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Wang BY, Burgardt G, Parthasarathy K, Ho DK, Weltman RL, Tribble GD, Hong J, Cron S, Xie H. Influences of race/ethnicity in periodontal treatment response and bacterial distribution, a cohort pilot study. FRONTIERS IN ORAL HEALTH 2023; 4:1212728. [PMID: 37377523 PMCID: PMC10291508 DOI: 10.3389/froh.2023.1212728] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 05/29/2023] [Indexed: 06/29/2023] Open
Abstract
Objectives Periodontitis disproportionately affects different racial and ethnic populations. We have previously reported the higher levels of Porphyromonas gingivalis and lower ratios of Streptococcus cristatus to P. gingivalis may contribute to periodontal health disparities. This prospective cohort study was designed to investigate if ethnic/racial groups responded differently to non-surgical periodontal treatment and if the treatment outcomes correlated to the bacterial distribution in patients with periodontitis before treatment. Methods This prospective cohort pilot study was carried out in an academic setting, at the School of Dentistry, University of Texas Health Science Center at Houston. Dental plaque was collected from a total of 75 African Americans, Caucasians and Hispanics periodontitis patients in a 3-year period. Quantitation of P. gingivalis and S. cristatus was carried out using qPCR. Clinical parameters including probing depths and clinical attachment levels were determined before and after nonsurgical treatment. Data were analyzed using one-way ANOVA, the Kruskal-Wallis test, the paired samples t-test and the chi-square test. Results The gains in clinical attachment levels after treatment significantly differed amongst the 3 groups-Caucasians responded most favorably, followed by African-Americans, lastly Hispanics, while numbers of P. gingivalis were highest in Hispanics, followed by African-Americans, and lowest in Caucasians (p = 0.015). However, no statistical differences were found in the numbers of S. cristatus amongst the 3 groups. Conclusion Differential response to nonsurgical periodontal treatment and distribution of P. gingivalis are present in different ethnic/racial groups with periodontitis.
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Affiliation(s)
- Bing-Yan Wang
- School of Dentistry, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Grayson Burgardt
- School of Dentistry, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Kavitha Parthasarathy
- School of Dentistry, University of Texas Health Science Center at Houston, Houston, TX, United States
- Arthur A. Dugoni School of Dentistry, University of the Pacific, San Francisco, CA, United States
| | - Daniel K. Ho
- School of Dentistry, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Robin L. Weltman
- School of Dentistry, University of Texas Health Science Center at Houston, Houston, TX, United States
- Department of Clinical Sciences, University of Nevada, Las Vegas, NV, United States
| | - Gena D. Tribble
- School of Dentistry, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Jianming Hong
- School of Dentistry, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Stanley Cron
- School of Nursing, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Hua Xie
- School of Dentistry, Meharry Medical College, Nashville, TN, United States
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Alkimavičienė E, Pušinskaitė R, Basevičienė N, Banienė R, Savickienė N, Pacauskienė IM. Efficacy of Proanthocyanidins in Nonsurgical Periodontal Therapy. Int Dent J 2023; 73:195-204. [PMID: 36167610 PMCID: PMC10023589 DOI: 10.1016/j.identj.2022.08.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 06/25/2022] [Accepted: 08/16/2022] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND The aim of this work was to evaluate the efficacy of proanthocyanidins (PACNs) as an adjunctive periodontal therapy in patients with periodontitis. METHODS Patients with periodontitis (stage III-IV) were included in this randomised clinical study. Patients with periodontitis received 2 different treatment modalities: minimally invasive nonsurgical therapy only (MINST group) or minimally invasive nonsurgical therapy and subgingival application of collagen hydrogels with PACNs (MINST + PACNs group). Clinical periodontal parameters, that is, pocket probing depth (PPD), clinical attachment level (CAL), bleeding on probing (BOP), plaque index (PI), were evaluated before treatment and after 8 weeks. Concentrations of immunologic markers, matrix metalloproteinase-3 (MMP-3), and tissue inhibitor of matrix metalloproteinase-1 (TIMP-1) in saliva were assessed at baseline and at 8-week follow-up. RESULTS Forty-six patients diagnosed with periodontitis were randomised into 2 groups: 23 patients in the MINST group and 23 patients in the MINST + PACNs group received the intended treatment. PACNs combined with MINST resulted in additional statistically significant PPD reduction and CAL gain in moderate periodontal pockets by 0.5 mm (P < .05) on average compared to MINST alone. Additional use of PACNs did not result in additional statistically significant improvement of BOP or PI values. Application of PACNs showed significant reduction of MMP-3 levels in saliva after 8 weeks (P < .05). CONCLUSIONS Adjunctive use of PACNs in MINST resulted in better clinical outcomes for moderate pockets. Additional use of PACNs improved MMP-3 concentration in saliva more than MINST alone. Biochemical analysis revealed that MMP-3 concentration in saliva reflected the periodontal health state.
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Affiliation(s)
- Evelina Alkimavičienė
- Department of Dental and Oral Pathology, Lithuanian University of Health Sciences, Kaunas, Lithuania.
| | - Rasa Pušinskaitė
- Department of Dental and Oral Pathology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Nomeda Basevičienė
- Department of Dental and Oral Pathology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Rasa Banienė
- Department of Biochemistry, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Nijolė Savickienė
- Department of Pharmacognosy, Lithuanian University of Health Sciences, Kaunas, Lithuania
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Saleh A, Rincon J, Tan A, Firth M. Comparison of adjunctive azithromycin and amoxicillin/metronidazole for patients with chronic periodontitis: preliminary randomized control trial. Aust Dent J 2017; 61:469-481. [PMID: 26836781 DOI: 10.1111/adj.12415] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/27/2016] [Indexed: 01/07/2023]
Abstract
BACKGROUND There are insufficient guidelines for the use of adjunctive systemic antibiotics for patients with periodontal disease. The aim of this study was to compare clinical outcomes for patients with moderate-advanced chronic periodontitis treated with: scaling and root planing (SRP), SRP with amoxicillin and metronidazole (A+M), SRP with Azithromycin (Az). METHODS Thirty-seven non-smokers with generalized moderate to advanced chronic periodontitis were divided into three treatment groups: SRP, A+M and Az. Patients received the medications after the last SRP session and were reviewed three months later. Changes in clinical parameters were compared between the groups. Separate analyses were executed for: 'all sites', 'molar sites', 'sites with different PPD severities' and 'number of sites with shallow, moderate and deep PPD'. RESULTS The three groups exhibited improvements in most clinical parameters. At three months, A+M showed a higher reduction in PPD compared to Az in the 'all sites analysis'. Molars exhibited better reduction in BOP and PPD with A+M than SRP. Pocket depth of the 4-6 mm category reduced more in the A+M than SRP. A+M experienced a higher increase in the number of sites with PPD 1-3 mm than Az. CONCLUSIONS Adjunctive systemic antibiotics in the initial phase of treatment may result in improved clinical outcomes.
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Affiliation(s)
- A Saleh
- Oral Health Centre of Western Australia, Nedlands, Western Australia, Australia
| | - J Rincon
- Oral Health Centre of Western Australia, Australia
| | - A Tan
- Princess Margaret Hospital, Subiaco, Western Australia, Australia
| | - M Firth
- Centre for Applied Statistics, School of Mathematics and Statistics, The University of Western Australia, Western Australia, Australia
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Santos RS, Macedo RF, Souza EA, Soares RSC, Feitosa DS, Sarmento CFM. The use of systemic antibiotics in the treatment of refractory periodontitis: A systematic review. J Am Dent Assoc 2016; 147:577-85. [PMID: 27037225 DOI: 10.1016/j.adaj.2016.02.013] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Revised: 01/27/2016] [Accepted: 02/09/2016] [Indexed: 12/20/2022]
Abstract
BACKGROUND The goal in treating refractory periodontitis (RP) is to arrest or slow disease progression, which usually has included the use of systemic antibiotics adjunct to conventional mechanical debridement. The aim of this systematic review was to evaluate the evidence that the association of systemic antibiotics with conventional mechanical debridement increases the efficacy of periodontal therapy in the treatment of RP. TYPES OF STUDIES REVIEWED The authors searched for studies in PubMed MEDLINE, Cochrane Central Register of Controlled Trials, Thomson Reuters Web of Science, Scopus, Latin American and Caribbean Center on Health Sciences Information, and Scientific Electronic Library Online electronic databases by using selected key words from the earliest records up through October 31, 2014. Only clinical intervention studies in which investigators compared the treatment of participants with RP with either mechanical debridement alone or associated with systemic antibiotics were eligible for selection. Two authors independently assessed the risk of bias of each selected study. RESULTS The authors identified 13 articles and included 6 of them. Investigators in all studies reported greater reductions in probing depth or in loss of clinical attachment level after adjunct systemic antibiotic therapy when compared with mechanical debridement alone. Antibiotics tested included metronidazole, clindamycin, tetracycline hydrochloride, amoxicillin, and amoxicillin and potassium clavulanate. Five studies presented a high risk of bias, and 1 study presented an unclear risk. CONCLUSIONS AND PRACTICAL IMPLICATIONS The overall quality of the evidence does not allow the conclusion that adjunct systemic antibiotics are of additional benefit to conventional mechanical debridement alone.
