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Ismail E, Mohamed A, Elzwawy A, Maboza E, Dhlamini MS, Adam RZ. Comparative Study of Callistemon citrinus (Bottlebrush) and Punica granatum (Pomegranate) Extracts for Sustainable Synthesis of Silver Nanoparticles and Their Oral Antimicrobial Efficacy. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:974. [PMID: 38869599 PMCID: PMC11173488 DOI: 10.3390/nano14110974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Revised: 05/28/2024] [Accepted: 05/31/2024] [Indexed: 06/14/2024]
Abstract
A comparative study was applied to investigate the potential of Callistemon citrinus (bottlebrush) flower extract (BBE) and Punica granatum (pomegranate) peel extracts (PPE) for the sustainable synthesis of the silver nanoparticles, Ag-BBE and Ag-PPE, respectively. The synthesis process of Ag NPs using the selected extracts was applied under optimized conditions. Hence, the effect of the selected plant's type on the different characteristics of the synthesized green Ag NPs was investigated. The UV-Vis spectroscopy revealed the presence of the characteristic silver peaks at 419 and 433 nm of the Ag-BBE and Ag-PPE, respectively. The XRD spectra reported the fcc phase formation of Ag NPs. The TEM results highlighted the morphological features of the synthesized Ag NPs. with a size range of 20-70 nm, and with 10-30 nm for Ag-BBE and Ag-PPE, correspondingly. The Raman spectra revealed characteristic silver bands in the Ag-PPE and reflected some bands related to the natural extract in the Ag-BBE sample. The antimicrobial activity and statistical analysis investigation were conducted against four selected oral pathogens (Staphylococcus aureus (SA), Candida albicans (CA), Staphylococcus epidermidis (S. epi), and Enterococcus faecalis (EF)). Both tested extracts, BBE, and PPE, revealed potential effectivity as reducing and capping agents for Ag NP green synthesis. However, the synthesized NPs demonstrated different features, depending on the used extract, reflecting the influence of the plant's biomolecules on the nanoparticles' properties.
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Affiliation(s)
- Enas Ismail
- Department of Prosthodontics, Faculty of Dentistry, University of the Western Cape, Cape Town 7505, South Africa
- Physics Department, Faculty of Science (Girl’s Branch), Al Azhar University, Nasr City 11884, Cairo, Egypt
| | - Abubaker Mohamed
- Department of Prosthodontics, Faculty of Dentistry, University of the Western Cape, Cape Town 7505, South Africa
| | - Amir Elzwawy
- Ceramics Department, Advanced Materials Technology and Mineral Resources Research Institute, National Research Centre (NRC), 33 El Bohouth St., Dokki, Giza 12622, Egypt
| | - Ernest Maboza
- Oral and Dental Research Laboratory, Faculty of Dentistry, University of the Western Cape, Cape Town 7505, South Africa
| | | | - Razia Z. Adam
- Department of Prosthodontics, Faculty of Dentistry, University of the Western Cape, Cape Town 7505, South Africa
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Ardila CM, Bedoya-García JA, González-Arroyave D. Antimicrobial resistance in patients with endodontic infections: A systematic scoping review of observational studies. AUST ENDOD J 2023; 49:386-395. [PMID: 36054305 DOI: 10.1111/aej.12680] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 07/31/2022] [Accepted: 08/15/2022] [Indexed: 12/29/2022]
Abstract
The aim of this study was to assess the prevalence and proportions of antimicrobial-resistant species in patients with endodontic infections. A systematic scoping review of scientific evidence was accomplished involving different databases. Nine investigations were selected including 651 patients. Enterococcus faecalis was resistant to tetracycline (30%-70%), clindamycin (100%), erythromycin (10%-20%), ampicillin (9%) and azithromycin (60%). On the contrary, Prevotella spp., Fusobacterium spp., Peptostreptococcus spp. and Streptococcus spp. were resistant to penicillin, tetracycline, doxycycline, ciprofloxacin, amoxicillin, erythromycin, metronidazole and clindamycin in different proportions. Fusobacterium nucleatum showed high resistance to amoxicillin, amoxicillin plus clavulanate and erythromycin. Prevotella oralis presented a predisposition to augment its resistance to clindamycin over time. Tanerella forsythia exhibited resistance to ciprofloxacin and rifampicin. Lactococcus lactis presented robust resistance to cephalosporins, metronidazole, penicillin, amoxicillin and amoxicillin-clavulanic acid. It was observed high levels of resistance to antimicrobials that have been utilised in the local and systemic treatment of oral cavity infections.
