HALITOSIS WITH FIXED ORTHODONTIC APPLIANCE VS REMOVABLE ORTHODONTIC ALIGNERS : A PILOT STUDY
areas 11 , 14 . Alternatively , Schaefer et al . showed that removable orthodontic appliances , particularly invisible aligners , allow a more adequate oral hygiene 16 . About the correlation between halitosis and orthodontic aligners treatment it is shown that this kind of treatment did not lead to an increase of plaque and bacterial count , thus neither halitosis , nor oral dryness , nor high plaque or gingival index measurements were observed .
5 . Conclusion The study shows similar results in both groups , but the aligners group shows better results because none of the subjects have high level of volatile sulfur compounds or , better yet , they are all below the threshold for the three values considered . In the second group , instead , there are some differences among the patients because of their different level of oral hygiene , which can cause important changes in the VSC analysis . The presence of brackets , ligatures and archwires is a big increasing factor for halitosis . Indeed , they cannot be removed by the subject during oral hygiene procedures therefore plaque retention is surely higher than in the aligners group , where the appliance can be removed and oral hygiene can be performed as any subject without orthodontic appliances would do 17 . This study is only a pilot study and should be expanded in order to produce more consistent results , but we can already assert that the possibility to remove the oral device certainly provides a better outcome for oral hygiene procedures and , consequently , improves the halitosis condition . In conclusion we can consider oral hygiene and halitosis as important factors in order to decide what kind of orthodontic device is better suited for the single patient .
Acknowledgments The authors declare no conflict of interest related to this study . There are no conflicts of interest and no financial interests to be disclosed .
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