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Vijayalashmi R, Ravindranath SM, Jayakumar ND, Padmalatha, Vargheese SH, Kumaraswamy KL. Kinetics of drug release from a biodegradable local drug delivery system and its effect on Porphyromonas gingivalis isolates: An in vitro study. J Indian Soc Periodontol 2013; 17:429-34. [PMID: 24174719 PMCID: PMC3800402 DOI: 10.4103/0972-124x.118311] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2011] [Accepted: 07/20/2013] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Conventional anti-microbial therapy largely consisted of systemic administration of various drugs effective against periodontal pathogens, but fraught with several problems. Based on the concept of local drug delivery a bioresorbable device made of pure fibrillar collagen has been developed. The aim of this study was to study the release of Tetracycline from this collagen fiber (Type I collagen) impregnated with Tetracycline and its antibacterial activity against Porphyromonas gingivalis. MATERIALS AND METHODS Porphyromonas gingivalis was isolated from plaque samples of chronic periodontitis patients by using a CO2 incubator. DNA isolation was done followed by polymerase chain reaction (PCR) amplification to confirm the presence of bacteria. The release pattern of Tetracycline was assessed for a period of 10 days in water (group I) and Serum inoculated with Porphyromonas gingivalis (group II). RESULTS A significant presence of Tetracycline on all days in Group I and group II and the zone of inhibition was also present in both groups with a steady decline from day 1 to day 10. CONCLUSION Since the results were well within the therapeutic concentration of drug required to inhibit the growth of gram -ve bacteria (Porphyromonas gingivalis), this bioresorbable Tetracycline fiber has the potential for clinical application.
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Affiliation(s)
| | | | | | - Padmalatha
- Department of Periodontics, Saveetha Dental College and Hospitals, Chennai, Tamil Nadu, India
| | - Sheeja H. Vargheese
- Department of Periodontics, Saveetha Dental College and Hospitals, Chennai, Tamil Nadu, India
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Patil V, Mali R, Mali A. Systemic anti-microbial agents used in periodontal therapy. J Indian Soc Periodontol 2013; 17:162-8. [PMID: 23869120 PMCID: PMC3713745 DOI: 10.4103/0972-124x.113063] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2011] [Accepted: 09/12/2012] [Indexed: 11/11/2022] Open
Abstract
Periodontitis is an infectious disease with marked inflammatory response, leading to destruction of underlying tissues. The aim of periodontal therapy is to eradicate the pathogens associated with the disease and attain periodontal health. This is achieved by non-surgical and surgical therapy; however, mechanical debridement and topical application of antiseptics may not be helpful in all cases. In such cases, adjunctive systemic antibiotic therapy remains the treatment of choice. It can reach micro-organisms at the base of the deep periodontal pockets and furcation areas via serum, and also affect organisms residing within gingival epithelium and connective tissue. Before advising any anti-microbial agent, it is necessary to have knowledge of that agent. The aim of this review article is to provide basic details of each systemic anti-microbial agent used in periodontal therapy. The points discussed are its mode of action, susceptible periodontal pathogens, dosage, its use in treatment of periodontal disease, and mechanism of bacterial resistance to each anti-microbial agent. It might be of some help while prescribing these drugs.
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Affiliation(s)
- Vishakha Patil
- Department of Periodontology. Bharati Vidyapeeth Deemed University Dental College and Hospital, Pune, Maharashtra, India
| | - Rohini Mali
- Department of Periodontology. Bharati Vidyapeeth Deemed University Dental College and Hospital, Pune, Maharashtra, India
| | - Amita Mali
- Department of Periodontology. Bharati Vidyapeeth Deemed University Dental College and Hospital, Pune, Maharashtra, India
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Greenstein G. Local Drug Delivery in the Treatment of Periodontal Diseases: Assessing the Clinical Significance of the Results. J Periodontol 2006; 77:565-78. [PMID: 16584336 DOI: 10.1902/jop.2006.050140] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Local drug delivery can be used in the management of periodontal patients. However, statistically significant responses to therapy recorded in clinical trials may not be clinically significant. METHODS Controlled clinical trials were selected that assessed the capability of local drug delivery to improve periodontal health. RESULTS Several local drug delivery systems employed as monotherapies improved periodontal health and provided results that were not statistically significantly different than attained with scaling and root planing (SRP) alone. In contrast, many local drug delivery devices when used as adjuncts to SRP provided a statistically significant enhancement of parameters commonly used to monitor periodontal status. However, mean improvements with respect to probing depth reduction or gain of clinical attachment were often limited to tenths of millimeters. Several devices also achieved specific criteria that can be used to identify clinically significant findings (e.g., number of sites with probing depth reduction >or=2 mm). However, there are conflicting data with respect to the ability of local drug delivery to enhance results of SRP at deep probing sites, and there is limited information relative to its capability to inhibit disease progression or enhance osseous repair in infrabony defects. CONCLUSION The decision to use local drug delivery during active treatment or maintenance should be based upon clinical findings, responses to therapy recorded in the literature, desired clinical outcomes, and the patient's dental and medical history.
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Affiliation(s)
- Gary Greenstein
- Department of Periodontology, University of Medicine and Dentistry of New Jersey, Newark, NJ, USA.
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Mascarenhas P, Gapski R, Al-Shammari K, Hill R, Soehren S, Fenno JC, Giannobile WV, Wang HL. Clinical Response of Azithromycin as an Adjunct to Non-Surgical Periodontal Therapy in Smokers. J Periodontol 2005; 76:426-36. [PMID: 15857078 DOI: 10.1902/jop.2005.76.3.426] [Citation(s) in RCA: 85] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
BACKGROUND Antibiotic therapy can be used in very specific periodontal treatment situations such as in refractory cases of periodontal disease found to be more prevalent in smokers. This study was designed to determine the efficacy of azithromycin (AZM) when combined with scaling and root planing (SRP) for the treatment of moderate to severe chronic periodontitis in smokers. METHODS Thirty-one subjects were enrolled into a 6-month randomized, single-masked trial to evaluate clinical, microbial (using benzoyl- DL-arginine naphthylamine [BANA] assay), and gingival crevicular fluid (GCF) pyridinoline cross-linked carboxyterminal telopeptide of type I collagen (ICTP) levels in response to SRP alone or SRP + AZM. At baseline, patients who smoked > or =1 pack per day of cigarettes who presented with at least five sites with probing depths (PD) of > or =5 mm with bleeding on probing (BOP) were randomized into the test or control groups. At baseline and 3 and 6 months, clinical measurements (probing depth [PD], clinical attachment loss [CAL], and bleeding on probing [BOP]) were performed. GCF bone marker assessment (Ctelopeptide [ICTP] as well as BANA test analyses) were performed at baseline, 14 days, and 3 and 6 months. RESULTS The results demonstrated that both groups displayed clinical improvements in PD and CAL that were sustained for 6 months. Using a subject-based analysis, patients treated with SRP + AZM showed enhanced reductions in PD and gains in CAL at moderate (4 to 6 mm) and deep sites (>6 mm) (P <0.05). Furthermore, SRP + AZM resulted in greater reductions in BANA levels compared to SRP alone (P <0.05) while rebounds in BANA levels were noted in control group at the 6-month evaluation. No statistically significant differences between groups on mean BOP and ICTP levels during the course of the study were noted. CONCLUSIONS The utilization of AZM in combination with SRP improves the efficacy of non-surgical periodontal therapy in reducing probing depth and improving attachment levels in smokers with moderate to advanced attachment loss.
