ObjectivesStudies concerning side effects of chlorhexidine as related to the presence of
plaque are scarce. The purpose of this study was to compare the side effects of
0.12% chlorhexidine gluconate (CHX) on previously plaque-free (control group) and
plaque-covered surfaces (test group).MethodsThis study had a single-blind, randomized, split-mouth, 21 days-experimental
gingivitis design, including 20 individuals who abandoned all mechanical plaque
control methods during 25 days. After 4 days of plaque accumulation, the
individuals had 2 randomized quadrants cleaned, remaining 2 quadrants with
plaque-covered dental surfaces. On the fourth day, the individuals started with
0.12% CHX rinsing lasting for 21 days. Stain index intensity and extent as well as
calculus formation were evaluated during the experimental period.ResultsIntergroup comparisons showed statistically higher (p<0.05) stain intensity and
extent index as well as calculus formation over the study in test surfaces as
compared to control surfaces. Thus, 26.19% of test surfaces presented calculus,
whereas calculus was observed in 4.52% in control surfaces.ConclusionThe presence of plaque increased 0.12% CHX side effects. These results strengthen
the necessity of biofilm disruption prior to the start of CHX mouthrinses in order
to reduce side effects.
SjS seemed to negatively affect the periodontal condition because gingival inflammation was more evident in the individuals with SjS, particularly those with SjS (S).
A 0.12% CHX gluconate mouthrinse had little antiplaque and antigingivitis effect on previously plaque-covered surfaces. These results confirm the diminished effect of CHX on structured biofilm and reinforce the necessity of biofilm disruption before the initiation of CHX mouthrinse.
Although the use of injectable anesthesia prior to subgingival scaling and root planing (SRP) reduces pain, many patients report fear and prolonged numbness of adjacent tissues. The aim of the present study was to compare the effects of a eutectic mixture containing 25 mg/g of lidocaine and 25 mg/g of prilocaine, injectable 2% lidocaine, topical 2% benzocaine and a placebo substance on reducing pain during SRP. In this randomized, split-mouth, masked clinical trial, thirty-two patients presenting more than two teeth with probing depth and clinical attachment level ≥5 mm in at least 4 sextants were randomly allocated to four groups: EMLA ® ; injectable 2% lidocaine; topical 2% benzocaine and placebo. Pain and discomfort were measured using a visual analogue scale (VAS) and verbal scale (VS). Repeated-measures analysis of variance and Poisson regression were used for analysis. Patient satisfaction with the anesthesia was determined at the end of each treatment session. VAS and VS scores did not differ between injectable 2% lidocaine and EMLA (p>0.05) and both substances showed significantly better pain control compared to 2% benzocaine and placebo (p<0.05). 93.7% and 81.2% of the individuals were satisfied with the injectable anesthetic and EMLA, respectively (p=0.158). Dissatisfaction with benzocaine and placebo was approximately 10 times greater than injectable anesthesia (p=0.001). In conclusion, EMLA showed an equivalent effect on pain control when compared to the injectable anesthesia and performed better than 2% benzocaine in SRP. Thus, EMLA is a viable anesthetic option during scaling and root planning, despite the frequent need for second application.
Users of crack and other illicit drugs exerted a negative impact on OHRQoL independently of socio-demographic characteristics and tobacco use, suggesting the need for special attention regarding the specific oral health needs of this population as well as drug prevention and treatment strategies.
Occurrence of periodontitis, visible plaque, and gingival bleeding was significantly higher among crack users, and crack use was associated with occurrence of periodontitis.
ObjectiveThe aim of this study was to investigate the association among gingival
enlargement (GE), periodontal conditions and socio-demographic characteristics in
subjects undergoing fixed orthodontic treatment.MethodsA sample of 330 patients undergoing fixed orthodontic treatment for at least 6
months were examined by a single calibrated examiner for plaque and gingival
indexes, probing pocket depth, clinical attachment loss and gingival enlargement.
Socio-economic background, orthodontic treatment duration and use of dental floss
were assessed by oral interviews. Associations were assessed by means of
unadjusted and adjusted Poisson's regression models.ResultsThe presence of gingival bleeding (RR 1.01; 95% CI 1.00-1.01) and excess resin
around brackets (RR 1.02; 95% CI 1.02-1.03) were associated with an increase in
GE. No associations were found between socio-demographic characteristics and
GE.ConclusionProximal anterior gingival bleeding and excess resin around brackets are
associated with higher levels of anterior gingival enlargement in subjects under
orthodontic treatment.
BackgroundThere are scarce evidences that evaluated the impact of periodontal disease on oral health-related quality of life (OHRQoL) taking marginal gingival alterations into consideration. Thus, this study aimed to verify the association between OHRQoL and gingival enlargement and gingival bleeding in subjects under fixed orthodontic treatment (FOT).Methods330 participants under FOT for at least 6 months were examined by a single, calibrated examiner for periodontal variables and dental aesthetic index. Socio-economic background, body mass index, time with orthodontic appliances, and use of dental floss were assessed by oral interviews. OHRQoL was evaluated using the oral health impact profile (OHIP-14) questionnaire. The assessment of associations used unadjusted and adjusted Poisson regression models.ResultsHigher impacts on the OHIP-14 overall were observed in subjects who presented higher levels of anterior gingival enlargement (RR 2.83; 95% CI 2.60-3.09), were non-whites (RR 1.29; 95% CI 1.15-1.45), had household income lower than five national minimum wages (RR 1.85; 95% CI 1.30-2.61), presented body mass index > 25 (RR 1.14; 95% CI 1.01-1.29), and showed a dental aesthetic index > 30 (RR 1.32; 95% CI 1.20-1.46).ConclusionsAnterior gingival enlargement seems to influence the OHRQoL in subjects receiving orthodontic treatment.
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