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Hamza EM, Abd El Aziz TM, Obeid MF. The influence of intraoral cryotherapy on postoperative pain and substance P in symptomatic apical periodontitis: randomized clinical study. Sci Rep 2024; 14:13890. [PMID: 38880787 PMCID: PMC11180658 DOI: 10.1038/s41598-024-64071-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 06/05/2024] [Indexed: 06/18/2024] Open
Abstract
Cryotherapy is widely utilized in medicine, particularly for pain management. This randomized clinical trial aimed to assess the effect of intraoral cold pack application (cryotherapy) on postoperative pain (POP) and the level of Substance P (SP) in patients with symptomatic apical periodontitis (SAP). Enrolled patients were randomly assigned to either cryotherapy or control group. After adequate anesthesia, access cavity, and biomechanical preparation of the root canal system were completed, the first apical fluid (AF) sample (S1) was obtained. A custom-made intraoral ice-gel pack was applied for 30 min in the cryotherapy group, while no intervention was performed in the control group. The second AF sample (S2) was collected 30 min later in both groups. Patients were asked to complete the Visual Analogue Scale (VAS) questionnaire to assess their POP. Quantification of SP in AF samples was performed using the enzyme-linked immunosorbent assay (ELISA) test. Data were analyzed statistically, revealing a significant reduction in POP and SP levels in the cryotherapy group compared to the control group (P ≤ 0.05). Furthermore, a moderate positive correlation was observed between SP levels and POP (P ≤ 0.05). In conclusion, intraoral cryotherapy represents a simple and cost-effective option for controlling POP and reducing inflammation levels in patients with SAP.
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Affiliation(s)
- Esraa Mohammed Hamza
- Department of Endodontics, Faculty of Dentistry, Ain Shams University, 2 sixth of October St., Hadayek Al-Ahram-Haram, Giza, Cairo, Egypt.
| | - Tarek Mustafa Abd El Aziz
- Department of Endodontics, Faculty of Dentistry, Ain Shams University, 2 sixth of October St., Hadayek Al-Ahram-Haram, Giza, Cairo, Egypt
| | - Maram Farouk Obeid
- Department of Endodontics, Faculty of Dentistry, Ain Shams University, 2 sixth of October St., Hadayek Al-Ahram-Haram, Giza, Cairo, Egypt.
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Shalabi M, Mahran AH, Elsewif T. Effect of submucosal cryotherapy compared with steroids and NSAIDs injections on Substance P and Interleukin 6 pulpal release in experimentally induced pulpal inflammation in rabbits. J Appl Oral Sci 2024; 32:e20240017. [PMID: 38775598 PMCID: PMC11185128 DOI: 10.1590/1678-7757-2024-0017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 03/18/2024] [Accepted: 04/05/2024] [Indexed: 05/30/2024] Open
Abstract
OBJECTIVE To compare the effect of submucosal cryotherapy using cold saline to dexamethasone sodium phosphate and diclofenac sodium injections on substance P and interleukin 6 release in experimentally induced pulpal inflammation in rabbits' molar teeth. METHODOLOGY Fifteen rabbits were randomly classified into 3 groups according to the submucosal injection given: cold saline, dexamethasone sodium phosphate, and diclofenac sodium. A split-mouth design was adopted, the right mandibular molars were experimental, and the left molars served as the control without injections. Intentional pulp exposures were created and left for 6 hours to induce pulpitis. Pulpal tissue was extracted and examined for SP and IL-6 levels using ELISA. Within each group, the level of cytokines released was measured for both control and experimental groups for intragroup comparison to determine the effect of injection. The percentage reduction of each mediator was calculated compared with the control side for intergroup comparison then the correlation between SP and IL-6 levels was analyzed using Spearman's rank order correlation coefficient. Statistical analysis was performed, and the significance level was set at p<0.05. RESULTS Submucosal cryotherapy, dexamethasone sodium phosphate, and diclofenac sodium significantly reduced SP and IL-6 pulpal release. Submucosal cryotherapy significantly reduced SP more than and IL-6 more than dexamethasone sodium phosphate and diclofenac sodium. Pulpal reduction of SP and IL-6 showed a strong positive significant correlation. CONCLUSIONS Submucosal cryotherapy reduces the pulpal release of SP and IL-6 and could be tested as an alternative to premedication to potentiate the effect of anesthesia and control postoperative endodontic pain.
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Affiliation(s)
- Mai Shalabi
- Ain Shams University, Faculty of Dentistry, Endodontic Department, Cairo, Egypt
| | - Abeer H Mahran
- Ain Shams University, Faculty of Dentistry, Endodontic Department, Cairo, Egypt
| | - Tarek Elsewif
- Ain Shams University, Faculty of Dentistry, Endodontic Department, Cairo, Egypt
- Gulf Medical University, College of Dentistry, Restorative Dental Sciences Department, Ajman, UAE
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Mokhtari H, Milani AS, Zand V, Shakuie S, Nazari L. The effect of different concentrations and temperatures of sodium hypochlorite irrigation on pain intensity following endodontic treatment of mandibular molars with irreversible pulpitis: A randomized, double-blind clinical trial. Clin Exp Dent Res 2023; 9:859-867. [PMID: 37345724 PMCID: PMC10582240 DOI: 10.1002/cre2.754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 05/17/2023] [Accepted: 06/09/2023] [Indexed: 06/23/2023] Open
Abstract
OBJECTIVES This study aimed to determine the severity of pain after endodontic treatment of mandibular molars with irreversible pulpitis following the use of sodium hypochlorite (NaOCl) at different temperatures and concentrations. METHODS In this randomized, controlled clinical trial, 72 patients with mandibular molars with irreversible pulpitis were randomly assigned to six groups. The teeth were anesthetized and the root canals were prepared. During the instrumentation, the root canals were irrigated with NaOCl solution at concentrations of 0.5% and 1% and temperatures of 2.5°C, 22°C, and 40°C, 2.5°C were achieved through cryotherapy. Assessment of pain was conducted before, immediately after, and 3, 24, 48, and 72 h after treatment. After obturation, the patients recorded their pain intensity at different time intervals on the visual analog scale (VAS) and reported the number of analgesics tablets they used. The frequency of analgesics tablets and their effect on pain sensation was recorded in the second part of the form. Repeated measures two-way analysis of variance test was used to compare the trend of pain changes over time between two intervals of time in each group. Friedman's nonparametric test was used to compare the intragroup mean score of pain over time and Kruskal-Wallis for comparing the intergroup mean score. RESULTS Changes in VAS pain scores of all the groups were significant over time (p < .001). Pain in all the groups decreased immediately after treatment and increased 3 h after treatment. There were no significant differences in pain ratings and the number of analgesics tablets used in the groups of NaOCl with different concentrations and temperatures over time. CONCLUSIONS Within the study's limitations, we concluded that there was no significant difference between concentrations of 0.5%, and 1% and temperatures of 2.5°C, 22°C, and 40°C in pain intensity following endodontic treatment of mandibular molars with irreversible pulpitis.