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Affiliation(s)
- Paulo Mascarenhas
- Department of Periodontics/Prevention/Geriatrics, School of Dentistry, University of Michigan, Ann Arbor, MI 48109-1078, USA
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Maeda R, Ishihara K, Hosaka Y, Nakagawa T. Antibacterial Activity of Antibiotics against Periodontopathic Bacteria. ACTA ACUST UNITED AC 2005. [DOI: 10.2329/perio.47.146] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Affiliation(s)
- Noel Claffey
- Dublin Dental School and Hospital, Trinity College, Ireland
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11
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Affiliation(s)
- Clay B Walker
- Periodontal Disease Researach Clinics, University of Florida, Gainesville, U.S.A
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12
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Herrera D, Sanz M, Jepsen S, Needleman I, Roldán S. A systematic review on the effect of systemic antimicrobials as an adjunct to scaling and root planing in periodontitis patients. J Clin Periodontol 2003; 29 Suppl 3:136-59; discussion 160-2. [PMID: 12787214 DOI: 10.1034/j.1600-051x.29.s3.8.x] [Citation(s) in RCA: 267] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
BACKGROUND Scaling and root planing (SRP) are the bases of non-surgical therapy in the treatment of periodontitis. However, results from this therapy are often unpredictable and dependable from many different factors. OBJECTIVES The aim of this systematic review was to evaluate the effectiveness of the adjunctive use of systemic antimicrobials with scaling and root planing (SRP) vs. SRP alone in the treatment of chronic (CP) or aggressive periodontitis (AgP). SEARCH STRATEGY Use of computerized databases, namely MEDLINE, the Cochrane Oral Health Group Specialty Trials Register and EMBASE; reference lists from relevant articles were hand-searched; and a hand-search of selected journals until April 2001. SELECTION CRITERIA Studies were selected if they were designed as controlled clinical trials in which systemically healthy patients with either AgP or CP were treated with SRP plus systemic antimicrobials in comparison with SRP alone or with placebo, for a minimum of 6 months. Main outcome measures were clinical attachment level (CAL) change and probing pocket depth (PPD) change. DATA COLLECTION AND ANALYSIS Two reviewers extracted independently information regarding quality and study characteristics, in duplicate. Kappa scores determined their agreement. Main results were collected and grouped by drug, disease and PPD category. For the quantitative data synthesis, the data was pooled (when mean differences and standard errors were available), and either a Fixed Effects or Random Effects meta-analysis was used for the analysis. RESULTS After an initial selection, 158 papers were identified by the manual and electronic searches; 25 papers were eligible for inclusion. Their quality assessment showed that randomization and allocation concealment methods were seldom reported and blindness was usually not defined clearly. In general, selected studies showed high variability and lack of relevant information for an adequate assessment. Overall, SRP plus systemic antimicrobial groups demonstrated better results in CAL and PPD change than SRP alone or with placebo groups. Only limited meta-analyses could be performed, due to the difficulties in pooling the studies and the lack of appropriate data. This analysis showed a statistically significant additional benefit for spiramycin (PPD change) and amoxicillin/metronidazole (CAL change) in deep pockets. CONCLUSION Systemic antimicrobials in conjunction with SRP, can offer an additional benefit over SRP alone in the treatment of periodontitis, in terms of CAL and PPD change, and reduced risk of additional CAL loss. However, differences in study methodology and lack of data precluded an adequate and complete pooling of data for a more comprehensive analyses. It was difficult to establish definitive conclusions, although patients with deep pockets, progressive or 'active' disease, or specific microbiological profile, can benefit more from this adjunctive therapy.
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Abstract
The purpose of this review is to provide the clinician with some practical rationale for the selection and use of antibiotics in the treatment of destructive periodontal diseases. We have attempted to integrate approximately 20 years of periodontal literature describing antibiotic therapy with personal experience and 21st century ideas. This article addresses antibiotic use during treatment of aggressive periodontitis with emphasis on juvenile disease and adult refractory diseases. The literature review revealed few large, controlled studies that compared efficacy of adjunctive antibiotic use to mechanical therapy alone. Even fewer studies evaluated the efficacy of one antibiotic relative to another. However, based on the evidence available, certain conclusions were drawn. Adjunctive use of an antibiotic along with mechanical debridement is recommended for the treatment of Actinobacillus actinomycetemcomitans-associated periodontitis as an acceptable therapeutic regimen. Due to the emergence of tetracycline-resistant A. actinomycetemcomitans, the combination of metronidazole and amoxicillin may be preferable. In aggressive refractory periodontitis, compelling evidence exists that the use of an appropriate adjunctive antibiotic frequently gives a more favorable clinical response than mechanical therapy alone. Unfortunately, the selection of antibiotic is not as clear and is probably case-dependent. Positive responses have been reported with amoxicillin/clavulanic acid, clindamycin, metronidazole, and the combination therapy metronidazole plus amoxicillin. The introduction of local delivery antibiotics specifically for the treatment of periodontitis offers a novel concept for the treatment of localized disease. The latter, in particular, may prove useful in the treatment of recurrent disease activity or where only a few individual sites are involved.
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Affiliation(s)
- Clay Walker
- Department of Oral Biology, University of Florida, Gainesville 32610, USA.
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Abstract
Regular home care by the patient in addition to professional removal of subgingival plaque is generally very effective in controlling most inflammatory periodontal diseases. When disease does recur, despite frequent recall, it can usually be attributed to lack of sufficient supragingival and subgingival plaque control or to other risk factors that influence host response, such as diabetes or smoking. Causative factors contributing to recurrent disease include deep inaccessible pockets, overhangs, poor crown margins and plaque-retentive calculus. In most cases, simply performing a thorough periodontal debridement under local anesthesia will stop disease progression and result in improvement in the clinical signs and symptoms of active disease. If however, clinical signs of disease activity persist following thorough mechanical therapy, such as increased pocket depths, loss of attachment and bleeding on probing, other pharmacotherapeutic therapies should be considered. Augmenting scaling and root planing or maintenance visits with adjunctive chemotherapeutic agents for controlling plaque and gingivitis could be as simple as placing the patient on an antimicrobial mouthrinse and/or toothpaste with agents such as fluorides, chlorhexidine or triclosan, to name a few. Since supragingival plaque reappears within hours or days after its removal, it is important that patients have access to effective alternative chemotherapeutic products that could help them achieve adequate supragingival plaque control. Recent studies, for example, have documented the positive effect of triclosan toothpaste on the long-term maintenance of both gingivitis and periodontitis patients. Daily irrigation with a powered irrigation device, with or without an antimicrobial agent, is also useful for decreasing the inflammation associated with gingivitis and periodontitis. Clinically significant changes in probing depths and attachment levels are not usually expected with irrigation alone. Recent reports, however, would indicate that, when daily irrigation with water was added to a regular oral hygiene home regimen, a significant reduction in probing depth, bleeding on probing and Gingival Index was observed. A significant reduction in cytokine levels (interleukin-1beta and prostaglandin E2, which are associated with destructive changes in inflamed tissues and bone resorption also occurs. If patient-applied antimicrobial therapy is insufficient in preventing, arresting, or reversing the disease progression, then professionally applied antimicrobial agents should be considered including sustained local drug delivery products. Other, more broadly based pharmacotherapeutic agents may be indicated for multiple failing sites. Such agents would include systemic antibiotics or host modulating drugs used in conjunction with periodontal debridement. More aggressive types of juvenile periodontitis or severe rapidly advancing adult periodontitis usually require a combination of surgical intervention in conjunction with systemic antibiotics and generally are not controlled with nonsurgical anti-infective therapy alone. It should be noted, however, that, to date, no home care products or devices currently available can completely control or eliminate the pathogenic plaques associated with periodontal diseases for extended periods of time. Daily home care and frequent recall are still paramount for long-term success. Nonsurgical therapy remains the cornerstone of periodontal treatment. Attention to detail, patient compliance and proper selection of adjunctive antimicrobial agents for sustained plaque control are important elements in achieving successful long-term results. Frequent re-evaluation and careful monitoring allows the practitioner the opportunity to intervene early in the disease state, to reverse or arrest the progression of periodontal disease with meticulous nonsurgical anti-infective therapy.
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Affiliation(s)
- C H Drisko
- Department of Periodontics, Endodontics and Dental Hygiene, Office of Dental Research, School of Dentistry, University of Louisville, Louisville, KY, USA
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15
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Abstract
There is a preponderance of evidence in the literature that periodontal and other oral diseases, such as caries, can be treated and controlled by thorough mechanical plaque removal by the patient, the use of antimicrobial agents and antibiotics when necessary, and participation with the therapist in a well monitored, long-range program of supportive periodontal therapy. Recent evidence suggests that the control and prevention of oral disease, especially periodontitis, is especially important for patients with various systemic conditions that can be impacted by oral infections. It is far better for patients and therapists to practice primary and even secondary prevention with effective plaque control and regular, consistent supportive periodontal therapy, than having to rely on tertiary prevention for disease that has progressed to a level that requires costly treatment, is time-consuming and carries a greater risk of morbidity.