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Affiliation(s)
- Carlos-M Ardila
- Universidad de Antioquia U de A, Medellín, Colombia
- Biomedical Stomatology Research Group, Universidad de Antioquia U de A, Medellín, Colombia
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Bigus S, Russmüller G, Starzengruber P, Reitter H, Sacher CL. Antibiotic resistance of the bacterial spectrum of deep space head and neck infections in oral and maxillofacial surgery - a retrospective study. Clin Oral Investig 2023; 27:4687-4693. [PMID: 37294354 DOI: 10.1007/s00784-023-05095-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 05/23/2023] [Indexed: 06/10/2023]
Abstract
OBJECTIVES The aim of this study was to evaluate the current resistance situation concerning routinely used antibiotics for treatment in odontogenic abscesses. MATERIALS AND METHODS This retrospective study assessed patients with deep space head and neck infections who were treated by surgical intervention under general anesthesia at our department. The target parameter was the ascertainment of the resistance rates in order to identify the bacterial spectrum, sites in the body, length of inpatient stay, and the age and sex of the patients. RESULTS A total of 539 patients, 268 (49.7%) males and 271 (50.3%) females were included in the study. The mean age was 36.5 ± 22.1 years. There was no significant difference between the two sexes with regard to the mean duration of hospitalization (p = 0.574). The predominant bacteria in the aerobic spectrum were streptococci of the viridans group and staphylococci, in the anaerobic spectrum Prevotella and Propionibacteria spp. Rates of resistance to clindamycin were between 34 and 47% in both the facultative and obligate anaerobic spectrum. Increased resistance was likewise found in the facultative anaerobic spectrum, with 94% resistance to ampicillin and 45% to erythromycin. CONCLUSION Due to the increasing levels of resistance to clindamycin, their use in empiric antibiotic treatment for deep space head and neck infections should be viewed critically. CLINICAL RELEVANCE Resistance rates continue to increase compared to previous studies. The use of these antibiotic groups in patients with a penicillin allergy needs to be called into question and alternative medications sought.
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Affiliation(s)
- Simon Bigus
- Department of Oral and Maxillofacial Surgery, Campus Virchow-Klinikum, Charité - University Medicine Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Günter Russmüller
- Department of Oral and Maxillofacial Surgery, University Hospital Vienna, Währinger Gürtel 18-20, 1090, Vienna, Austria
| | - Peter Starzengruber
- Department of Laboratory Medicine, University Hospital Vienna, Währinger Gürtel 18-20, 1090, Vienna, Austria
| | - Hannah Reitter
- Austrian Public Health Insurance, Wienerbergstrasse 13, 1100, Vienna, Austria
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Zhao X, Ma J, Wu X, Wei C. Parapharyngeal Abscess: Antibiotic-only or Open Surgical Drainage? EAR, NOSE & THROAT JOURNAL 2023:1455613231185041. [PMID: 37464765 DOI: 10.1177/01455613231185041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023] Open
Abstract
Objective:Many problems of parapharyngeal abscess (PPA), such as etiology, predisposing factors, and therapeutic methods, are still controversial. We aim to investigate the characteristics of PPA to better understand the therapeutic effects of the disease. Methods: We retrospectively collated the medical record reviews of 49 PPA patients who were treated as PPA inpatients when a patient was hospitalized and diagnosed with PPA, and empiric antibiotics were used. Only if the drug treatment was ineffective, the abscess was large, or the disease continued to progress, and surgical treatment was adopted. Results: In total, 49 patients who met the research criteria were identified. Streptococcus was the most common organism in PPA patients. The morbidity of diabetes in PPA patients was higher than the prevalence of diabetes in the overall population. Interestingly, the length of hospital stay was shorter in the antibiotic-only group than in the surgery group (P < 0.05). Furthermore, the duration from onset to treatment in the antibiotic-only group was shorter than in the surgery group. Conclusion: Our treatment protocol is effective. Antibiotic-only method is also recommended for the PPA which was effective for the empiric antibiotics and localized. Early diagnosis and treatment of PPA could ultimately reduce the severity of PPA.
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Affiliation(s)
- Xiaoyun Zhao
- Department of Otolaryngology-Head and Neck Surgery, Eye, Ear, Nose & Throat Hospital, Fudan University, Shanghai, PR China
| | - Jingru Ma
- Department of Otolaryngology-Head and Neck Surgery, Eye, Ear, Nose & Throat Hospital, Fudan University, Shanghai, PR China
| | - Xiufa Wu
- Department of Otolaryngology-Head and Neck Surgery, Eye, Ear, Nose & Throat Hospital, Fudan University, Shanghai, PR China
| | - Chunsheng Wei
- Department of Otolaryngology-Head and Neck Surgery, Eye, Ear, Nose & Throat Hospital, Fudan University, Shanghai, PR China
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Gao W, Lin Y, Yue H, Chen W, Liu T, Ye J, Cai Q, Ye F, He L, Xie X, Xiong G, Wu J, Wang B, Wen W, Lei W. Bacteriological analysis based on disease severity and clinical characteristics in patients with deep neck space abscess. BMC Infect Dis 2022; 22:280. [PMID: 35321647 PMCID: PMC8944129 DOI: 10.1186/s12879-022-07259-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 03/09/2022] [Indexed: 12/16/2022] Open
Abstract
Background Deep neck space abscess (DNSA) is a serious infection in the head and neck. Antibiotic therapy is an important treatment in patients with DNSA. However, the results of bacterial culture need at least 48 h, and the positive rate is only 30–50%, indicating that the use of empiric antibiotic treatment for most patients with DNSA should at least 48 h or even throughout the whole course of treatment. Thus, how to use empiric antibiotics has always been a problem for clinicians. This study analyzed the distribution of bacteria based on disease severity and clinical characteristics of DNSA patients, and provides bacteriological guidance for the empiric use of antibiotics. Methods We analyzed 433 patients with DNSA who were diagnosed and treated at nine medical centers in Guangdong Province between January 1, 2015, and December 31, 2020. A nomogram for disease severity (mild/severe) was constructed using least absolute shrinkage and selection operator–logistic regression analysis. Clinical characteristics for the Gram reaction of the strain were identified using multivariate analyses. Results 92 (21.2%) patients developed life-threatening complications. The nomogram for disease severity comprised of seven predictors. The area under the receiver operating characteristic curves of the nomogram in the training and validation cohorts were 0.951 and 0.931, respectively. In the mild cases, 43.2% (101/234) had positive culture results (49% for Gram-positive and 51% for Gram-negative strains). The positive rate of cultures in the patients with severe disease was 63% (58/92, 37.9% for Gram-positive, and 62.1% for Gram-negative strains). Diabetes mellitus was an independent predictor of Gram-negative strains in the mild disease group, whereas gas formation and trismus were independent predictors of Gram-positive strains in the severe disease group. The positivity rate of multidrug-resistant strains was higher in the severe disease group (12.1%) than in the mild disease group (1.0%) (P < 0.001). Metagenomic sequencing was helpful for the bacteriological diagnosis of DNSA by identifying anaerobic strains (83.3%). Conclusion We established a DNSA clinical severity prediction model and found some predictors for the type of Gram-staining strains in different disease severity cases. These results can help clinicians in effectively choosing an empiric antibiotic treatment.