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Affiliation(s)
- Hadi Mokhtari
- Department of Endodontic, Faculty of DentistryTabriz University of Medical SciencesTabrizIran
| | - Amin Salem Milani
- Department of Endodontic, Faculty of DentistryTabriz University of Medical SciencesTabrizIran
| | - Vahid Zand
- Department of Endodontic, Faculty of DentistryTabriz University of Medical SciencesTabrizIran
| | - Sahar Shakuie
- Department of Endodontic, Faculty of DentistryTabriz University of Medical SciencesTabrizIran
| | - Leila Nazari
- Department of Endodontic, Faculty of DentistryTabriz University of Medical SciencesTabrizIran
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Vera J, Castro-Nuñez MA, Troncoso-Cibrian MF, Carrillo-Varguez AG, Méndez Sánchez ER, Sarmiento V, Lanzagorta-Rebollo L, Neelakantan P, Romero M, Arias A. Effect of cryotherapy duration on experimentally induced connective tissue inflammation in vivo. Restor Dent Endod 2023; 48:e29. [PMID: 37675446 PMCID: PMC10477420 DOI: 10.5395/rde.2023.48.e29] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/26/2023] [Accepted: 04/28/2023] [Indexed: 09/08/2023] Open
Abstract
Objectives This study tested the hypothesis that cryotherapy duration influences lipopolysaccharide (LPS)-induced inflammation in a rat model. Materials and Methods Six Wistar rats (Rattus norvegicus albinus) were used. Five sites were selected per animal and divided into 5 groups: a negative control group (NC), 2 positive control groups (PC1 and PC2), and 2 experimental groups (E1 and E2). Cryotherapy was applied for 1 minute (E1) or 5 minutes (E2). An acute inflammatory response was induced in the PC and E groups via subcutaneous administration of 0.5 mL/kg. In the PC2 group, a catheter was inserted without additional treatment. For the E1 and E2 groups, 2.5°C saline solution was administered through the implanted catheters for 1 and 5 minutes, respectively. The rats were sacrificed, and samples were obtained and processed for histological analysis, specifically examining the presence of polymorphonuclear neutrophils and hemorrhage. The χ2 test was used to compare the presence of acute inflammation across groups. Dependent variables were compared using the linear-by-linear association test. Results Inflammation and hemorrhage varied significantly among the groups (p = 0.001). A significantly higher degree of acute inflammation was detected (p = 0.0002) in the PC and E1 samples than in the E2 group, in which cryotherapy was administered for 5 minutes. The PC and E1 groups also exhibited significantly greater numbers of neutrophils (p = 0.007), which were essentially absent in both the NC and E2 groups. Conclusions Cryotherapy administration for 5 minutes reduced the acute inflammation associated with LPS and catheter implantation.
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Affiliation(s)
- Jorge Vera
- Department of Endodontics, University of Missouri, Kansas City, MO, USA
| | | | | | | | | | - Viviana Sarmiento
- Department of Endodontics, Autonomous University of Baja California (UABC), Tijuana, Mexico
| | | | - Prasanna Neelakantan
- Discipline of Endodontology, Division of Restorative Dental Sciences, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| | - Monica Romero
- Department of Endodontics, University of Missouri, Kansas City, MO, USA
| | - Ana Arias
- Faculty of Dentistry Complutense University of Madrid, Madrid, Spain
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Lin C, Liu M, Guo J, Jia R. Cryotherapy Attenuates Inflammation via the lncRNA SNHG1/miR-9-5p/NFKB1 Regulatory Axis in Periodontal Ligament Cells. Int J Mol Sci 2023; 24:12097. [PMID: 37569472 PMCID: PMC10418934 DOI: 10.3390/ijms241512097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 07/25/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023] Open
Abstract
Cryotherapy is a common non-pharmacological method to relieve pain and inflammation. Clinical studies have shown that cryotherapy can reduce postoperative pain after root canal therapy, but the mechanism remains unclear. In this study, we aimed to investigate the underlying molecular mechanisms by which cryotherapy reduces inflammation in lipopolysaccharide (LPS)-stimulated periodontal ligament cells through transcriptome sequencing analysis. We found that cryotherapy significantly reduced the expression of multiple proinflammatory cytokines and chemokines, and NFKB1 was the key regulator down-regulated by cryotherapy. Importantly, we discovered that lncRNA SNHG1 expression level significantly decreased after cold treatment. SNHG1 expression was positively related to NFKB1 while negatively correlated with miR-9-5p, which formed a novel ceRNA regulatory pathway. Knockdown of SNHG1 significantly reduced the expression of NFKB1, IL1B, and IL6, while overexpression of SNHG1 significantly increased the expression of these genes. In conclusion, our study demonstrated that cryotherapy can effectively reduce inflammation in LPS-induced periodontal ligament cells by suppressing the lncRNA SNHG1/miR-9-5p/NFKB1 axis.
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Affiliation(s)
- Can Lin
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China; (C.L.); (M.L.)
| | - Miaomiao Liu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China; (C.L.); (M.L.)
| | - Jihua Guo
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China; (C.L.); (M.L.)
- Department of Endodontics, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Rong Jia
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan 430072, China; (C.L.); (M.L.)