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Affiliation(s)
- E B Hancock
- Department of Periodontics and Allied Dental Programs, Indiana University School of Dentistry, Indianapolis, IN, USA
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Serino G, Rosling B, Ramberg P, Hellström MK, Socransky SS, Lindhe J. The effect of systemic antibiotics in the treatment of patients with recurrent periodontitis. J Clin Periodontol 2002; 28:411-8. [PMID: 11350503 DOI: 10.1034/j.1600-051x.2001.028005411.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND Subjects with periodontal disease exist who either (i) respond poorly to initial mechanical therapy ("refractory" periodontitis) or (ii) fail to adopt adequate self-performed plaque control techniques and hence develop recurrent disease ("recurrent" periodontitis) at multiple sites during the supportive treatment phase (SPT). Various systemic antibiotic regimens have been tried as adjuncts to the mechanical (re-) treatment of such "difficult to treat"-patients. While most studies indicated a positive outcome of the adjunctive therapy, some clinical investigators reported that this additional measure provided little or no benefit. AIM The aim of the present investigation was to study the more long term effect of adjunctive antibiotic therapy in the re-treatment of patients with a well defined history of recurrent periodontitis. MATERIAL AND METHODS 17 subjects with recurrent advanced periodontal disease were, following a baseline examination, subjected to non-surgical therapy including the use of systemic antibiotics (amoxicillin and metronidazole). They were placed in a careful SPT program and re-examined after 1, 3 and 5 years. The examinations included both clinical and microbiological assessments. RESULTS It was demonstrated that in subjects with advanced and recurrent periodontitis, re-treatment including (i) comprehensive scaling and root planing (SRP), (ii) systemic administration of antibiotics and (iii) meticulous supragingival plaque control by both mechanical and chemical means established periodontal conditions that in the short term (3 years) and in the majority of subjects could be properly maintained by traditional SPT measures. Between 3 and 5 years, however, only 5 of the 17 subjects exhibited stable periodontal attachment levels. CONCLUSIONS Some deep pockets and furcations were most likely inadequately instrumented during the active treatment phase. Microorganisms residing in biofilms left in such locations were probably not sufficiently affected by the 2 weeks of adjunctive antibiotic therapy. It is suggested that removal of certain subgingival deposits, therefore, may require surgical intervention.
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Affiliation(s)
- G Serino
- Department of Periodontology, Institute of Odontology, Göteborg University, Sweden
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17
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Abstract
The inflammatory components of plaque induced gingivitis and chronic periodontitis can be managed effectively for the majority of patients with a plaque control program and non-surgical and/or surgical root debridement coupled with continued periodontal maintenance procedures. Some patients may need additional therapeutic procedures. All of the therapeutic modalities reviewed in this position paper may be utilized by the clinician at various times over the long-term management of the patient's periodontal condition.
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Purucker P, Mertes H, Goodson JM, Bernimoulin JP. Local versus systemic adjunctive antibiotic therapy in 28 patients with generalized aggressive periodontitis. J Periodontol 2001; 72:1241-5. [PMID: 11577957 DOI: 10.1902/jop.2000.72.9.1241] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Although the use of systemic antibiotics has been studied in patients with generalized aggressive periodontitis (formerly rapidly progressive periodontitis), the use of adjunctive tetracycline fibers in these patients has not been reported. The purpose of the present study was to compare the clinical response of local versus systemic antibiotic treatment as adjuncts to scaling and root planing in patients with GAgP. METHODS After initial therapy and full-mouth scaling and root planing (SRP), 30 patients were randomly assigned to 1 of 2 antibiotic treatment groups. Probing depth (PD), clinical attachment level (CAL), and bleeding on probing (BOP) were recorded with an automated probe prior to SRP at baseline (BL) and 15, 30, 41, and 54 weeks later. Three months after SRP, the patients were treated with amoxicillin/clavulanic acid (500 mg tid; SRP + AUG group) or with local tetracycline fiber in pockets with PD > or =5 mm (SRP + TCF group). RESULTS In both treatment groups, PD decreased significantly from BL to week 54 (6.2+/-1.5 mm to 4.7+/-1.4 mm for SRP + TCF and 6.5+/-1.4 mm to 4.2+/-0.6 mm for SRP + AUG). However, there was no statistically significant difference between the 2 groups in pocket reduction. Similarly, in both treatment groups, there were small but significant gains in CAL from BL to week 54 (12.0+/-1.8 mm to 11.3+/-1.8 mm for SRP + TCF and 12.3+/-1.5 mm to 11.2+/-1.2 mm for SRP + AUG). The difference in CAL gain between the 2 groups was not statistically significant. At the final examination, both groups showed significant PD reduction and CAL gain (P <0.001) compared to BL. The frequency and percentage of bleeding sites decreased significantly in both groups. At week 54, this decrease was significantly greater in the SRP + AUG group (31.67% for SRP + TCF versus 3.85% for SRP + AUG). CONCLUSIONS These results indicate that the local delivery of tetracycline by a fiber or the systemic administration of amoxicillin/clavulanic acid given 3 months after scaling and root planing produced similar clinical outcomes over the 9-month observation period.
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Affiliation(s)
- P Purucker
- Department of Periodontology and Synoptic Dentistry, University Hospital Charité, Humboldt-University at Berlin, Germany.
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19
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Sigusch B, Beier M, Klinger G, Pfister W, Glockmann E. A 2-step non-surgical procedure and systemic antibiotics in the treatment of rapidly progressive periodontitis. J Periodontol 2001; 72:275-83. [PMID: 11327054 DOI: 10.1902/jop.2001.72.3.275] [Citation(s) in RCA: 83] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND In the last few years knowledge about periodontal infections has increased enormously, nevertheless practitioners are still seeking guidelines for suitable treatment concepts. METHODS The aim of this study was to examine the effect of doxycycline, metronidazole, and clindamycin used adjunctively in a 2-step nonsurgical procedure in patients with rapidly progressive periodontitis (RPP). The first step included scaling, root planing, and polishing (SRP) in each quadrant using 4 to 5 visits. The second step included full-mouth enhanced root planing (RP) and wound dressing in 1 or 2 visits after SRP and the beginning of antibiotic therapy. Forty-eight patients (mean age 32.4 years) with generalized RPP, with an average of 16 sites with probing depths (PD) deeper than 8 mm, and high counts of Porphyromonas gingivalis were randomly assigned to 4 different groups: group 1 (doxycycline) n = 12, group 2 (metronidazole) n = 15, group 3 (clindamycin) n = 11, and group 4 (control group; no antibiotic treatment) n = 10. Clinical evaluations, including plaque index (PI), sulcus bleeding index (SBI), probing depth (PD), clinical attachment level (CAL), and bacteriological and crevicular cell sampling, were done at baseline (BL), 3 weeks after SRP, and 6 and 24 months after RP. RESULTS After the first step (SRP), we observed an improvement of PI and SBI in all 4 groups, but did not see any statistically significant PD reduction 3 weeks after SRP compared to baseline. However, 6 and 24 months after the second step (RP) we observed a significantly greater reduction of PD in groups 2 and 3 and a significantly greater CAL gain in comparison to groups 1 and 4. After 24 months, the attachment level gain in group 1 and group 4 was less than 1.5 mm, and less than 1.0 mm in PD site categories 6 to 9 mm and >9 mm. PI showed no significant difference between the groups throughout the period after SRP until 24 months, compared to 3 weeks after SRP. SBI decreased most in the metronidazole and clindamycin groups. P. gingivalis and Actinobacillus actinomycetemcomitans were almost completely eradicated in these 2 groups 24 months after RP. In addition, the phagocytotic capacity of crevicular polymorphonuclear neutrophils was increased in groups 2 and 3 after the second step. CONCLUSIONS The present results show that metronidazole and clindamycin are effective antibiotics when used adjunctively in a 2-step nonsurgical procedure of scaling and root planing in RPP patients.
