sdi go In an gingivitis 450, sixtylIve consecutiveely treated adolescents who were to receive full-mouth fixed orthodontic appliances Were aWWWWd A two grVupS SOMooKking to age and sex criteria. In We decalcilkation study an addithxwl 30 subjects(95 AND were sibmAilakrl-v assigned to a third group, Mie first grvup0:ontrrJ n=35) used, oantly
deatihice sqMAemmemnind with a 0.4 percent Sai gel(Adl gel grutip, w4M used twice daily for the andfibre 18-month study perio& Ile Thd pmupoa the decalcification study only) used a similar toothpaste and CW5 penant INAAF
The rinse group, it his paper is to review Wo recently reported, long term studies of several chemical .riwemAF n30) Clinical assessments 9f plaque accumulation using the Plaque Index, gingival methods to
to determine whether conventional. tomohMmushbing arid twice daily use of a brush-on 0.4 per cent SnF2 gel containing irsaa Tan 90 per caemnt available Sr?" would be more effective for controlling plaque accumulation and gingivitis in the presence of orthodontic appliarioes Tan emonnvvenAtkional toodbushing aalone. The second study(decalcification study) was desdigned 0 compare the of comi4prodUking deaddhow5mi iri orthodontic patients with either a 11R00 pppm F U01i post; vaed alone, this maw Vothpaste and a 016 peroerit WIF rinse or his Wotlipaste and a Wt pemrcemnt
k6munation using the Gbeval Ind.4 Wo corad stainkig were completed smgle~blmded before appliances were placed and 1, 3, 114, 12 and 18 months after appliaro% mmem placecL MA111cativi was assessed single blial an all labial surNoes of all eraped beeth WOW appliances were placed and 3 months after appliances were removed. The revAts of be ghgivitis study hidicated that the SdI gel gump had shigmABcantdly lower scores for the Maque Indekw5b]) end Gkinygimal InInJAX01) at all madhations during orthodontic treatment Tan did to conthrol group. In WAY gel gray, omne subject developed mild commal AdApT and two stilects developed mmodhermate AAA, In the decaldciflickatkion study, when pre-treatment levels of decaldhcatlan were subtawted from poomptreenathmnamt values, significantly lower decalciBicamthmn scoreaf§
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