic strips shaped to fit .... 21 июл. 2017 г. — Teeth whitening has been around for more than 4000 years. Find out about what ancients civilizations used and just how far the process has .... 3 окт. 2018 г. — Today we find peroxide as an ingredient in many innovative teeth products such as toothpastes and tooth gels which helps people to whiten their .... 19 февр. 2020 г. — People have been whitening their teeth since at least the days of ancient Egypt. Pharaohs believed white teeth signified virility and wealth.. 4 апр. 2017 г. — After more experimentation, in 1918 dentists discovered that exposure to a heating lamp accelerated the lightening process. And in the 1960s, it .... 3 окт. 2019 г. — As strange as it sounds, teeth whitening isn't a 21st-century invention. People have been trying to clean and whiten their teeth for a long, .... 22 окт. 2020 г. — Teeth whitening is very popular and has come a long way. Your dentist explains more about the history of this cosmetic treatment.. The practice of whitening teeth actually began approximately 4,000 years ago in ancient Egypt. Those clever Egyptian ground up a pumice stone and mixed it with .... 7 июл. 2015 г. — A thick whitening gel, Opalescence carbamide peroxide (Ultradent Products), was patented in 1989 and is still the basic technique used today.. Want whiter teeth in Chicago, IL? Click here to learn more about the history and procedure of teeth whitening, offered by the highly-rated MG Dentistry.. 3 янв. 2016 г. — Instead of using the latest Zoom technology, the Ancient Egyptians opted for using white wine vinegar and ground pumice stone. This was .... 30 нояб. 2018 г. — Teeth whitening practices made a few strides in the 20th century. First, dentists in 1918 found that using a heating lamp along with hydrogen .... The plastic whitening strips contain a thin layer of peroxide gel and are shaped to fit the buccal/labial surfaces of teeth. Many different types of whitening .... Post-1900 AD the use of Hydrogen Peroxide came in practice. During 1960, dentist William Klusimer invented peroxide-based different whitening agents and till .... 17 февр. 2021 г. — The original Crest Whitestrips were composed of a thicker, textured, plastic wrap called Impress — the offspring of Saran wrap and the paper .... 14 авг. 2020 г. — Ancient Civilizations and Teeth Whitening ... The ancient Egyptian culture placed a strong emphasis on personal appearance. Pharaohs were .... The application of teeth bleaching products to remove unwanted stains dates back to 1989 when Dr. Van B Haywood sought to satisfy his patients demand for a .... In 1989 a whitening gel known as Opalescence was first patented and tooth bleaching trays were being custom made to fit the exact mold of the patient's teeth. 060951ff0b