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Affiliation(s)
- B Sigusch
- Department of Periodontology, Conservative Dentistry, Friedrich Schiller University of Jena, Germany
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20
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Abstract
BACKGROUND This article addresses the advantages and limitations of nonsurgical periodontal therapies to treat patients with mild-to-moderate chronic periodontitis. TYPES OF STUDIES REVIEWED Controlled clinical trials were selected that assessed the efficacy of the following treatment methods: mechanical instrumentation, ultrasonic débridement, supragingival irrigation, subgingival irrigation, local drug delivery, administration of systemic antibiotics and host-response modulation. Evidently, data with regard to alterations of probing depth, clinical attachment levels and inflammatory status were evaluated. RESULTS Comparison of the data from test and control groups revealed the following results. Manual and ultrasonic débridement can be used to treat most patients with mild-to-moderate chronic periodontitis. Patients who do not practice optimal plaque control can enhance their personal hygiene procedures by using supragingival irrigation. Subgingival irrigation usually does not provide any benefit beyond that achieved with root planing. Systemic and locally delivered antimicrobial agents appear to be most beneficial among patients who do not respond to conventional treatment. Host modulation may enhance root planing modestly. CLINICAL IMPLICATIONS The data indicate that most patients with mild-to-moderate periodontitis can be treated with nonsurgical therapies. However, clinicians need to be aware of the limitations of each technique with regard to the magnitude of improvement that it can induce at specific sites.
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Affiliation(s)
- G Greenstein
- Department of Periodontology, University of Medicine and Dentistry, Newark, N.J., USA
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21
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Feres M, Haffajee AD, Goncalves C, Allard KA, Som S, Smith C, Goodson JM, Socransky SS. Systemic doxycycline administration in the treatment of periodontal infections (I). Effect on the subgingival microbiota. J Clin Periodontol 1999; 26:775-83. [PMID: 10599904 DOI: 10.1111/j.1600-051x.1999.tb02520.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Systemic doxycycline is one of the more common antimicrobial agents used in the treatment of periodontal infections and yet little is known of its effect on subgingival plaque composition during and after its administration. The purpose of the present investigation was to evaluate changes in subgingival plaque composition during and after 14 days of doxycycline administration. 20 subjects with adult periodontitis were randomly assigned to test (n = 10) and control (n = 10) groups. The subjects received full mouth clinical assessment of pocket depth, attachment level, BOP, gingival redness, suppuration and plaque accumulation at baseline and 90 days. All subjects received full mouth SRP at baseline and, additionally, the test group received 100 mg doxycycline daily for 14 days. Subgingival plaque samples were taken from the mesial surface of up to 28 teeth in each subject at baseline and 90 days. In addition, plaque samples were taken from 2 randomly selected teeth at 3, 7 and 14 days during and after antibiotic administration. Control subjects were sampled at the same time points. Counts of 40 subgingival species were determined using checkerboard DNA-DNA hybridization and fluorescent detection. Significance of differences between test and control groups was determined at each time point using the Mann Whitney test. Significance of changes over time within test and control groups was determined using the Quade test. A modest but significant reduction in mean pocket depth from baseline to 90 days occurred in both test and control groups. A significant decrease in the % of sites with gingival redness occurred in the test group. There were no significant differences in proportions between test and control groups for 33 of the test species at any time point. Test subjects exhibited lower proportions of 4 Actinomyces species and an increase in 3 Streptococcus species during antibiotic administration. After cessation of doxycycline, Actinomyces sp. increased while Streptococcus sp. returned to baseline proportions. The relationship between these 2 genera appeared to be reciprocal; an increase in one was accompanied by a decrease in the other. Periodontal pathogens including B. forsythus, P. gingivalis, T. denticola and A. actinomycetemcomitans were not significantly altered by oral administration of doxycycline using conventional therapeutic dosage.
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Affiliation(s)
- M Feres
- Department of Periodontology, Forsyth Dental Center, Boston, MA, USA
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22
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Greenstein G. Povidone-iodine's effects and role in the management of periodontal diseases: a review. J Periodontol 1999; 70:1397-405. [PMID: 10588505 DOI: 10.1902/jop.1999.70.11.1397] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
This review article addresses the effects of povidone-iodine (PVP-I) and its utility in the treatment of periodontal diseases. There are data to support the following statements: PVP-I is a potent antiseptic and, when used as a component in a rinse with H202, the rinse can decrease the level of gingivitis. With regards to patients with adult periodontitis, there is some evidence to indicate that PVP-I delivered via an ultrasonic device achieves better results in deep pockets than ultrasonic debridement when water is the irrigant. The benefits of PVP-I in the treatment of refractory periodontitis are unclear. Subgingival irrigation with PVP-I may reduce the incidence of bacteremia if it is employed as a pre-procedural intrasulcular irrigant; however, this technique is not recommended for high-risk patients. PVP-I is a safe antiseptic and does not appear to impede wound healing or induce resistant bacteria. It is an approved drug whose intraoral use is an unlabeled indication. In conclusion, the literature suggests that utilization of PVP-I is potentially beneficial in the management of some periodontal diseases. However, additional clinical trials are needed to verify this assessment, since it is based upon a limited number of studies.
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Affiliation(s)
- G Greenstein
- University of Medicine and Dentistry of New Jersey, Newark, USA
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23
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López NJ, Gamonal JA. Effects of metronidazole plus amoxicillin in progressive untreated adult periodontitis: results of a single 1-week course after 2 and 4 months. J Periodontol 1998; 69:1291-8. [PMID: 9848540 DOI: 10.1902/jop.1998.69.11.1291] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
A randomized, double-blind, clinical study was done to assess the microbiological and clinical effects of metronidazole plus amoxicillin (M+A) as the only therapy in 46 patients with moderate to advanced progressive adult periodontitis. Patients were included in the study after at least 2 sites showed > or =2 mm clinical attachment loss. Bleeding on probing, probing depth, and clinical attachment level were measured using on automated probe. The percentage of surfaces with plaque was recorded at day 0, and at 2 and 4 months after therapy. No effort was made to change the oral hygiene habits of patients. Identification of Actinobacillus actinomycetemcomitans, Porphyromonas gingivalis, and Prevotella intermedia was assessed utilizing DNA technology at day 0 and 2 months after therapy. Twenty-three patients received metronidazole 250 mg plus amoxicillin 500 mg, 3 times/day for a week and 23 a placebo. Two patients in the placebo group were dropped at 2 months because they had taken antibiotics for medical reasons. Statistical analyses of differences between groups was done using the Mann-Whitney test, and the differences within each group were tested with ANOVA. There were no significant changes in surfaces with plaque in either group after therapy. The percentage of bleeding sites decreased significantly from baseline to 2 and 4 months in the M+A group (P = 0.001), and increased in the placebo group. Differences in bleeding on probing between groups were significant at 2 (P = 0.018), and 4 months (P = 0.005). The mean attachment level values at 2 and 4 months post-therapy improved significantly in the M+A group compared to the placebo group (P = 0.001). Treatment with M+A resulted in a significant mean reduction in probing depth at 2 and 4 months compared to baseline values (P = 0.001). The M+A group showed a significant reduction of sites with high levels of Pg (P = 0.001) at 2 months compared with baseline values, and there was a significant reduction of sites with Pg and Pi in the M+A group compared with the placebo group. The results showed that a combined M+A treatment as the only therapy changes the proportion of some subgingival microorganisms and allows a significant improvement in clinical conditions.
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Affiliation(s)
- N J López
- Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Santiago.
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24
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Colombo AP, Sakellari D, Haffajee AD, Tanner A, Cugini MA, Socransky SS. Serum antibodies reacting with subgingival species in refractory periodontitis subjects. J Clin Periodontol 1998; 25:596-604. [PMID: 9696261 DOI: 10.1111/j.1600-051x.1998.tb02493.x] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The purpose of this investigation was to compare the levels of serum IgG antibody to 85 subgingival species in 32 refractory periodontitis, 56 successfully treated, and 33 periodontally healthy subjects. Refractory subjects showed mean full mouth attachment loss and/or >3 sites showing attachment loss >2.5 mm within 1 year after 2 treatment modalities, scaling and root planing and surgery plus systemically administered tetracycline. Successfully-treated subjects showed mean attachment level gain and no sites with attachment loss >2.5 mm, 1 year post-therapy. Periodontally healthy subjects exhibited no pocket or attachment level >3 mm, and no evidence of progressing attachment loss during 1 year of monitoring. Baseline serum was obtained from each subject and tested against 85 subgingival species, including reference strains and strains isolated from refractory subjects, using checkerboard immunoblotting. Significance of differences in levels of serum antibody among groups were sought using the Kruskal-Wallis test. Refractory subjects constituted a heterogeneous group based on their serum antibody response to subgingival species. Some individuals had antibody reactions to many subgingival species, while other subjects showed fewer or low numbers of responses. On average, refractory subjects exhibited higher numbers and levels of serum antibody reactions to a wide range of subgingival species than successfully treated or periodontally healthy subjects. Differences in serum antibody among clinical groups were more striking at higher threshold levels of antibody (>50 microg/ml and > 100 microg/ml). The data showed that a subject was 10.1 x more likely to be refractory if the subject exhibited antibody reactions with >9 subgingival species at >50 microg/ml (p<0.001, after adjusting for multiple comparisons). Serum antibody to a subset of the test species differed among the clinical groups. Porphyromonas gingivalis, Bacteroidesforsythus, and some strains isolated from refractory subjects (a novel Neisseria sp., Enterococcus faecalis, Prevotella loescheii and Prevotella oulora) elicited high serum antibody in the successfully treated and refractory subjects. High levels of serum antibody to a Microbacterium lacticum-like organism, Streptococcus oralis, Streptococcus constellatus, Actinobacillus actinonmycetemcomitans serotype c and Haemophilus aphrophilus significantly increased the likelihood of a subject being refractory to conventional periodontal therapy.