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Gopakumar R, Jayachandran M, Varada S, Jayaraj J, Ezhuthachan Veettil J, Nair NS. Anesthetic Efficacy of Endo-Ice and Intrapulpal Ice Sticks After Inferior Alveolar Nerve Block in Symptomatic Irreversible Pulpitis: A Randomized Controlled Study. Cureus 2023; 15:e42135. [PMID: 37602026 PMCID: PMC10437143 DOI: 10.7759/cureus.42135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 07/18/2023] [Indexed: 08/22/2023] Open
Abstract
BACKGROUND There is a dearth of studies to assess the effectiveness of cryotherapy as a possible adjuvant in anesthesia. Therefore, this study aimed to compare the impact of pretreatment intraoral ice packs, application of Endo-ice, and a combination of Endo-ice and intrapulpal ice sticks use on the effectiveness of pulpal anesthesia as an adjunct in the management of pain and dental anxiety in mandibular second molars with symptomatic irreversible pulpitis (SIP) against traditional inferior alveolar nerve block (IANB) technique. MATERIALS AND METHODS The randomized controlled double-blind clinical study comprised of 200 subjects within the age group of 20-45 years with SIP involving mandibular second molars and divided into four groups of 50 each. Conventional IANB was administered in group 1. Intraoral compact ice packs, Endo-ice, and combined use of Endo-ice and intrapulpal ice sticks were employed following conventional IANB in groups 2, 3, and 4, respectively. The intensity of pain and anxiety before and after the intervention was documented using Heft-Parker visual analog scale (HP-VAS) and Corah's Dental Anxiety Scale-Revised (DAS-R). RESULTS The average age of the overall study sample was 30.8±2.08 years, and the differences in age and gender distribution were found to be statistically insignificant. The mean HP-VAS scores on access opening and pulpectomy, using ANOVA paired with Tukey's post hoc multiple comparison tests were evaluated to be statistically highly significant (p<0.001). The greatest reduction in HP-VAS score was observed in group 4 receiving combined use of both Endo-ice and intrapulpal ice sticks. While the pretreatment DAS-R score was determined to be statistically insignificant between groups, group 1 subjects had the highest DAS-R score postoperatively (p<0.001). The effectiveness of pulpal anesthesia was found to be 84%, 96%, 92%, and 98% for groups 1 through 4, respectively, and demonstrated a statistically significant difference. CONCLUSION The combined use of Endo-ice and intrapulpal ice sticks used as an adjuvant to local anesthesia (LA) was found to be significantly effective in lowering pain compared to the control groups in molars with SIP. Cold administration before and during the procedure was more effective than conventional LA in lowering intraoperative anxiety. Furthermore, the use of Endo-ice and intrapulpal cold after IANB significantly improves the effectiveness of pulpal anesthesia in mandibular second molars with SIP.
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Affiliation(s)
- Rethi Gopakumar
- Department of Conservative Dentistry and Endodontics, Noorul Islam College of Dental Sciences, Trivandrum, IND
| | - Mahesh Jayachandran
- Department of Periodontics, Noorul Islam College of Dental Sciences, Trivandrum, IND
| | - Sreelekshmi Varada
- Department of Conservative Dentistry and Endodontics, Sri Sankara Dental College, Trivandrum, IND
| | - Jitha Jayaraj
- Department of Conservative Dentistry and Endodontics, Sri Sankara Dental College, Trivandrum, IND
| | - Jenaki Ezhuthachan Veettil
- Department of Conservative Dentistry and Endodontics, PSM College of Dental Science and Research, Thrissur, IND
| | - Naveen S Nair
- Department of Conservative Dentistry and Endodontics, Vydehi Institute of Dental Sciences and Research Centre, Bangalore, IND
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Hespanhol FG, Guimarães LS, Antunes LAA, Antunes LS. Effect of intracanal cryotherapy on postoperative pain after endodontic treatment: systematic review with meta-analysis. RESTORATIVE DENTISTRY & ENDODONTICS 2022; 47:e30. [PMID: 36090511 PMCID: PMC9436646 DOI: 10.5395/rde.2022.47.e30] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/31/2022] [Accepted: 02/15/2022] [Indexed: 11/13/2022]
Abstract
Objectives This study aimed to evaluate the effectiveness of final irrigation with cold saline solution after endodontic treatment compared with saline solution at room temperature against postoperative pain following endodontic treatment. Materials and Methods A broad search was performed in the PubMed, Web of Science, Scopus, Cochrane Library, Virtual Health Library (LILACS), and Grey Literature databases. Two independent reviewers performed data extraction, risk of bias using the Cochrane methodology, and certainty of evidence using the Grading of Recommendations, Assessment, Development and Evaluations (GRADE) approach. Results Eight studies were included in qualitative synthesis. Intracanal cryotherapy favored the reduction of postoperative pain in the systematic review. Four studies were included in meta-analyses. The meta-analysis showed that intracanal cryotherapy reduced postoperative pain in teeth with symptomatic apical periodontitis (SAP) at 24 hours. There was no association between intracanal cryotherapy and control (room temperature) groups in teeth with normal periapical tissue with respect to postoperative pain at 24 hours and 48 hours. Conclusions Intracanal cryotherapy was effective in reducing postoperative pain after endodontic treatment in teeth with SAP.
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Affiliation(s)
| | - Ludmila Silva Guimarães
- Postgraduate Program, School of Dentistry, Fluminense Federal University, Niterói, RJ, Brazil
| | - Lívia Azeredo Alves Antunes
- Postgraduate Program, School of Dentistry, Fluminense Federal University, Niterói, RJ, Brazil
- Specific Formation Department, School of Dentistry of Nova Friburgo, Fluminense Federal University, Niterói, RJ, Brazil
| | - Leonardo Santos Antunes
- Postgraduate Program, School of Dentistry, Fluminense Federal University, Niterói, RJ, Brazil
- Specific Formation Department, School of Dentistry of Nova Friburgo, Fluminense Federal University, Niterói, RJ, Brazil
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Almohaimede A, Al-Madi E. Is Intracanal Cryotherapy Effective in Reducing Postoperative Endodontic Pain? An Updated Systematic Review and Meta-Analysis of Randomized Clinical Trials. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:11750. [PMID: 34831517 PMCID: PMC8621421 DOI: 10.3390/ijerph182211750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 11/02/2021] [Accepted: 11/04/2021] [Indexed: 11/16/2022]
Abstract
This research aimed to assess the potency of intracanal cold therapy in diminishing postoperative endodontic pain. PubMed, Scopus, the Cochrane Library, EMBASE, the Web of Science, grey literature, and endodontic journals were used to identify randomized controlled clinical trials evaluating postoperative pain after a final irrigation with a cold irrigant (as an experimental group) and a room temperature irrigant (as a control group). The risk of bias was rated according to the Cochrane Collaboration's tool and the Grading Recommendation Assessment, Development, and Evaluation (GRADE) system was used to estimate the evidence quality. For the meta-analysis, a random effects model was utilized. The qualitative analysis contained 16 studies and the quantitative analysis contained 9 studies. The experimental groups showed a reduction in postoperative pain at 6 h (mean difference (MD) = -1.11; p = 0.0004; I2 = 72%; low quality evidence), 24 h (MD = -1.08; p = 0.003; I2 = 92%; low quality evidence), 48 h (MD = -0.38; p = 0.04; I2 = 81%; low quality evidence), and 72 h (MD = -0.69; p = 0.04; I2 = 90%; low quality evidence). A higher quality of evidence from more clinical trials is needed.