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Affiliation(s)
- Wenxiang Gao
- Otorhinolaryngology Hospital, First Affiliated Hospital, Sun Yat-Sen University, 58 Zhongshan 2nd Road, Guangzhou, Guangdong, People's Republic of China
| | - Yu Lin
- Otorhinolaryngology Hospital, First Affiliated Hospital, Sun Yat-Sen University, 58 Zhongshan 2nd Road, Guangzhou, Guangdong, People's Republic of China
| | - Huijun Yue
- Otorhinolaryngology Hospital, First Affiliated Hospital, Sun Yat-Sen University, 58 Zhongshan 2nd Road, Guangzhou, Guangdong, People's Republic of China
| | - Weixiong Chen
- Department of Otorhinolaryngology-Head and Neck Surgery, First People's Hospital of Foshan, Foshan, Guangdong, People's Republic of China
| | - Tianrun Liu
- Department of Otorhinolaryngology-Head and Neck Surgery, Sixth Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, People's Republic of China
| | - Jin Ye
- Department of Otorhinolaryngology-Head and Neck Surgery, Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, People's Republic of China
| | - Qian Cai
- Department of Otorhinolaryngology-Head and Neck Surgery, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, People's Republic of China
| | - Fei Ye
- Department of Otorhinolaryngology-Head and Neck Surgery, Zhongshan People's Hospital, Zhongshan, Guangdong, People's Republic of China
| | - Long He
- Department of Otorhinolaryngology-Head and Neck Surgery, First People's Hospital of Guangzhou, Guangzhou, Guangdong, People's Republic of China
| | - Xingqiang Xie
- Department of Otorhinolaryngology-Head and Neck Surgery, First People's Hospital of Zhaoqing, Zhaoqing, Guangdong, People's Republic of China
| | - Guoping Xiong
- Department of Otorhinolaryngology-Head and Neck Surgery, Jiangmen Central Hospital Affiliated Jiangmen Hospital of Sun Yat-Sen University, Jiangmen, Guangdong, People's Republic of China
| | - Jianhui Wu
- Department of Otorhinolaryngology-Head and Neck Surgery, Zhongshan People's Hospital, Zhongshan, Guangdong, People's Republic of China
| | - Bin Wang
- Department of Otorhinolaryngology-Head and Neck Surgery, First People's Hospital of Guangzhou, Guangzhou, Guangdong, People's Republic of China
| | - Weiping Wen
- Otorhinolaryngology Hospital, First Affiliated Hospital, Sun Yat-Sen University, 58 Zhongshan 2nd Road, Guangzhou, Guangdong, People's Republic of China
| | - Wenbin Lei
- Otorhinolaryngology Hospital, First Affiliated Hospital, Sun Yat-Sen University, 58 Zhongshan 2nd Road, Guangzhou, Guangdong, People's Republic of China.
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B. Abraham S, Abdulla N, Himratul-Aznita WH, Awad M, Samaranayake LP, Ahmed HMA. Antibiotic prescribing practices of dentists for endodontic infections; a cross-sectional study. PLoS One 2020; 15:e0244585. [PMID: 33378378 PMCID: PMC7773263 DOI: 10.1371/journal.pone.0244585] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 12/11/2020] [Indexed: 11/23/2022] Open
Abstract
Objective The indiscriminate prescription of antibiotics has led to the emergence of resistance microbes worldwide. This study aimed to investigate the antibiotic prescribing practices amongst general dental practitioners and specialists in managing endodontic infections in the United Arab Emirates (UAE). Design General dental practitioners and specialists in the UAE were invited to participate in an online questionnaire survey which included questions on socio-demographics, practitioner’s antibiotic prescribing preferences for various pulpal and periapical diseases, and their choice, in terms of the type, dose and duration of the antibiotic. The link to the survey questionnaire was sent to 250 invited dentists. Data were analyzed by descriptive statistics and chi-square tests for independence and level of significance was set at 0.05. Results A total of 174 respondents participated in the survey (response rate = 70%). The respondents who prescribed antibiotics at least once a month were 38.5% while 17.2% did so, more than three times a week; amoxicillin 500 mg was the antibiotic of choice for patients not allergic to penicillin (43.7%), and in cases of penicillin allergies, erythromycin 500 mg (21.3%). There was a significant difference in the antibiotic prescribing practices of GDPs compared to endodontists and other specialties especially in clinical cases such as acute apical abscesses with swelling and moderate to severe pre-operative symptoms and retreatment of endodontic cases (p<0.05). Approximately, three quarters of the respondents (78.7%) did not prescribe a loading dose when prescribing antibiotics. About 15% respondents prescribed antibiotics to their patients if they were not accessible to patients due to a holiday/weekend. Conclusions In general, the antibiotic prescribing practices of UAE dentists are congruent with the international norms. However, there were occasions of inappropriate prescriptions such as in patients with irreversible pulpitis, necrotic pulps with no systemic involvement and/or with sinus tracts.