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Affiliation(s)
- A P Colombo
- Department of Periodontology, Forsyth Dental Center, Boston, MA, USA
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25
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Abstract
Recently periodontal treatments have been performed intensively in daily clinical work and the definitive approach to periodontal therapy has been established in various types of periodontal diseases. It is no exaggeration to say that this is impossible without the co-operation of the dental industry. Furthermore, industry has also contributed greatly to the improvement of the 'quality of life', concerning masticatory function in the elderly. Both the progression of dental devices and the development of diagnostic methods have been considered to be the primary prerequisite for success in treatment and in the prevention of recurrence of the periodontal diseases. It is necessary that dental devices and medications for treatment should be developed corresponding to the advanced scientific evaluation of periodontal disease. This paper reviews our present knowledge about the role or contribution of industry to periodontology in terms of periodontal health care products, diagnostic kits, and therapeutic drugs.
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Affiliation(s)
- I Ishikawa
- Department of Periodontology, Faculty of Dentistry, Tokyo Medical and Dental University, Japan
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26
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Greenstein G, Polson A. The role of local drug delivery in the management of periodontal diseases: a comprehensive review. J Periodontol 1998; 69:507-20. [PMID: 9623893 DOI: 10.1902/jop.1998.69.5.507] [Citation(s) in RCA: 174] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
This review article evaluates the role of local drug delivery systems in the management of periodontal diseases. The efficacy of several local delivery devices (i.e., tetracycline fibers, metronidazole and minocycline gels, chlorhexidine chips, and doxycycline polymer) which are either commercially available in the United States or abroad, or are currently under consideration for Food and Drug Administration (FDA) approval are discussed. The drug delivery systems are assessed with regard to their functional characteristics, effectiveness as a monotherapy, as compared to scaling and root planing, and ability to enhance conventional therapy. Furthermore, controversies associated with local delivery are addressed (e.g., induction of bacterial resistant strains, the efficacy of systemic versus local drug delivery, and whether local drug delivery should function as an alternative or as an adjunct to conventional treatment).
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Affiliation(s)
- G Greenstein
- Department of Periodontology, University of Medicine and Dentistry, Newark, NJ, USA
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27
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Tenenbaum H, Jehl F, Gallion C, Dahan M. Amoxicillin and clavulanic acid concentrations in gingival crevicular fluid. J Clin Periodontol 1997; 24:804-7. [PMID: 9402501 DOI: 10.1111/j.1600-051x.1997.tb01193.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The beta-lactams are bactericidal antibiotics, but some of them may be inactivated by bacterial beta-lactamases which destroy the beta-lactam ring. The inactivation of amoxicillin by beta-lactamases of gram negative anaerobic bacteria can be circumvented by the addition of clavulanic acid, a beta-lactamases inhibitor. Thus, most of these bacteria are susceptible to this combination. The aim of this study was to investigate the concentrations of amoxicillin and clavulanic acid in gingival crevicular fluid (GCF). These concentrations were measured in 20 patients with rapidly progressive periodontitis 1 h after a dose of 500 mg (1 tablet Augmentin) on day 0 and 1 h after the 10th intake on day 3. For the sampling of GCF, Periopapers were introduced in 16 gingival sites per subject and time. The GCF volumes collected were estimated using the Periotron 6000. A high performance liquid chromatography method has been developed for the determination of amoxicillin and clavulanic acid in microsamples (1 to 10 microliters) of GCF. The concentrations of amoxicillin and clavulanic acid were respectively, 14.05 micrograms ml-1 and 0.40 microgram ml-1 at day 0, 13.93 micrograms ml-1 and 0.37 microgram ml-1 at day 3. Effective levels of amoxicillin and clavulanic acid, well above the minimal inhibitory concentrations of some susceptible periodontal anaerobes (P. intermedia) involved in destructive periodontal diseases, are achieved following the multiple administration of amoxicillin combined with clavulanic acid.
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Affiliation(s)
- H Tenenbaum
- Department of Periodontology, Dental Faculty, University Louis Pasteur, Strasbourg, France
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28
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van Winkelhoff AJ, Winkel EG, Barendregt D, Dellemijn-Kippuw N, Stijne A, van der Velden U. beta-Lactamase producing bacteria in adult periodontitis. J Clin Periodontol 1997; 24:538-43. [PMID: 9266340 DOI: 10.1111/j.1600-051x.1997.tb00226.x] [Citation(s) in RCA: 60] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
In 23 untreated adult periodontitis patients, the occurrence of beta-lactamase producing periodontal bacteria was determined. In addition to non-selective isolation media, selective isolation and growth of beta-lactamase positive subgingival bacterial species was carried out on blood agar plates supplemented with amoxicillin and plates with amoxicillin+clavulanic acid. Porphyromonas gingivalis, Prevotella intermedia, Actinobacillus actinomycetemcomitans, Peptostreptococcus micros, Fusobacterium nucleatum, Bacteroides forsythus and Campylobacter rectus isolates from the non-selective medium were tested for beta-lactamase activity by a nitrocefin disk method (DrySlide) and by a laboratory chromogenic nitrocefin-based test. Isolates from the amoxicillin plates that were absent on the amoxicillin/clavulanic acid plates were identified and tested for beta-lactamase production. Based on the non-selective plates, six of 23 P. intermedia isolates, 2 of 19 B. forsythus isolates and 3 of 23 F. nucleatum isolates were beta-lactamase positive. The beta-lactamase positive species Prevotella loescheii, Prevotella buccae, Prevotella buccalis and Actinomyces spp were recovered from the selective amoxicillin plates. beta-Lactamase positive subgingival species were recovered from 17 of 23 patients (74%) but usually comprised low proportions of the subgingival microbiota (range < 0.01-15%). Comparison of the DrySlide test and the nitrocefin-based laboratory test revealed full agreement of test results. beta-Lactamase activity in whole subgingival plaque was detected in 12 patient samples (52%). It was concluded that beta-lactamase activity in subgingival bacteria in adult periodontitis is a common feature. However, since the majority of the samples showed only low-level enzymatic activity, the clinical relevance of this observation with regard to therapy with unprotected enzyme-susceptible beta-lactams is uncertain, though failure on the other hand, is difficult to rule out when a mechanism of resistance is present. The majority of beta-lactamase positive strains was found among species of the Prevotella genus.
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29
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Affiliation(s)
- C H Drisko
- Department of Periodontics, Endodontics, and Dental Hygiene, University of Louisville, Kentucky, USA
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30
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Haffajee AD, Socransky SS, Dibart S, Kent RL. Response to periodontal therapy in patients with high or low levels of P. gingivalis, P. intermedia, P. nigrescens and B. forsythus. J Clin Periodontol 1996; 23:336-45. [PMID: 8739165 DOI: 10.1111/j.1600-051x.1996.tb00555.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
In a previous study, subjects receiving either adjunctive tetracycline or Augmentin showed, on average, more attachment level gain 10 months post-therapy than subjects receiving either Ibuprofen or a placebo, although some subjects in each treatment group showed loss of attachment post-therapy. Since differences in treatment response might have been due to differences in the subgingival microbiota, the response to different therapies in subjects with different pre-therapy subgingival microbiotas was evaluated. 29 subjects exhibiting loss of attachment > 2.5 mm at 1 or more sites during longitudinal monitoring were treated by modified Widman flap surgery at deep sites, subgingival scaling at all other sites and were randomly assigned one of the following agents: Augmentin, tetracycline, ibuprofen or a placebo. Treatment was completed within 30 days, during which time the subject took the assigned agent. Subgingival plaque samples were taken from the mesial surface of each tooth at each visit and evaluated for their content of 14 subgingival species including P. gingivalis, P. nigrescens, P. intermedia and B. forsythus using DNA probes. 18 subjects with mean counts > 10(5) of 2 or more of these 4 species comprised the high test species group; 11 subjects with mean counts > 10(5) of 0 or 1 of the species, the low test species group. Because this was a post-hoc analysis, the number of subjects in some of the treatment/test species groups was small. However, the 8 high test species subjects who received tetracycline showed the most attachment level gain (0.83 +/- 0.20 mm), while the 3 tetracycline-treated, low test species subjects showed minimal gain (0.05 +/- 0.28 mm) 10 months post-therapy. Low test species subjects receiving Augmentin (n = 2) showed a mean gain in attachment of 0.67 (+/- 0.59) mm. The mean % of sites showing either attachment gain or loss > or = 2 mm was computed for each treatment/test species group. High test species subjects receiving tetracycline exhibited the best ratio of gaining to losing sites (16.2), followed by low test species subjects receiving Augmentin (14.1). Periodontal pockets < 7 mm pre-therapy in low test species subjects treated with Augmentin and high test species subjects treated with tetracycline showed attachment gain more frequently than attachment loss. The greatest proportion of gaining sites was seen at pockets > 6 mm, particularly in subjects receiving adjunctive tetracycline. Overall, the data indicated that a gain in mean attachment level post-therapy was significantly associated (p < 0.001) with an increase in C. ochracea accompanied by a decrease in B. forsythus, P. gingivalis, P. intermedia and P. nigrescens. The 4 test species were decreased more in subjects receiving tetracycline. In contrast, Augmentin appeared to be effective in decreasing the % sites colonized by A. actinomycetemcomitans and in increasing the proportion of sites colonized by C. ochracea. Knowledge of the baseline microbiota should improve the choice of an appropriate adjunctive antibiotic for periodontal therapy.