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Affiliation(s)
- Amal Almohaimede
- Department of Restorative Dental Sciences, Endodontic Division, College of Dentistry, King Saud University, Riyadh 11451, Saudi Arabia;
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9
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Zhou X, Nanayakkara S. INTRACANAL CRYOTHERAPY MAY REDUCE POSTOPERATIVE ENDODONTIC PAIN. J Evid Based Dent Pract 2021; 22:101678. [DOI: 10.1016/j.jebdp.2021.101678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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10
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Effect of precooling injection site and cold anesthetic administration on injection pain, onset, and anesthetic efficacy in maxillary molars with symptomatic irreversible pulpitis: a randomized controlled trial. Clin Oral Investig 2021; 26:1855-1860. [PMID: 34477963 DOI: 10.1007/s00784-021-04160-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 08/24/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVE This randomized controlled clinical trial assessed the analgesic and anesthetic effects of precooling the injection site and administration of refrigerated 2% lignocaine HCl with 1:100,000 epinephrine (LE) in maxillary molars with symptomatic irreversible pulpitis (SIP). MATERIALS AND METHODS Sixty patients diagnosed with SIP (preoperative pain score ≥ 85 mm) in maxillary first molars were randomly allocated to two groups. In group I (control), topical gel was applied for a minute followed by conventional LE infiltration, whereas in group II (experimental), topical ice application for 15 s and refrigerated (4-6 °C) LE administration was done prior to endodontic treatment. The primary outcome measure was anesthetic efficacy that was defined as none to weak pain (≤ 36 mm) as measured on Heft Parker visual analog scale (HP-VAS) following access cavity preparation. Pain on injection and onset constituted the secondary outcome measures. The pain on injection was measured using HP-VAS, whereas the onset of anesthesia was assessed using an electric pulp tester (EPT) which was applied on the experimental tooth every minute until no response was elicited. Mann-Whitney U test was performed to analyze the data (p < 0.01). RESULTS Experimental group reported a success rate of 86.6% when compared to control group (26.6%) and a statistically significant reduction on injection pain (20.0 mm vs 54.5 mm) (p < 0.01). The onset of anesthesia for experimental group was 2.4 min which was also significantly lower than control group (4.5 min) (p < 0.01). CONCLUSIONS Cryotherapy can serve as an effective alternative to conventional anesthesia for achieving success, reduced pain, and faster onset during endodontic treatment of maxillary molars with SIP. CLINICAL RELEVANCE Precooling the injection site and cold LE administration can result in effective pulpal anesthesia during endodontic management of maxillary molars in SIP patients.
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Vilas-Boas L, Cozer V, Tawil PZ, Coelho MS. Effect of Photodynamic Therapy on Postoperative Pain in Posterior Teeth with Symptomatic Apical Periodontitis. Photodiagnosis Photodyn Ther 2021; 35:102348. [PMID: 34033935 DOI: 10.1016/j.pdpdt.2021.102348] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 05/07/2021] [Accepted: 05/14/2021] [Indexed: 10/21/2022]
Abstract
This study aimed to evaluate the impact of photodynamic therapy (PDT) after root canal preparation on pain relief in posterior teeth presenting with symptomatic apical periodontitis (SAP). A visual analog scale (VAS) was completed by the patients which registered their pain perception as none (0), mild (1-3), moderate (4-7), or severe (8-10). Only patients who registered moderate or severe pain were included. Seventy patients were allocated to two groups (n=35): a control group (CG) without the PDT application and an intervention group with PDT application (PG). The same chemo-mechanical preparation was achieved in both groups. In the PG, 150 µM methylene blue (MB)Please remove the underline was placed inside the canal for 2 minutes and a 660 nm wavelength laser was applied through a fiber for 3 minutes (100 mW, 600 J/cm², total 18J). The patients were asked to register their pain perception in the VAS document after 24-h, 72-h, and 1-week intervals. The number of tablets taken for pain relief was also recorded. The Mann-Whitney, Students T-test and Fisher´s exact tests were used for statistical analysis (P < .05). After 1 week, 32 patients in the CG and 33 in the PG returned their VAS cards. The PG resulted in lower pain levels after the 24-hour interval (median 0) than the CG (median 2); there was no difference between both groups at 72-h and 1-week intervals. The decrease in pain was higher in the PG at all time-intervals when compared to the CG. There was no difference in the mean number of tablets taken for pain relief (P > .05). Within the limitations of this study, it can be concluded that PDT was efficient in decreasing pain in teeth presenting with SAP. There was no difference observed after 72 hours and there was no impact on the intake of pain relief medication.
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Affiliation(s)
- Larissa Vilas-Boas
- São Leopoldo Mandic School of Dentistry, Rua Emilio Ribas 776 sala 13, Campinas, SP, 13025-141, Brazil
| | - Viviany Cozer
- Universidade Federal Fluminense - UFF, School of Dentistry, Department of Endodontics, Niterói, RJ , Brazil
| | | | - Marcelo Santos Coelho
- São Leopoldo Mandic School of Dentistry, Rua Emilio Ribas 776 sala 13, Campinas, SP, 13025-141, Brazil.