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Affiliation(s)
- Sheela B. Abraham
- Department of Preventive and Restorative Dentistry, College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Department of Restorative Dentistry, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Nizam Abdulla
- Department of Oral and Craniofacial Health Sciences, College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Wan Harun Himratul-Aznita
- Department of Oral & Craniofacial Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Manal Awad
- Department of Preventive and Restorative Dentistry, College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Lakshman Perera Samaranayake
- Department of Oral and Craniofacial Health Sciences, College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Faculty of Dentistry, The University of Hong Kong, Hong Kong
| | - Hany Mohamed Aly Ahmed
- Department of Restorative Dentistry, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
- * E-mail:
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Fouad AF. Microbiological aspects of traumatic injuries. Dent Traumatol 2019; 35:324-332. [PMID: 31125490 DOI: 10.1111/edt.12494] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2019] [Accepted: 05/21/2019] [Indexed: 12/11/2022]
Abstract
After traumatic injuries to teeth, microorganisms may invade the compromised pulp tissue and initiate pulp infection and periapical inflammation. In addition to bone resorption that typically accompanies pulp necrosis, root resorption frequently occurs. Root resorption has several variants that may occur shortly after the trauma or at a later stage. The pathological changes seen after traumatic injuries to teeth are invariably linked to the presence of microbial irritants. The presence of bacterial biofilms in the dental pulp space can be treated with regenerative or therapeutic endodontic procedures. However, necrosis of periodontal ligament is usually terminal for the tooth involved. In this review, the sources of bacteria after traumatic injuries are discussed. The types and role of microorganisms involved in the pathogenesis of endodontic pathosis after traumatic injuries are presented, and contemporary approaches for the management of these conditions are reviewed. Contemporary antimicrobial strategies are discussed. The rationale for the use of systemic and topical antimicrobials is presented. Finally, novel approaches to the use of antimicrobial therapies, particularly in regenerative procedures, are reviewed.
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Affiliation(s)
- Ashraf F Fouad
- Department of Endodontics, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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Loyola-Rodriguez JP, Franco-Miranda A, Loyola-Leyva A, Perez-Elizalde B, Contreras-Palma G, Sanchez-Adame O. Prevention of infective endocarditis and bacterial resistance to antibiotics: A brief review. SPECIAL CARE IN DENTISTRY 2019; 39:603-609. [PMID: 31464005 DOI: 10.1111/scd.12415] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 07/31/2019] [Accepted: 08/03/2019] [Indexed: 12/26/2022]
Abstract
The purpose of this statement is to debate the recommendations of the American Heart Association (AHA) for the prevention of infective endocarditis through an antibiotic prophylaxis protocol and its relation with bacterial resistance to antibiotics. Since dental infections involve biofilms that include several bacterial species (Gram-negative and Gram-positive), it is essential, from the dental point of view, to consider the frequency, magnitude, and duration of bacteremia associated with active dental infections before applying antibiotic prophylaxis. The actual guidelines for antibiotic prophylaxis should be revised according to recent evidence of bacterial resistance. Amoxicillin/clavulanic acid and moxifloxacin should be considered due to their effectiveness against bacteria associated with oral, GU, and GI infections and the low rates of antibiotic resistance associated with these antibiotics, instead of the actual protocol, which includes amoxicillin (2 g) or clindamycin (600 mg) administered an hour before the dental procedures. The breaking point to test the antibiotic bacterial resistance (ABR) had a wide range in the different studies that were analyzed, which could explain the widely varied ABR percentages reported for the various antibiotics used for antibiotic prophylaxis.
