TY - JOUR TT - A prospective clinical evaluation of fixed retainer failures AU - Baka, Zeliha Müge AU - Akın, Mehmet PY - 2018 DA - August DO - 10.17214/gaziaot.299307 JF - Acta Odontologica Turcica JO - Acta Odontol Turc PB - Gazi University WT - DergiPark SN - 2147-690X SP - 75 EP - 80 VL - 35 IS - 3 KW - Ortodontik sabitleyici KW - relaps KW - sağkalım oranı N2 - Objective: The aim ofthis prospective study was to evaluate the failure rate of fixed lingualretainers and to determine the distribution of these failures over a 6-monthperiod.Materials and Method: One hundredand fifty consecutively treated patients (92 females and 58 males, mean age of14.89±1.08 years) who received canine-to-canine fixed lingual retainers afteractive orthodontic treatment were followed up for 6 months. A 0.0215-inchfive-stranded wire (PentaOne, Masel Orthodontics) was bonded to the teeth usingTransbond LR (3M Unitek) adhesive. The patients were examined in the 1st, 3rd,and 6th months after retention. The retainer failures during the 6-monthobservation period were registered, and statistically analyzed using aCochran’s Q test at a significance level of p<0.05.Results:Retainerfailures were seen in 14 patients, and the total failure rate was 9.3%. Thehighest failure rate was seen in the first month (p<0.05). The female patientsexhibited a higher failure rate than the male patients (p<0.05), and threepatients had repeated failures. The failure rate was higher in the mandiblewhen compared with the maxilla (p<0.05),and in the rightquadrant for both the maxilla and the mandible. The total survival rate was90.7%.Conclusion: The result of this study revealed that higher number of failuresoccurred in the first month of fixed retention. Therefore, regular clinicalcontrols are necessary to determine bonding failures. CR - Joondeph DR, Riedel RA. Retention and relapse. Graber TM, Vanarsdall RL, editors. Orthodontics: current principles and techniques. 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