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Clinical Trial
, 88 (1), 79-89

[Gingival Injuries From Toothbrush Bristles]

[Article in German]
  • PMID: 272060
Clinical Trial

[Gingival Injuries From Toothbrush Bristles]

[Article in German]
J Breitenmoser et al. SSO Schweiz Monatsschr Zahnheilkd.

Abstract

The ability of two different toothbrush bristle ends to produce traumatic gingival abrasion was assessed in a double blind study on 15 male and 15 female young adults. Brushing was performed in a circular fashion using a modified Bass technique. An apparatus allowing continuous visual feedback of the average brushing force permitted a degree of standardisation of the system. The upper left canine and bicuspid area had to be brushed for 30 seconds with cut toothbrush bristles (CP) and with round ended toothbrush bristles (RP) respectively. A two-week interval separated the two brushing sessions. Traumatic lesions of the attached gingiva were stained with a disclosing solution, photographed and evaluated planimetrically. The "cut bristles" caused gingival abrasions 30% greater in extent than the round end bristles. The difference was not due to single brushing strokes accidentally greater for the "cut bristles". The size of the lesions was not sex-dependent.

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