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Affiliation(s)
- Juan Pablo Loyola-Rodriguez
- Laboratorio de Biomateriales y Bionanotecnología, Maestría en Ciencias de la Salud, Facultad de Medicina, Universidad Autónoma de Guerrero, Acapulco, México
| | | | - Alejandra Loyola-Leyva
- Doctorado en Ciencias Biomedicas Básicas, Universidad Autónoma de San Luis Potosí, México
| | - Bulfrano Perez-Elizalde
- Medicina Translacional, Maestría en Ciencias de la Salud, Facultad de Medicina, Universidad Autónoma de Guerrero, Acapulco, México
| | - Guillermo Contreras-Palma
- Laboratorio de Biomateriales y Bionanotecnología, Maestría en Ciencias de la Salud, Facultad de Medicina, Universidad Autónoma de Guerrero, Acapulco, México
| | - Oscar Sanchez-Adame
- Medicina Translacional, Maestría en Ciencias de la Salud, Facultad de Medicina, Universidad Autónoma de Guerrero, Acapulco, México
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Delbet-Dupas C, Devoize L, Depeyre A, Mulliez A, Barthélémy I, Pham Dang N. Are routine microbiological samplings in acute dental infections justified? Our 10-year real-life experience. JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2019; 120:397-401. [PMID: 30836194 DOI: 10.1016/j.jormas.2019.02.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Accepted: 02/26/2019] [Indexed: 11/17/2022]
Abstract
PURPOSE Most patients with severe odontogenic infections are successfully treated with large spectrum probabilistic antibioc therapy, drainage of the collections and tooth treatment or extraction and are discharged home before antibiotic sensitivity results were available. The investigators hypothesized whether bacteriological sampling should be systematically performed in the management of patients with severe odontogenic infections. METHODS The investigators implemented a prospective observational study. The sample was composed of patients managed between January 2004 and December 2014 for severe odontogenic infection based on three criteria: hospital admission, intravenous antibiotic therapy, tooth extraction and collections drainage under general anesthesia. The predictor variable was the results of bacteriological sampling, culture and sensitivity. The outcome variable was antibiotic therapy adaptation according to antibiotic sensitivity results. RESULTS The sample was composed of 653 patients; 386 (59%) were male and 267 (41%) female, with a mean age of 37 years (range 18-88); 378 (58%) patients had been receiving oral antibiotics before admission to hospital, for a mean duration of 4.1 days (range 1 - 30). About 535 (81.9%) patients had swabs taken during surgery. Microorganisms were observed in 477 (89.1%) patients but in 377 (70.5%) they were polymorphic oropharyngeal flora. After culture, at least one antibiogram was obtained for 91 (17%) patients and the results led to antibiotic therapy being adapted in 23 (4.3%) patients. CONCLUSION The results suggest that bacteriological analysis had an impact on evolution in less than 5% of patients. Future studies will focus on the patients for whom the bacteriological analysis is essential.
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Affiliation(s)
- C Delbet-Dupas
- Department of oral and maxillofacial surgery, NHE, CHU de Clermont-Ferrand, université d'Auvergne, Clermont-Ferrand, 63003, France
| | - L Devoize
- UMR Inserm/UdA, U1107, Neuro-Dol, Trigeminal Pain and Migraine, université d'Auvergne, Clermont-Ferrand, 63003, France; Department of odontology, CHU de Clermont-Ferrand, Université d'Auvergne, Clermont-Ferrand, 63003, France
| | - A Depeyre
- Department of oral and maxillofacial surgery, NHE, CHU de Clermont-Ferrand, université d'Auvergne, Clermont-Ferrand, 63003, France
| | - A Mulliez
- Délégation recherche clinique and innovation, CHU de Clermont-Ferrand, université d'Auvergne, Clermont-Ferrand, 63003, France
| | - I Barthélémy
- Department of oral and maxillofacial surgery, NHE, CHU de Clermont-Ferrand, université d'Auvergne, Clermont-Ferrand, 63003, France; UMR Inserm/UdA, U1107, Neuro-Dol, Trigeminal Pain and Migraine, université d'Auvergne, Clermont-Ferrand, 63003, France
| | - N Pham Dang
- Department of oral and maxillofacial surgery, NHE, CHU de Clermont-Ferrand, université d'Auvergne, Clermont-Ferrand, 63003, France; UMR Inserm/UdA, U1107, Neuro-Dol, Trigeminal Pain and Migraine, université d'Auvergne, Clermont-Ferrand, 63003, France.
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Domínguez-Pérez RA, De la Torre-Luna R, Ahumada-Cantillano M, Vázquez-Garcidueñas MS, Pérez-Serrano RM, Martínez-Martínez RE, Guillén-Nepita AL. Detection of the antimicrobial resistance genes blaTEM-1, cfxA, tetQ, tetM, tetW and ermC in endodontic infections of a Mexican population. J Glob Antimicrob Resist 2018; 15:20-24. [DOI: 10.1016/j.jgar.2018.05.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 05/12/2018] [Accepted: 05/15/2018] [Indexed: 12/28/2022] Open
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Loyola-Rodriguez JP, Ponce-Diaz ME, Loyola-Leyva A, Garcia-Cortes JO, Medina-Solis CE, Contreras-Ramire AA, Serena-Gomez E. Determination and identification of antibiotic-resistant oral streptococci isolated from active dental infections in adults. Acta Odontol Scand 2018; 76:229-235. [PMID: 29160117 DOI: 10.1080/00016357.2017.1405463] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
OBJECTIVE To determine and identify antibiotic-resistant bacteria (ARB) of oral streptococci from active dental infections in adults and its association with age and gender. MATERIAL AND METHODS This cross-sectional study included 59 subjects from 18 to 62 years old. Ninety-eighth samples obtained from the subjects were cultivated in agar plates containing antibiotics amoxicillin/clavulanic acid (A-CA), clindamycin, and moxifloxacin (concentrations of 16, 32 or 64 µg/ml). PCR assay was performed to identify bacterial species. RESULTS The bacterial species that showed more antibiotic-resistance (AR) was S. mutans (45.9%), followed by S. gordonii (21.6%), S. oralis (17.6%), S. sanguinis (9.5%), S. salivarius (5.4%) and S. sobrinus (0%). Moreover, clindamycin (59.4%) showed the highest frequency of AR. Moxifloxacin and A-CA showed an susceptibility >99.1%, while clindamycin showed the lowest efficacy (93.3%); there was a significant statistically difference (p < .01). The age group between 26 and 50 years old (32.2%) and females (28.8%) showed more multiresistance. Clindamycin showed a statistical difference (p < .05) when comparing groups by gender. CONCLUSIONS Clindamycin was the antibiotic with the highest frequency of ARB and lower bactericidal effect. Moxifloxacin and A-CA showed the highest efficacy and the lowest ARB frequency. Streptococcus mutans was the bacterial specie that showed an increased frequency of AR.