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Affiliation(s)
- A D Haffajee
- Department of Periodontology, Forsyth Dental Center, Boston, MA, USA
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31
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Abstract
If periodontal disease is due to a limited number of bacterial species, then continuous maximal plaque suppression is not the only possibility for prevention and therapy. Specific elimination or reduction of pathogenic bacteria from plaque becomes a valid alternative. Recent studies indicate that the elimination of certain putative pathogens is particularly difficult. New diagnostic methods should allow the choice of better suited procedures, make chosen procedures more effective (through better timing, dosage, selection of devices or drugs, increase of specificity, etc.) or lead to the elimination of unnecessary work (e.g., the treatment of non-susceptible sites or patients). The benefit of newly proposed tests depends on the possible impact of the obtained information on clinical decisions and on the consequences these decisions have for treatment. Thus, diagnostic methods and therapeutical options have to be evaluated together.
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Affiliation(s)
- A Mombelli
- University of Bern, School of Dental Medicine, Switzerland
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32
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Abstract
Refractory periodontal disease is characterized by low plaque scores and low responsiveness to periodontal therapy. The patients often have a history of antibiotic therapy and therefore have a high incidence of resistance in the subgingival microflora. The above features are in contrast to adult chronic periodontal disease and recurrence of disease. The subgingival microflora of refractory disease may be either predominantly gram-positive with elevated levels of Streptococcus intermedius or may be gram negative and contain elevated levels of the classical periodontal pathogens. In some cases serum IgG antibodies against Porphyromonas gingivalis are elevated and seem to decrease after therapy. Smoking may be an important factor in refractory periodontal disease. Treatment with directed antibiotic therapy as an adjunct to scaling and root planing retards the progression of disease for a limited time. Many questions are still not answered and suggestions are made for future directions in research.
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Affiliation(s)
- I Magnusson
- Department of Oral Biology, University of Florida, Gainesville, USA
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33
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Abstract
This article describes some areas of periodontal research and current opinions regarding detection of disease progression, as well as risk indicators and risk factors associated with disease progression. Longitudinal probing of periodontal attachment level is considered the gold standard for detection of disease activity although there are problems with this concept. Digital subtraction radiography can assist in the detection of minor changes of alveolar bone height and density. Risk factors such as composition of subgingival plaque and gingival crevicular fluid, as well as the effect of smoking are discussed. Adjunctive treatment with both antibiotics and nonsteroidal anti-inflammatory drugs, systemic or local, seems to be helpful in some forms of disease. Immunization to prevent colonization of tooth surfaces and pockets by periodontal pathogens does not seem to be feasible in the near future.
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Affiliation(s)
- I Magnusson
- Department of Oral Biology, College of Dentistry, University of Florida, Gainesville 32610-0275, USA
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34
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Abstract
Refractory periodontitis appears to be a patient phenomenon with a clinical pattern that may be the result of different influences including genetic factors and exogenous factors that alter the host response to the bacterial challenge. Different patients may have different mechanisms involved in their disease and therefore may show different response patterns following therapy. Although localized non-responsive sites in otherwise responsive patients should not be considered refractory periodontitis, such sites do present substantial therapeutic problems. Initial evidence suggests that local delivery tetracycline provides significant advantages in the management of such sites. Although refractory periodontitis cases appear to be primarily the result of host alterations, the most predictable approach to therapy at present involves systemic antibiotics in conjunction with local therapy. The goal of antibiotic therapy should be to eliminate from detection the target bacteria that were present prior to therapy. Good plaque control, regular professional maintenance therapy, regular microbial monitoring, and control of risk factors are important aspects of the long term maintenance of these cases.
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Affiliation(s)
- K S Kornman
- University of Texas Health Science Center at San Antonio, USA
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35
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Affiliation(s)
- A J van Winkelhoff
- Department of Oral Microbiology, Academic Centre for Dentistry Amsterdam, The Netherlands
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36
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Ellen RP, McCulloch CA. Evidence versus empiricism: rational use of systemic antimicrobial agents for treatment of periodontitis. Periodontol 2000 1996; 10:29-44. [PMID: 9567936 DOI: 10.1111/j.1600-0757.1996.tb00067.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- R P Ellen
- Department of Periodontics, Faculty of Dentistry, University of Toronto, Ontario, Canada
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37
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Haffajee AD, Dibart S, Kent RL, Socransky SS. Clinical and microbiological changes associated with the use of 4 adjunctive systemically administered agents in the treatment of periodontal infections. J Clin Periodontol 1995; 22:618-27. [PMID: 8583019 DOI: 10.1111/j.1600-051x.1995.tb00815.x] [Citation(s) in RCA: 84] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The purpose of the present investigation was to assess the effects of periodontal surgery and 4 systemically administered agents, Augmentin, tetracycline, ibuprofen or a placebo on clinical and microbiological parameters of periodontal disease. 98 subjects were monitored at 2-month intervals at 6 sites per tooth for clinical parameters. Subgingival plaque samples were taken from the mesial surface of each tooth at each visit and evaluated for their content of 14 subgingival species using DNA probes and a colony lift method. 40 subjects who exhibited loss of attachment > 2.5 mm at 1 or more sites during longitudinal monitoring were treated using modified Widman flap surgery at sites with probing pocket depth > 4 mm, subgingival scaling at all other sites and were randomly assigned 1 of the 4 agents. Treatment was completed within 30 days during which time the subject took the assigned agent. Overall, subjects exhibited a mean attachment level "gain" of 0.34 +/- 0.10 mm (SEM) and a mean pocket depth reduction of 0.62 +/- 0.09 mm 10 +/- 4 months post-therapy. However, certain subjects in each treatment group showed a poor response. Subjects receiving antibiotics exhibited significantly more attachment level "gain" (0.57 +/- 0.15 mm, SEM) than subjects receiving either ibuprofen or a placebo (0.02 +/- 0.10). The differences between Augmentin and tetracycline groups were not significant, nor were the differences between ibuprofen and placebo. 10 months post-therapy, there was a reduction in the number of sites colonized in any subject group by detectable levels (10(3)) of P. gingivalis. Species showing similar reductions were B. forsythus, P. intermedia and P. micros. Subjects receiving systemically administered antibiotics had a significant increase in the proportion of sites colonized by C. ochracea coupled with a greater decrease in the number of sites colonized by P. gingivalis, B. forsythus, P. intermedia and P. micros post-therapy than subjects not receiving antibiotics. The results of this investigation indicate that adjunctive systemic antibiotics increase periodontal attachment "gain" and decrease the levels of some suspected periodontal pathogens in subjects with evidence of current disease progression.