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Gupta A, Aggarwal V, Gurawa A, Mehta N, Abraham D, Singh A, Jala S, Chauhan N. Effect of intracanal cryotherapy on postendodontic pain: a systematic review and meta-analysis of randomized controlled trials. J Dent Anesth Pain Med 2021; 21:15-27. [PMID: 33585681 PMCID: PMC7871184 DOI: 10.17245/jdapm.2021.21.1.15] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 01/11/2021] [Accepted: 01/13/2021] [Indexed: 12/28/2022] Open
Abstract
This systematic review aimed to qualitatively and quantitatively evaluate the effectiveness of cryotherapy in the reduction of postendodontic pain. The review question was, "What will be the success rate of cryotherapy technique among human patients with postendodontic pain?". The review protocol was framed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) checklist. Six studies were included in the review, and quantification of five studies was performed through a meta-analysis. In the forest plot representation of the studies comparing the control and cryotherapy groups in terms of the success rate in the management of postendodontic pain, the combined risk ratio (RR) was 0.80 (95% CI: 0.56 to 1.13) with a P value of 0.20. Based on the quantitative analysis, it can be suggested that intracanal cryotherapy does not play a significant role in reducing postendodontic pain.
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Affiliation(s)
- Alpa Gupta
- Department of Conservative Dentistry and Endodontics, Manav Racha Dental College, Faridabad, India
| | - Vivek Aggarwal
- Department of Conservative Dentistry and Endodontics, Faculty of Dentistry, Jamia Milia Islamia, New Delhi, India
| | - Alka Gurawa
- Department of Conservative Dentistry and Endodontics, Manav Racha Dental College, Faridabad, India
| | - Namrata Mehta
- Department of Conservative Dentistry and Endodontics, Manav Racha Dental College, Faridabad, India
| | - Dax Abraham
- Department of Conservative Dentistry and Endodontics, Manav Racha Dental College, Faridabad, India
| | - Arundeep Singh
- Department of Conservative Dentistry and Endodontics, Manav Racha Dental College, Faridabad, India
| | - Sucheta Jala
- Department of Conservative Dentistry and Endodontics, Manav Racha Dental College, Faridabad, India
| | - Nishant Chauhan
- Department of Conservative Dentistry and Endodontics, Manav Racha Dental College, Faridabad, India
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KarataŞ E, Ayaz N, UlukÖylÜ E, Baltaci MÖ, AdigÜzel A. Effect of final irrigation with sodium hypochlorite at different temperatures on postoperative pain level and antibacterial activity: a randomized controlled clinical study. J Appl Oral Sci 2021; 29:e20200502. [PMID: 33624688 PMCID: PMC7875544 DOI: 10.1590/1678-7757-2020-0502] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 09/01/2020] [Accepted: 10/08/2020] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE To evaluate the effect of final irrigation of root canals with NaOCl solution at different temperatures on postoperative pain level and antimicrobial activity. METHODOLOGY 45 patients were randomly divided into three groups using a web program according to the irrigation selected: NaOCl 2ºC, NaOCl 25ºC and NaOCl 45ºC. First root canal samples were collected before treatment (S1). After chemo-mechanical preparation, final irrigation was performed with the selected irrigant (NaOCl 2ºC, NaOCl 25ºC and NaOCl 45ºC) and second samples were collected (S2). Samples were subjected to quantitative real-time polymerase chain reaction to evaluate the levels of total bacteria. The root canal treatments were completed and the participants were given instructions to record postoperative pain levels at 24, 48 and 72 hours, 5 days and 1 week after treatment using a visual analog scale (VAS). RESULTS The reduction in the number of total bacterial cell equivalents from S1 to S2 was statistically significant in all groups (p<0.001). The NaOCl 2˚C group reported significantly less postoperative pain than the NaOCl 45˚C group (p<0.05). Postoperative analgesic intake was significantly higher in the NaOCl 45˚C group than in the NaOCl 2˚C group (p<0.05). CONCLUSION We conclude that final irrigation with NaOCl at different temperatures results in similar antibacterial effectiveness. Final irrigation with cold NaOCl (2˚C) is better than NaOCl 45˚C when comparing postoperative pain levels.
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Affiliation(s)
- Ertuğrul KarataŞ
- Ataturk University, Faculty of Dentistry, Department of Endodontics, Erzurum, Turkey
| | - Nilay Ayaz
- Ataturk University, Faculty of Dentistry, Department of Endodontics, Erzurum, Turkey
| | - Esra UlukÖylÜ
- Ataturk University, Faculty of Dentistry, Department of Endodontics, Erzurum, Turkey
| | - Mustafa Özkan Baltaci
- Ataturk University, Faculty of Science, Molecular Biology and Genetics Microbiology, Erzurum, Turkey
| | - Ahmet AdigÜzel
- Ataturk University, Faculty of Science, Molecular Biology and Genetics Microbiology, Erzurum, Turkey
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Sadaf D, Ahmad MZ, Onakpoya IJ. Effectiveness of Intracanal Cryotherapy in Root Canal Therapy: A Systematic Review and Meta-analysis of Randomized Clinical Trials. J Endod 2020; 46:1811-1823.e1. [PMID: 32916207 DOI: 10.1016/j.joen.2020.08.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/14/2020] [Accepted: 08/31/2020] [Indexed: 12/26/2022]
Abstract
INTRODUCTION The effectiveness of intracanal cryotherapy for reducing postoperative pain is unclear. The objective of this systematic review was to evaluate the effect of intracanal cryotherapy on postoperative pain after root canal therapy in patients with pulpal or periradicular pathosis. METHODS We searched PubMed, Embase, Scopus, and the Cochrane Library as well as the top 3 endodontic journals for relevant articles. We included randomized controlled trials that included adults. Our main outcome was postoperative pain intensity measured with a validated scale. We assessed the risk of bias using the Cochrane criteria and the quality of the included studies using Grading of Recommendation Assessment, Development, and Evaluation. We used a random-effects model for meta-analysis. RESULTS Eight studies involving 810 patients were included. The overall risk of bias was moderate. Seven of 8 studies used a visual analog scale to measure pain intensity. Compared with controls, intracanal cryotherapy significantly reduced postoperative pain at 6 (mean difference = -1.37; 95% confidence interval [CI], -0.61 to -2.14; P < .05; I2 = 76%; moderate-quality evidence) and 24 hours after the procedure (mean difference = -1.43; 95% confidence interval, -0.70 to -2.15; P < .05; I2 = 89%; moderate-quality evidence). There was no significant effect on pain at 48 and 72 hours and 7 days after the procedure. CONCLUSIONS Moderate-quality evidence suggests that intracanal cryotherapy (ie, using cold saline irrigation as a final irrigant) significantly reduces the intensity of pain at 6 and 24 hours after root canal therapy. Future clinical trials assessing the effectiveness of intracanal cryotherapy are advocated.