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Affiliation(s)
| | - Maria Elena Ponce-Diaz
- Area of Dentistry of the Institute of Health´s Sciences, Autonomous University of the State of Hidalgo, Pachuca, Mexico
| | - Alejandra Loyola-Leyva
- Doctorado en Ciencias Biomédicas Básicas, Facultad de Medicina, Universidad Autónoma de San Luis Potosí, San Luis Potosí, México
| | - Jose O. Garcia-Cortes
- Facultad de Estomatología, Universidad Autónoma de San Luis Potosí, San Luis Potosí, México
| | - Carlo E. Medina-Solis
- Area of Dentistry of the Institute of Health´s Sciences, Autonomous University of the State of Hidalgo, Pachuca, Mexico
| | - Azael A. Contreras-Ramire
- Area of Dentistry of the Institute of Health´s Sciences, Autonomous University of the State of Hidalgo, Pachuca, Mexico
| | - Eduardo Serena-Gomez
- CISALUD Valle de las Palmas, Universidad Autónoma de Baja California, Tijuana, México
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13
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Germack M, Sedgley CM, Sabbah W, Whitten B. Antibiotic Use in 2016 by Members of the American Association of Endodontists: Report of a National Survey. J Endod 2017; 43:1615-1622. [DOI: 10.1016/j.joen.2017.05.009] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 05/17/2017] [Indexed: 10/19/2022]
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14
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15
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Lang PM, Jacinto RC, Dal Pizzol TS, Ferreira MBC, Montagner F. Resistance profiles to antimicrobial agents in bacteria isolated from acute endodontic infections: systematic review and meta-analysis. Int J Antimicrob Agents 2016; 48:467-474. [DOI: 10.1016/j.ijantimicag.2016.08.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Revised: 08/02/2016] [Accepted: 08/08/2016] [Indexed: 01/01/2023]
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16
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Podar R, Kulkarni GP, Dadu SS, Singh S, Singh SH. In vivo antimicrobial efficacy of 6% Morinda citrifolia, Azadirachta indica, and 3% sodium hypochlorite as root canal irrigants. Eur J Dent 2016; 9:529-534. [PMID: 26929692 PMCID: PMC4745235 DOI: 10.4103/1305-7456.172615] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Objective: To evaluate and compare the antimicrobial efficacy of 6% Morinda citrifolia, Azadirachta indica, and 3% sodium hypochlorite (NaOCl) as root canal irrigants. Materials and Methods: Thirty nonvital maxillary anteriors were randomly assigned to one of the three groups corresponding to the irrigant to be tested; 6% Morinda citrifolia juice (MCJ) (n = 10), A. indica (n = 10) and 3% NaOCl (n = 10). After the root canal access opening a root canal culture sample was taken with two paper points and cultured under aerobic and anaerobic conditions. Cleaning and shaping were completed with irrigation by 10 mL of respective irrigants and 5 mL of final rinse. The patients were recalled after 3 days and canals were rinsed again with 5 mL of the test irrigants. This was followed by obtaining a posttreatment root canal culture sample and culturing and analyzed by counting the colony forming units (CFUs). Results: Six percentage MCJ, A. indica, and 3% NaOCl showed a significant reduction (P < 0.05) in the mean CFU counts for aerobic and anaerobic bacteria between baseline and 3 days. Conclusion: There was no difference in the antimicrobial efficacy of 6% M. citrifolia, A. indica, and 3% NaOCl as root canal irrigants.
