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Effectiveness of Different Bristle Designs of Toothbrushes and Periodontal Status among Fixed Orthodontic Patients: A Double-blind Crossover Design.

Naik, Sandhya P; Punathil, Sameer; Shetty, Praveena; Jayanti, Ipsita; Jalaluddin, Md; Avijeeta, Anisha.
J Contemp Dent Pract; 19(2): 150-155, 2018 Feb 01.
Artigo em Inglês | MEDLINE | ID: mdl-29422463

AIM:

The aim of the present study was to evaluate the effectiveness of different bristle designs of toothbrushes and the periodontal status among patients undergoing fixed orthodontic treatment.

MATERIALS AND METHODS:

This randomized controlled trial (RCT) consisted of 45 adolescents (comprising 20 males and 25 females) undergoing fixed orthodontic treatment. The study participants were randomly allocated to three groups, each group being assigned a locally available toothbrush with a particular design of toothbrush bristle. In the first test phase, group I study participants were allocated to toothbrush with flat bristles, group II study subjects were allocated to toothbrush with zigzag bristles, and group III study participants were allocated to toothbrush with crisscross bristles. The study participants were recalled after 4 weeks to check the effectiveness of the allocated toothbrushes. A washout period of 1 week was maintained to ensure that there was no carryover effect of the different bristle designs. In the second test phase, each patient used the opposite toothbrush bristle design (group I: toothbrush with zigzag bristles, group II: toothbrush with crisscross bristles, and group III: toothbrush with flat bristles). Plaque scores were measured using Turesky-Gilmore-Glickman modification of Quigley-Hein plaque index (PI).

RESULTS:

In both phase 1 and 2 of this RCT, toothbrush with crisscross bristles exhibited maximum plaque reduction among the three different bristle design toothbrushes following 30 days (p = 0.312 ± 0.102 and 0.280 ± 0.110, respectively), which was statistically significant.

CONCLUSION:

It was concluded that all the three designs of toothbrushes were effective in removing plaque in patients with fixed orthodontic appliances. But among the three different toothbrushes, toothbrush with crisscross bristles showed the highest mean plaque reduction.

CLINICAL SIGNIFICANCE:

Plaque accumulation around the orthodontic brackets and gingival margins is quite common among the fixed orthodontic patients, who encounter difficulty in maintaining good oral hygiene. Specially designed toothbrushes are very essential for effective plaque removal among the patients undergoing fixed orthodontic treatment.
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