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Affiliation(s)
- Durre Sadaf
- Department of Conservative Sciences, College of Dentistry, Qassim University, Buraydha, Saudi Arabia; University of Oxford, Centre for Evidence-Based Medicine, Nuffield Department of Primary Care Health Sciences, Oxford, United Kingdom.
| | - Muhammad Zubair Ahmad
- University of Oxford, Centre for Evidence-Based Medicine, Nuffield Department of Primary Care Health Sciences, Oxford, United Kingdom; Department of Restorative Dentistry, College of Dentistry in Ar Rass, Qassim University, Saudi Arabia
| | - Igho J Onakpoya
- University of Oxford, Centre for Evidence-Based Medicine, Nuffield Department of Primary Care Health Sciences, Oxford, United Kingdom; Department for Continuing Education, University of Oxfored, Oxford, United Kingdom
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Effect of intracanal cryotherapy application on postoperative endodontic pain: a systematic review and metaanalysis. Clin Oral Investig 2020; 25:23-35. [PMID: 33222053 DOI: 10.1007/s00784-020-03693-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 11/10/2020] [Indexed: 10/22/2022]
Abstract
OBJECTIVES To assess the influence of intracanal cryotherapy application on postoperative pain after endodontic treatment. MATERIALS AND METHODS A systematic review (SR) was conducted in seven databases. Articles that were published up to 04 February 2020 were included and randomized clinical trials that used a cold saline solution for final irrigation to manage postoperative endodontic pain were compared with those that used a saline solution at room temperature. Metaanalysis was performed to assess postoperative pain after 6, 24, 48, and 72 h using a random effects model, a confidence interval of 95%, and heterogeneity tested by the I2 index. The certainty of evidence was rated using GRADE. RESULTS Qualitative and quantitative analysis included eight and six studies, respectively. Individuals treated with cryotherapy presented lower means of postendodontic pain than the controls, 6 and 24 h after endodontic treatment (MD - 1.30 [- 2.32, - 0.28] p = 0.01 and SMD - 0.68 [ - 1.21, - 0.16] p = 0.01, respectively, with very low certainty of evidence). After 48 and 72 h, both groups demonstrated similar means of postendodontic pain (MD - 0.06 [- 0.18, 0.07] p = 0.38 and SMD - 0.54 [- 1.18, - 0.11] p = 0.10, with high and low certainty of evidence, respectively). CONCLUSIONS Based on the limited quality evidence, intracanal cryotherapy application reduced postoperative endodontic pain after 6 and 24 h. New clinical trials are needed to support the result of this review. CLINICAL SIGNIFICANCE This SR provides information about the use of intracanal cryotherapy in clinical practice, guides clinicians to make evidence-based decisions and suggests recommendations for further high-quality studies.
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Cryotherapy: A New Paradigm of Treatment in Endodontics. J Endod 2020; 46:936-942. [DOI: 10.1016/j.joen.2020.03.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 02/27/2020] [Accepted: 03/15/2020] [Indexed: 02/08/2023]
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Ahmed YE, Emara RS, Sarhan SM, El Boghdadi RM, El-Bayoumi MAA, El-Far HMM, Sabet NE, Abou El-Nasr HM, Gawdat SI, Amin SAW. Post-treatment endodontic pain following occlusal reduction in mandibular posterior teeth with symptomatic irreversible pulpitis and sensitivity to percussion: a single-centre randomized controlled trial. Int Endod J 2020; 53:1170-1180. [PMID: 32418236 DOI: 10.1111/iej.13328] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 05/09/2020] [Accepted: 05/12/2020] [Indexed: 11/30/2022]
Abstract
AIM This randomized, prospective, controlled trial assessed the effect of occlusal reduction on post-treatment endodontic pain and medication intake following root canal treatment of mandibular posterior teeth with symptomatic irreversible pulpitis with sensitivity to percussion treated in two visits. METHODOLOGY Three hundred and eight patients were randomly assigned into two equal groups according to whether occlusal reduction was done or not (n = 154). For all patients, root canal treatment was carried out in two visits without intracanal medication. Patients assessed their pain using the 0-10 numerical rating scale (NRS) 6, 12, 24 and 48 h after the first visit (post-instrumentation) and 6 and 12 h following root canal filling (post-obturation). Patients, also, recorded their medication intake (sham or analgesic), post-instrumentation and post-obturation; patients initially received a sham capsule, but, if pain persisted, an analgesic was prescribed. Data were analysed using Mann-Whitney U-test, Friedman's test, Wilcoxon's rank test and chi-square (χ2 ) test. The relative risk (RR) and its 95% confidence interval (CI) were calculated for binary data. RESULTS Occlusal reduction was associated with lower pain intensity than no occlusal reduction at 12 and 24 h post-instrumentation (P < 0.05). Pain intensity significantly and gradually decreased with both groups at all post-instrumentation and post-obturation time-points compared to preoperative pain (P < 0.05). The RR of moderate-to-severe pain was 0.61 (95% CI: 0.41, 0.91) 12 h post-instrumentation, and the RR of pain incidence, regardless of its level, was 0.75 (95% CI: 0.61, 0.92) 24 h post-instrumentation. There was no significant difference in medication intake (sham or analgesic) between groups (P > 0.05). CONCLUSIONS Occlusal reduction was effective in reducing the intensity of postoperative pain 12 h and 24 h after root canal instrumentation in the first visit in patients with symptomatic irreversible pulpitis with sensitivity to percussion. Occlusal reduction lowered the risk of moderate-to-severe pain by about 40% 12 h post-instrumentation and the overall risk of pain by 25% 24 h post-instrumentation; yet, it did not affect medication intake.