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Affiliation(s)
- Rajesh Podar
- Department of Conservative Dentistry and Endodontics, Terna Dental College, Nerul, Navi Mumbai, Maharashtra, India
| | - Gaurav P Kulkarni
- Department of Conservative Dentistry and Endodontics, Terna Dental College, Nerul, Navi Mumbai, Maharashtra, India
| | - Shifali S Dadu
- Department of Conservative Dentistry and Endodontics, Terna Dental College, Nerul, Navi Mumbai, Maharashtra, India
| | - Shraddha Singh
- Department of Conservative Dentistry and Endodontics, Terna Dental College, Nerul, Navi Mumbai, Maharashtra, India
| | - Shishir H Singh
- Department of Conservative Dentistry and Endodontics, Terna Dental College, Nerul, Navi Mumbai, Maharashtra, India
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17
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Furtos G, Rivero G, Rapuntean S, Abraham GA. Amoxicillin-loaded electrospun nanocomposite membranes for dental applications. J Biomed Mater Res B Appl Biomater 2016; 105:966-976. [DOI: 10.1002/jbm.b.33629] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 01/15/2016] [Accepted: 01/16/2016] [Indexed: 11/09/2022]
Affiliation(s)
- Gabriel Furtos
- Department of Dental Materials; Babes-Bolyai University-Raluca Ripan, Institute of Research in Chemistry; Cluj-Napoca Romania
| | - Guadalupe Rivero
- Biomedical Polymers Division; Research Institute for Materials Science and Technology (INTEMA); B7608FDQ Mar del Plata Argentina
| | - Sorin Rapuntean
- Faculty of Veterinary Medicine; University of Agricultural Sciences and Veterinary Medicine; Cluj-Napoca Romania
| | - Gustavo A. Abraham
- Biomedical Polymers Division; Research Institute for Materials Science and Technology (INTEMA); B7608FDQ Mar del Plata Argentina
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18
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Moraes LC, Só MVR, Dal Pizzol TDS, Ferreira MBC, Montagner F. Distribution of Genes Related to Antimicrobial Resistance in Different Oral Environments: A Systematic Review. J Endod 2015; 41:434-41. [DOI: 10.1016/j.joen.2014.12.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2014] [Revised: 10/12/2014] [Accepted: 12/16/2014] [Indexed: 10/23/2022]
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19
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Loyola-Rodriguez JP, Garcia-Cortes JO, Martinez-Martinez RE, Patiño-Marin N, Martinez-Castañon GA, Zavala-Alonso NV, Amano A. Molecular identification and antibiotic resistant bacteria isolated from primary dentition infections. Aust Dent J 2014; 59:497-503. [PMID: 25091293 DOI: 10.1111/adj.12213] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/19/2013] [Indexed: 11/29/2022]
Abstract
BACKGROUND Bacterial resistance to antibiotics is a health problem in many parts of the world. The aim of this study was to identify bacteria from dental infections and determine bacterial resistance to antibiotics used in dental care in the primary dentition. METHODS This cross-sectional study comprised 60 children who presented for dental treatment for active dental infections in the primary dentition. Samples from dental infections were collected and bacteria were identified by polymerase chain reaction (PCR) assay. Bacterial resistance to antibiotics was determined by colony forming units on agar plates containing amoxicillin, clindamycin and amoxillicin-clavulanic acid (A-CA) tested at 8 μg/ml or 16 μg/ml. RESULTS Clindamycin in both concentrations tested (8 μg/ml and 16 μg/ml) showed the highest bacterial resistance (85.9%), followed by amoxicillin (43.7%) and A-CA (12.0%). All comparisons among the three antibiotics used in the study exhibited statistical significance (p = <0.05) in both concentrations tested (8 μg/ml and 16 μg/ml), and under aerobic and anaerobic conditions. The most prevalent resistant species identified by PCR in primary dentition infections were: Streptococcus oralis and Prevotella intermedia (75.0%); Treponema denticola and Porphyromonas gingivalis (48.3%); Streptococcus mutans (45.0%); Campylobacter rectus; and Streptococcus salivarius (40%). CONCLUSIONS This study demonstrated that A-CA exhibited the lowest bacterial resistance for clinical isolates in primary dentition infections.
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Affiliation(s)
- J P Loyola-Rodriguez
- Master's Degree in Dental Science Program with specialization in Advanced Education in General Dentistry, San Luis Potosi University, Mexico
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20
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Barber BR, Dziegielewski PT, Biron VL, Ma A, Seikaly H. Factors associated with severe deep neck space infections: targeting multiple fronts. J Otolaryngol Head Neck Surg 2014; 43:35. [PMID: 25230978 PMCID: PMC6389231 DOI: 10.1186/s40463-014-0035-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Accepted: 08/02/2014] [Indexed: 11/10/2022] Open
Abstract
Objectives To determine factors predictive of a severe deep neck space infection (DNSI), defined as those requiring surgery and/or postoperative intensive care unit (ICU) admission. To specifically examine dental practices and socioeconomic factors that may contribute to the development of a DNSI. Study design Retrospective review. Methods This study was conducted at 2 tertiary care academic referral centers from January 2007 to September 2011. The study was composed of 2 arms: a prospective questionnaire and data collection to identify modifiable risk factors such as dental practices and socioeconomic considerations for a DNSI, and a retrospective review of deep neck space infections to identify commonly associated risk factors predictive of a severe DNSI, requiring surgery and/or postoperative ICU admission. Results 233 patients were reviewed retrospectively and 25 patients prospectively. Patients with a low level of education (p = 0.03), those living greater than 1 hour from a tertiary care center (p = 0.002), those that have tonsils (p = 0.03), and those with Streptococcus infections (p = 0.03) have an increase risk of developing a severe DNSI. Patients that were smokers (p = 0.02) or had diabetes (p = 0.02), and those that presented with airway compromise (p = 0.03) were more likely to have a prolonged hospital stay. Conclusions Factors predictive of severe DNSIs are Streptococcus infections, the presence of tonsils, education level, and geographic location.
