Abstract:
OBJECTIVE:The aim of this prospective, randomized, clinical study was to assess the effect of photobiomodulation therapy (PBM) with low-level laser irradiation (LLLI) on postoperative pain after endodontic treatment. MATERIALS AND METHODS:Sixty patients, diagnosed with irreversible pulpitis in lower molar teeth, participated in the study. All treatments were performed by a single operator. Participants were randomly divided into two groups: in the experimental group (EG), endodontic treatment was performed with a reciprocating system, immediately followed by PBM with LLLI; and only endodontic treatment was performed in the control group (CG). Postoperative pain was assessed by a second examiner, who was blinded, using two scales: verbal rating scale (VRS) and numerical rating scale (NRS). Assessment was carried out at 6, 12, and 24 h after treatment. Data were analyzed using chi-squared, Fisher's exact, Mann-Whitney tests, ordinal, and non-parametric regression analyses. RESULTS:For the prevalence of pain, the difference between the groups was significant for the evaluations performed after 6 h (p = 0.04) and 24 h (p = 0.02). The difference after 24 h remained significant after stratification by sex and extrusion of filling material. Increased pain intensity was associated with extrusion of root canal filling material to the periapical region in the two scales used. CONCLUSION:The effect of PBM therapy after endodontic treatment showed a significant decreasein prevalence of postoperative pain. CLINICAL RELEVANCE:The PBM reduces the prevalence of postoperative pain and may benefit patients who need endodontic treatment.
journal_name
Clin Oral Investigjournal_title
Clinical oral investigationsauthors
Lopes LPB,Herkrath FJ,Vianna ECB,Gualberto Júnior EC,Marques AAF,Sponchiado Júnior ECdoi
10.1007/s00784-018-2435-9subject
Has Abstractpub_date
2019-01-01 00:00:00pages
285-292issue
1eissn
1432-6981issn
1436-3771pii
10.1007/s00784-018-2435-9journal_volume
23pub_type
杂志文章,随机对照试验abstract:OBJECTIVE:The aim of this study was to evaluate the effect of fluoride dentifrices combined with sodium hexametaphosphate (HMP) on enamel demineralization in vitro. MATERIAL AND METHODS:Enamel bovine blocks were selected by initial surface hardness (SHi) and then divided into five experimental groups (n = 12): placebo...
journal_title:Clinical oral investigations
pub_type: 杂志文章
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journal_title:Clinical oral investigations
pub_type: 杂志文章
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abstract:: ...
journal_title:Clinical oral investigations
pub_type: 评论,信件
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pub_type: 杂志文章,随机对照试验
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pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:2020-08-10 00:00:00
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pub_type: 杂志文章,meta分析
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pub_type: 杂志文章,随机对照试验
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pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Clinical oral investigations
pub_type: 杂志文章,随机对照试验
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更新日期:2020-12-01 00:00:00
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