Scientific studies
A 2003 scientific study comparing the use of miswaak with ordinary toothbrushing concluded that the results clearly were in favor of the users who had been using the miswaak provided they had been given proper instruction in how to brush using the miswaak[1]. The WHO recommended the use of the miswaak in 1986 and in 2000 an international consensus report on oral hygiene concluded that further research was needed to document the effect of the miswak[2]. Most updated research By Dr Otaybi from Saudi [1] which opened a new area for research on Systemic effects of Miswak ( Sewak ) after discovering its great positive effect on immunity system. Dr.Rami Mohammed Diabi [2]who spent more than 17 years researching on Miswak effects on health and especially its anti-addiction effects [3] on smokers ( curative & Preventive sides ) had opened a great field of science and researches by his last research : "Miswak Medicine theory " or Sewak Puncture medicine [4] which led him to what is so called Beyond Sewak: World of Science and Research)[5] Miswak also is contributing in the fight against desertification (See effects of Salvadora Persica "Miswak tree" on stopping deserts and fixing the soil [6]), thereby affecting our environment and global climate