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ePaper created 2015-11-17, 15:11:47 | version 1.38.0
Abstract Ob jec tive The objective of this study was to evaluate the effect of supervised plaque control on the periodontal condition distal to the second molars after the extraction of par- tiallyeruptedmandibularthirdmolars. Materia ls a n d m eth od s Allofthe33patientshadaprobingpocketdepth(PPD)of 7.4 mm (S.D. ± 1.5) and bone loss of 4.4 mm (S.D. ± 2.0) distaltothe second molars.Afterthe surgical extraction of the third molars and subgingival debridement of the distal site of the second molar, the patients were ran- domly assigned to a test group or a control group. The testgroupreceivedoralhygieneinformationandprofes- sional dental hygienist treatment one month after the extraction.Thecontrolgroupdidnotreceiveanyspecific informationortreatment. Res ults At six months, the percentage reduction of plaque at the distal sites of the second molars from the baseline value was69%and47%inthetestandcontrolgroups,respec- tively.The PPD reductionwas 3.4 mm and 3.5 mm inthe test and control groups, respectively. These values were statistically significant compared with baseline (p < 0.001). The radiographic measurements found a bone gain of 0.7 mm and 0.8 mm in the test and control groups,respectively. Co nclu si o n The removal of the third molar improved access for self-performedplaquecontrol.This,togetherwithsub- gingivaldebridement,improvedtheperiodontalstatusat thesecondmolars. Ke y wo rds Extraction,thirdmolar,semi-impactedtooth,localperio- dontitis,plaquecontrol. 52 Volume 1 | Issue 1/2015 Journal of Oral Science & Rehabilitation Evaluation of the effect of supervised plaque control A randomized blind clinical study after the surgical removal of partially erupted mandibular third molars on the periodontal condition distal to second molars affected by localized periodontal disease: Rem ova l of pa rtia lly eru pte d mandi bu lar thi rd mo lars Introduction Population studies have suggested that the visi- ble presence of a third molar increases the risk of periodontal inflammatory disease at second molars1–3 adjacent to both symptomatic and asymptomatic third molars.4, 5 This was also the case inyoung subjects (18–40years ofage)with low severity of periodontal disease in the overall dentition.1,3,5 Inyoungsubjects,whentheearlystagesofpe- riodontalpathologyaredetectedinthethirdmolar region, the removal of third molars may improve the periodontalstatus atthe distalsites ofsecond molars.6,7 Studiesalsoindicatethattheremovalof thirdmolarsinyoungerindividualscomparedwith older subjects decreases the time needed for the