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Affiliation(s)
- Y E Ahmed
- Department of Endodontics, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - R S Emara
- Department of Endodontics, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - S M Sarhan
- Department of Endodontics, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - R M El Boghdadi
- Department of Endodontics, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - M A A El-Bayoumi
- Department of Endodontics, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - H M M El-Far
- Department of Endodontics, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - N E Sabet
- Department of Endodontics, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - H M Abou El-Nasr
- Department of Endodontics, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - S I Gawdat
- Department of Endodontics, Faculty of Dentistry, Cairo University, Cairo, Egypt
| | - S A W Amin
- Department of Endodontics, Faculty of Dentistry, Cairo University, Cairo, Egypt
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Effect of calcium hydroxide mixed with lidocaine hydrochloride on postoperative pain in teeth with irreversible pulpitis and symptomatic apical periodontitis: a preliminary randomized controlled prospective clinical trial. Clin Oral Investig 2020; 25:203-210. [PMID: 32462277 DOI: 10.1007/s00784-020-03354-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 05/19/2020] [Indexed: 10/24/2022]
Abstract
OBJECTIVES To investigate the effect of calcium hydroxide mixed with lidocaine HCl on postoperative spontaneous pain. MATERIALS AND METHODS Sixty patients having irreversible pulpitis and symptomatic apical periodontitis with a preoperative spontaneous pain and percussion pain which was more than 50 on a visual analogue scale (100 mm VAS) were included in this study. After the preparation of the root canals, the patients were randomly distributed into two groups according to the calcium hydroxide vehicle, control group (mixed with saline) and calcium hydroxide mixed with lidocaine HCl (n = 30). Postoperative spontaneous pain scores were recorded by a VAS every day for a week. Data were analysed using one-way analysis of variance, chi-squared test and Mann-Whitney U tests (p = 0.05). RESULTS The calcium hydroxide mixed with lidocaine HCl group resulted in significantly less pain compared with the calcium hydroxide mixed with saline group during days 1 to 4 (p < 0.05). There were no significant differences between the groups in terms of postoperative percussion pain levels (p > 0.05). CONCLUSION Within the limitations of this study, it can be concluded that the calcium hydroxide mixed with lidocaine HCl can be beneficial in reducing postoperative pain in teeth with irreversible pulpitis and symptomatic apical periodontitis. CLINICAL RELEVANCE The calcium hydroxide mixed with lidocaine HCl can be beneficial in reducing postoperative pain in teeth with irreversible pulpitis and symptomatic apical periodontitis. CLINICAL REGISTRATION NUMBER TCTR20181121003.
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Clarke HA, Manoo V, Pearsall EA, Goel A, Feinberg A, Weinrib A, Chiu JC, Shah B, Ladak SSJ, Ward S, Srikandarajah S, Brar SS, McLeod RS. Consensus Statement for the Prescription of Pain Medication at Discharge after Elective Adult Surgery. Can J Pain 2020; 4:67-85. [PMID: 33987487 PMCID: PMC7951150 DOI: 10.1080/24740527.2020.1724775] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 01/30/2020] [Accepted: 01/30/2020] [Indexed: 12/12/2022]
Abstract
This Consensus Statement provides recommendations on the prescription of pain medication at discharge from hospital for opioid-naïve adult patients who undergo elective surgery. It encourages health care providers (surgeons, anesthesiologists, nurses/nurse practitioners, pain teams, pharmacists, allied health professionals, and trainees) to (1) use nonopioid therapies and reduce the prescription of opioids so that fewer opioid pills are available for diversion and (2) educate patients and their families/caregivers about pain management options after surgery to optimize quality of care for postoperative pain. These recommendations apply to opioid-naïve adult patients who undergo elective surgery. This consensus statement is intended for use by health care providers involved in the management and care of surgical patients. A modified Delphi process was used to reach consensus on the recommendations. First, the authors conducted a scoping review of the literature to determine current best practices and existing guidelines. From the available literature and expertise of the authors, a draft list of recommendations was created. Second, the authors asked key stakeholders to review and provide feedback on several drafts of the document and attend an in-person consensus meeting. The modified Delphi stakeholder group included surgeons, anesthesiologists, residents, fellows, nurses, pharmacists, and patients. After multiple iterations, the document was deemed complete. The recommendations are not graded because they are mostly based on consensus rather than evidence.
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Affiliation(s)
- Hance A. Clarke
- Department of Anaesthesia and Pain Management, Toronto General Hospital, Toronto, Ontario, Canada
- Transitional Pain Service, Department of Anaesthesia and Pain Management, Toronto General Hospital, Toronto, Ontario, Canada
- Department of Anaesthesia, University of Toronto, Toronto, Ontario, Canada
- University of Toronto Centre for the Study of Pain, University of Toronto, Toronto, Ontario, Canada
| | - Varuna Manoo
- Department of Anaesthesia and Pain Management, Toronto General Hospital, Toronto, Ontario, Canada
- Transitional Pain Service, Department of Anaesthesia and Pain Management, Toronto General Hospital, Toronto, Ontario, Canada
| | - Emily A. Pearsall
- Department of Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Akash Goel
- Transitional Pain Service, Department of Anaesthesia and Pain Management, Toronto General Hospital, Toronto, Ontario, Canada
- Department of Anaesthesia, University of Toronto, Toronto, Ontario, Canada
| | - Adina Feinberg
- Department of Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Aliza Weinrib
- Transitional Pain Service, Department of Anaesthesia and Pain Management, Toronto General Hospital, Toronto, Ontario, Canada
| | - Jenny C. Chiu
- Department of Pharmacy, North York General Hospital, Toronto, Ontario, Canada
| | - Bansi Shah
- Transitional Pain Service, Department of Anaesthesia and Pain Management, Toronto General Hospital, Toronto, Ontario, Canada
| | - Salima S. J. Ladak
- Department of Anaesthesia and Pain Management, Toronto General Hospital, Toronto, Ontario, Canada
- Transitional Pain Service, Department of Anaesthesia and Pain Management, Toronto General Hospital, Toronto, Ontario, Canada
- Faculty of Nursing, University of Toronto, Toronto, Ontario, Canada
| | - Sarah Ward
- Department of Surgery, University of Toronto, Toronto, Ontario, Canada
- Department of Surgery, St. Michaels Hospital, Toronto, Ontario, Canada
| | - Sanjho Srikandarajah
- Department of Anaesthesia, North York General Hospital, Toronto, Ontario, Canada
| | - Savtaj S. Brar
- Department of Surgery, University of Toronto, Toronto, Ontario, Canada
- Department of Surgery, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Robin S. McLeod
- Department of Surgery, University of Toronto, Toronto, Ontario, Canada
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Topçuoğlu HS, Arslan H, Topçuoğlu G, Demirbuga S. The Effect of Cryotherapy Application on the Success Rate of Inferior Alveolar Nerve Block in Patients with Symptomatic Irreversible Pulpitis. J Endod 2019; 45:965-969. [DOI: 10.1016/j.joen.2019.05.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 03/12/2019] [Accepted: 05/01/2019] [Indexed: 11/16/2022]
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Keskin C, Sariyilmaz E, Keleş A, Güler DH. Effect of intracanal cryotherapy on the fracture resistance of endodontically treated teeth. Acta Odontol Scand 2019; 77:164-167. [PMID: 30623736 DOI: 10.1080/00016357.2018.1549748] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
OBJECTIVE The aim of this study is to evaluate the effect of intracanal cryotherapy on the fracture resistance of endodontically treated teeth. MATERIALS AND METHODS Sixty single-rooted maxillary lateral incisor teeth with single root canals were selected and randomly divided into two groups (n = 30). The specimens were immersed in distilled water, which was heated to 37 °C during the procedures. The root canals were chemomechanically prepared up to the apical size of 50 and assigned to either the control group or the cryotherapy group. The specimens in the cryotherapy group were irrigated with 20 mL sterile cold (2.5 °C) saline solution, which was delivered with an EndoVac system for 5 min, whereas the specimens in the control group received a sterile saline solution at room temperature. The fracture resistance of the specimens was then tested with a universal testing machine. The data was analyzed using the independent sample t test with a 5% significance threshold. RESULTS The fracture strength of the specimens in the intracanal cryotherapy group was significantly lower than that of the control group (p< .05). CONCLUSIONS Application of intracanal cryotherapy as a final irrigant reduced the vertical fracture resistance of prepared roots when compared to the control group.