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Montagner F, Jacinto RC, Correa Signoretti FG, Scheffer de Mattos V, Grecca FS, Gomes BPFDA. Beta-lactamic resistance profiles in Porphyromonas, Prevotella, and Parvimonas species isolated from acute endodontic infections. J Endod 2013; 40:339-44. [PMID: 24565649 DOI: 10.1016/j.joen.2013.10.037] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2013] [Revised: 10/15/2013] [Accepted: 10/24/2013] [Indexed: 01/23/2023]
Abstract
INTRODUCTION Susceptibility to beta-lactamic agents has changed among anaerobic isolates from acute endodontic infections. The aim of the present study was to determine the prevalence of the cfxA/cfxA2 gene in Prevotella spp., Porphyromonas spp., and Parviomonas micra strains and show its phenotypic expression. METHODS Root canal samples from teeth with acute endodontic infections were collected and Porphyromonas, Prevotella, and Parvimonas micra strains were isolated and microbiologically identified with conventional culture techniques. The susceptibility of the isolates was determined by the minimum inhibitory concentration of benzylpenicillin, amoxicillin, and amoxicillin + clavulanate using the E-test method (AB BIODISK, Solna, Sweden). The presence of the cfxA/cfxA2 gene was determined through primer-specific polymerase chain reaction. The nitrocefin test was used to determine the expression of the lactamase enzyme. RESULTS Prevotella disiens, Prevotella oralis, Porphyromonas gingivalis, and P. micra strains were susceptible to benzylpenicillin, amoxicillin, and amoxicillin + clavulanate. The cfxA/cfxA2 gene was detected in 2 of 29 isolates (6.9%). Simultaneous detection of the cfxA/cfxA2 gene and lactamase production was observed for 1 Prevotella buccalis strain. The gene was in 1 P. micra strain but was not expressed. Three strains were positive for lactamase production, but the cfxA/cfxA2 gene was not detected through polymerase chain reaction. CONCLUSIONS There is a low prevalence of the cfxA/cfxA2 gene and its expression in Porphyromonas spp., Prevotella spp., and P. micra strains isolated from acute endodontic infections. Genetic and phenotypic screening must be performed simultaneously to best describe additional mechanisms involved in lactamic resistance for strict anaerobes.
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Affiliation(s)
- Francisco Montagner
- Endodontic Division, Department of Conservative Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.
| | - Rogério Castilho Jacinto
- Endodontic Division, Department of Semiology and Clinics, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | | | - Vanessa Scheffer de Mattos
- Endodontic Division, Department of Conservative Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Fabiana Soares Grecca
- Endodontic Division, Department of Conservative Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
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Detection of antibiotic resistance genes in samples from acute and chronic endodontic infections and after treatment. Arch Oral Biol 2013; 58:1123-8. [PMID: 23591127 DOI: 10.1016/j.archoralbio.2013.03.010] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2012] [Revised: 03/04/2013] [Accepted: 03/20/2013] [Indexed: 11/22/2022]
Abstract
OBJECTIVE The purpose of this study was twofold: survey samples from acute and chronic endodontic infections for the presence of genes encoding resistance to beta-lactams, tetracycline and erythromycin, and evaluate the ability of treatment to eliminate these genes from root canals. DESIGN DNA extracts from samples of abscess aspirates (n=25) and root canals of teeth with asymptomatic apical periodontitis (n=24) were used as template for direct detection of the genes blaTEM, cfxA, tetM, tetQ, tetW, and ermC using real-time polymerase chain reaction (PCR). Bacterial presence was determined using PCR with universal bacterial primers. Root canals of the asymptomatic cases were also sampled and evaluated after chemomechanical procedures using NiTi instruments with 2.5% NaOCl irrigation. RESULTS All abscess and initial root canal samples were positive for bacteria. At least one of the target resistance genes was found in 36% of the abscess samples and 67% of the asymptomatic cases. The most prevalent genes in abscesses were blaTEM (24%) and ermC (24%), while tetM (42%) and tetW (29%) prevailed in asymptomatic cases. The blaTEM gene was significantly associated with acute cases (p=0.02). Conversely, tetM was significantly more prevalent in asymptomatic cases (p=0.008). Treatment eliminated resistance genes from most cases. CONCLUSIONS Acute and chronic endodontic infections harboured resistance genes for 3 classes of widely used antibiotics. In most cases, treatment was effective in eliminating these genes, but there were a few cases in which they persisted. The implications of persistence are unknown. Direct detection of resistance genes in abscesses may be a potential method for rapid diagnosis and establishment of proactive antimicrobial therapy.
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Microbiota associated with infections of the jaws. Int J Dent 2012; 2012:369751. [PMID: 22829824 PMCID: PMC3399405 DOI: 10.1155/2012/369751] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2012] [Revised: 05/09/2012] [Accepted: 05/18/2012] [Indexed: 01/28/2023] Open
Abstract
The microbial infections involving the craniofacial skeleton, particularly maxilla and mandible, have direct relationship with the dental biofilm, with predominance of obligate anaerobes. In some patients, these infections may spread to bone marrow or facial soft tissues, producing severe and life-threatening septic conditions. In such cases, local treatment associated with systemic antimicrobials should be used in order to eradicate the sources of contamination. This paper discuss the possibility of spread of these infections and their clinical implications for dentistry, as well as their etiology and aspects related to microbial virulence and pathogenesis.
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