Periodontal Implication of two kinds of Bonded lingual fixed retainer and removable retainer
Changtao Li
Abstract
Changtao Li
Abstract
Objective:To evaluate the periodontal implication of two kinds of bonded lingual fixed retainer and removable retainer.Method:This study was based on an assessmant of 36 patients who required retainment after under-going orthodontic treament.The patients were randomly divided into three groups:group A(Hawley removable retainer),group B(the multistrand stainless wire retainer)and group C(the superfibred retainer).The changes of periodontal clinic sympton were assessed by GI,PLI,CI after one week,one months,three months,six months.Result:The GI,PLI,CI of group B and group C were significantly greater than these of group A(P0.05),and these values of group B were greater than these of group C(P0.05).Conclusion:The affection of the lingual fixed retainer was more serious than those of the removable retainer,and the multistrand stainless wire retainer was the most.
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Objective:To evaluate the periodontal implication of two kinds of bonded lingual fixed retainer and removable retainer.Method:This study was based on an assessmant of 36 patients who required retainment after under-going orthodontic treament.The patients were randomly divided into three groups:group A(Hawley removable retainer),group B(the multistrand stainless wire retainer)and group C(the superfibred retainer).The changes of periodontal clinic sympton were assessed by GI,PLI,CI after one week,one months,three months,six months.Result:The GI,PLI,CI of group B and group C were significantly greater than these of group A(P0.05),and these values of group B were greater than these of group C(P0.05).Conclusion:The affection of the lingual fixed retainer was more serious than those of the removable retainer,and the multistrand stainless wire retainer was the most.
Key concepts: Retainer, Dentistry, Orthodontics, Medicine, Group (periodic table), Materials science, Chemistry, Composite material