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Affiliation(s)
- Cangül Keskin
- Department of Endodontics, Faculty of Dentistry, Ondokuz Mayıs University, Samsun, Turkey
| | - Evren Sariyilmaz
- Department of Endodontics, Faculty of Dentistry, Ordu University, Ordu, Turkey
| | - Ali Keleş
- Department of Endodontics, Faculty of Dentistry, Ondokuz Mayıs University, Samsun, Turkey
| | - Duygu H. Güler
- Department of Endodontics, Faculty of Dentistry, Ondokuz Mayıs University, Samsun, Turkey
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Adıgüzel M, Yılmaz K, Tüfenkçi P. Comparison of postoperative pain intensity after using reciprocating and continuous rotary glide path systems: a randomized clinical trial. Restor Dent Endod 2019; 44:e9. [PMID: 30834231 PMCID: PMC6387895 DOI: 10.5395/rde.2019.44.e9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 01/02/2019] [Accepted: 01/28/2019] [Indexed: 11/25/2022] Open
Abstract
Objectives The aim of this study was to compare postoperative pain intensity after root canal treatment with One G (OG) vs. R-Pilot (RP) files used for glide path preparation. Materials and Methods Ninety-three single-canaled mandibular premolar teeth with asymptomatic non-vital pulp were randomly assigned into 3 groups (n = 31): OG, RP, or without glide path (WGP). After creating the glide path, the root canals were prepared using sequential Mtwo rotary files to size 30/0.05. One endodontic specialist carried out single-visit endodontic treatment. The patients were asked to rate the severity of postoperative pain on a visual analogue scale at 24, 48, and 72 hours after the visit. They were also asked to record their intake of prescribed analgesics taken. The data were analyzed using the χ2, Friedman, Kruskal-Wallis, and Mann-Whitney U tests. Results In all 3 groups, postoperative pain decreased significantly at each time interval (p < 0.05). At 24 hours, the OG group had less postoperative pain than the WGP group (p < 0.05). However, no significant difference was found between the RP group and the others. No statistically significant difference was found among the WGP, OG, and RP groups in postoperative pain intensity at 48 or 72 hours or in analgesic tablet intake at the 3 assessed time intervals. Conclusions The OG group had less postoperative pain than the WGP group in the first 24 hours. The OG and RP systems were similar regarding postoperative pain intensity and analgesic intake.
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Affiliation(s)
- Mehmet Adıgüzel
- Department of Endodontics, Faculty of Dentistry, Hatay Mustafa Kemal University, Hatay, Turkey
| | - Koray Yılmaz
- Department of Endodontics, Faculty of Dentistry, Hatay Mustafa Kemal University, Hatay, Turkey
| | - Pelin Tüfenkçi
- Department of Endodontics, Faculty of Dentistry, Hatay Mustafa Kemal University, Hatay, Turkey
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Keskin C, Sivas Yilmaz Ö, Inan U, Özdemir Ö. Postoperative pain after glide path preparation using manual, reciprocating and continuous rotary instruments: a randomized clinical trial. Int Endod J 2018; 52:579-587. [DOI: 10.1111/iej.13053] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Accepted: 12/03/2018] [Indexed: 11/29/2022]
Affiliation(s)
- C. Keskin
- Department of Endodontics Faculty of Dentistry Ondokuz Mayıs University Samsun Turkey
| | - Ö. Sivas Yilmaz
- Department of Endodontics Faculty of Dentistry Ondokuz Mayıs University Samsun Turkey
| | - U. Inan
- Department of Endodontics Faculty of Dentistry Ondokuz Mayıs University Samsun Turkey
| | - Ö. Özdemir
- Miadent Oral and Dental Health Center Ankara Turkey
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Emara RS, Abou El Nasr HM, El Boghdadi RM. Evaluation of postoperative pain intensity following occlusal reduction in teeth associated with symptomatic irreversible pulpitis and symptomatic apical periodontitis: a randomized clinical study. Int Endod J 2018; 52:288-296. [DOI: 10.1111/iej.13012] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Accepted: 08/28/2018] [Indexed: 01/17/2023]
Affiliation(s)
- R. S. Emara
- Department of Endodontics Faculty of Oral and Dental Medicine Cairo University Cairo Egypt
| | - H. M. Abou El Nasr
- Department of Endodontics Faculty of Oral and Dental Medicine Cairo University Cairo Egypt
| | - R. M. El Boghdadi
- Department of Endodontics Faculty of Oral and Dental Medicine Cairo University Cairo Egypt
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