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Affiliation(s)
- A D Haffajee
- Department of Periodontology, Forsyth Dental Center, Boston, MA, USA
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38
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Rotzetter PA, Le Liboux A, Pichard E, Cimasoni G. Kinetics of spiramycin/metronidazole (Rodogyl) in human gingival crevicular fluid, saliva and blood. J Clin Periodontol 1994; 21:595-600. [PMID: 7806675 DOI: 10.1111/j.1600-051x.1994.tb00749.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The peripheral distribution of spiramycin and metronidazole, which are combined in the proprietary drug "Rodogyl", has been studied in gingival fluid, saliva and blood after a single administration to 12 healthy volunteers and after repeated administration to 4 patients with recurring severe periodontitis. Analysis of the 2 antibiotics have been performed at regular intervals during the 24-h period immediately following the administration to the volunteers and after the 1st and the 15th days of repeated administration to the patients. The results show that gingival fluid contains concentrations of spiramycin and metronidazole higher than those needed to inhibit the growth of periodontopathic bacteria. Spiramycin was found at higher concentrations in GCF than in blood, although this feature was not found for metronidazole, which was administered simultaneously and showed similar concentrations in both fluid and serum. Such high concentrations persist for a long time, and suggest the potential of this compound in the treatment of severe cases of periodontitis.
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Affiliation(s)
- P A Rotzetter
- Division of Oral Physiopathology and Periodontology, School of Dental Medicine, Medical Faculty, University of Geneva, Switzerland
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39
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Magnusson I, Low SB, McArthur WP, Marks RG, Walker CB, Maruniak J, Taylor M, Padgett P, Jung J, Clark WB. Treatment of subjects with refractory periodontal disease. J Clin Periodontol 1994; 21:628-37. [PMID: 7806681 DOI: 10.1111/j.1600-051x.1994.tb00755.x] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The aim of the present study was to evaluate the effect of non-surgical periodontal therapy with the adjunct of a selected antibiotic in subjects diagnosed with refractory periodontal disease. 21 subjects were selected for the study; all had a history of periodontal surgery, tetracycline therapy, and regular maintenance by a periodontist. When disease activity was detected, a bacterial sample was taken and a whole plaque susceptibility test was performed. Before the outcome of the susceptibility test the subjects were assigned to either antibiotic or placebo therapy. All subjects received scaling and rootplaning prior to antibiotic or placebo therapy. Based on the susceptibility test, subjects in the antibiotic group were treated either with Augmentin or clindamycin. The results demonstrated that in subjects with refractory periodontal disease there was no significant difference (N.S.) in the proportion of sites losing attachment before and after treatment (11.3% and 12.4%, respectively) over a 2-year post therapy observation period. However, the proportion of sites showing gain of attachment increased from 0.9% before therapy to 5.1% (p = 0.029) following selective antibiotic therapy when combined with scaling and rootplaning. The remainder of sites showed no change between pre- and post-therapy monitoring periods. The progression of attachment loss in the active sites could not be completely stopped over the entire 2-year period. After 12-15 months following therapy, there was a tendency towards new loss of attachment and an increase of pocket depth. However, all 4 subjects treated with placebo drug demonstrated continuous deterioration and had to be retreated. Although the proportion of sites losing attachment decreased from 5.1% to 2.3% (N.S.), the proportion of sites gaining attachment also decreased from 2.0% to 1.0% (N.S.). The results suggest that scaling and rootplaning together with selected antibiotic therapy repeated every 12-15 months may be beneficial for these subjects although it may not completely stop progressive attachment loss.
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Affiliation(s)
- I Magnusson
- Periodontal Disease Research Center, College of Dentistry, University of Florida, Gainesville 32610
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40
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Affiliation(s)
- S G Ciancio
- Department of Periodontology, State University of New York at Buffalo 14214-3008
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41
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Affiliation(s)
- S S Socransky
- Department of Periodontology, Forsyth Dental Center, Boston, Massachusetts, USA
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42
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Affiliation(s)
- J M Goodson
- Department of Pharmacology, Forsyth Dental Center, Boston, Massachusetts, USA
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43
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Abstract
Prior to the 1950s, periodontitis was treated mostly by tooth exfoliation or extraction, and that is still the predominant treatment for most of the world's populations today. Debridement of the root surface by scaling and root planning came into relatively common use in the first half of the present century and has become the central feature held in common by all currently-used forms of periodontal therapy. Until the 1980s, the most commonly-used treatment consisted of scaling and root planing, followed by resective surgery aimed at achieving zero pocket depth. During the 1980s, data were obtained demonstrating that the thoroughness of root debridement and subgingival infection control, not the presence or absence or periodontal pockets, is the major determinant of successful periodontal therapy, and non-surgical therapy became a commonly-used treatment. Neither resective surgery nor non-surgical therapy results in significant regeneration of periodontal attachment. With the realization that periodontitis is an infectious process, the use of antibiotics and other anti-infective agents came into common use as adjuncts to other standard therapies. An understanding of the pathways by which the soft and calcified tissues of the periodontium are destroyed has led to the likelihood of widespread future use of the non-steroidal, anti-inflammatory family of drugs to suppress alveolar bone destruction by blocking prostaglandin production, and to the use of chemically-modified tetracyclines that chelate divalent cations and thereby block tissue destruction by the metalloproteinases. Recent data clearly show that regeneration of the previously-destroyed periodontal attachment tissues is biologically possible, and regeneration has become the goal of therapy for the 1990s. Use of osteoconductive and osteoinductive graft materials can, under favorable conditions, induce roughly 60% to 70% regeneration of bone lesion height or volume with concomitant improvement in the clinical conditions. Regeneration by grafting may be further enhanced by use of barrier membranes that exclude gingival fibroblasts and epithelium from the healing site. Still further enhancement seems to be possible by local application of various growth factors, although studies in this important area are now only in their infancy. The future of periodontal therapy is exceedingly bright.(ABSTRACT TRUNCATED AT 400 WORDS)
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Affiliation(s)
- R C Page
- Research Center in Oral Biology, University of Washington, Seattle
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44
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Gordon JM, Walker CB. Current status of systemic antibiotic usage in destructive periodontal disease. J Periodontol 1993; 64:760-71. [PMID: 8410616 DOI: 10.1902/jop.1993.64.8s.760] [Citation(s) in RCA: 57] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The recognition that periodontal diseases are primarily caused by specific microorganisms has led researchers to explore the possibility that antibiotics may enhance the effect of mechanical debridement procedures such as scaling and surgery. For some selected periodontal diseases, this has proven to be true. This paper will review systemically-administered antibiotics and the clinical studies and case reports supporting their use. In periodontal therapy, the tetracyclines are the most commonly-used antibiotics in the United States. Tetracycline hydrochloride, minocycline, and doxycycline have been shown to inhibit in vitro most putative periodontal pathogens. Several studies support the use of tetracyclines in the treatment of localized juvenile periodontitis. Penicillins such as amoxicillin are effective in vitro against most periodontal pathogens but have limited efficacy due to the presence of beta-lactamases in gingival fluid. Amoxicillin/clavulanate potassium (Au) has proven effective in treating adult refractory periodontitis characterized by a Gram-positive flora. Metronidazole is an effective adjunct in adult periodontitis associated with high numbers of "black-pigmented Bacteroides" ad spirochetes. A combination of metronidazole and amoxicillin produces a synergistic effect against A. actinomycetemcomitans and has been shown to be effective at eliminating this organism. Clindamycin is an effective adjunct in the treatment of adult refractory periodontitis associated with a predominantly Gram-negative flora. The use of macrolides, quinolones, and combinations of antibiotics is discussed. Clinical studies do not support the use of systemically-administered antibiotics in routine adult periodontitis. Clinical studies do, however, support the use of antibiotics in the treatment of specific periodontal diseases.
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45
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Demolon IA, Persson GR, Moncla BJ, Johnson RH, Ammons WF. Effects of antibiotic treatment on clinical conditions and bacterial growth with guided tissue regeneration. J Periodontol 1993; 64:609-16. [PMID: 8366411 DOI: 10.1902/jop.1993.64.7.609] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Mucogingival flaps were reflected over pairs of mandibular molar teeth with Class II furcation invasions. The dimensions of the furcations were measured. The teeth were debrided and an expanded polytetrafluoroethylene (e-PTFE) membrane was placed and retained over one furcation of each pair (test site) for 4 weeks. The second site served as a control. Eight patients (group 1) with 12 e-PTFE sites received no antibiotic. Seven patients (group 2) with 12 e-PTFE sites were administered amoxicillin/clavulanate potassium for 10 days. Paper-points were used to collect bacterial samples and clinical indices were recorded at baseline and weekly for 4 weeks. Paper-point samples and the e-PTFE collected at week 4 were sonicated and analyzed by DNA probes for seven putative pathogens. At baseline no parameter showed statistical differences between groups or sites. At week 1 significantly greater levels of Prevotella intermedia type I (P < 0.05) and Fusobacterium nucleatum (P < 0.01) were found in group 1. At week 4, paper-point samples from test sites (P < 0.05) and e-PTFE materials (P < 0.001) showed significantly higher presence of Bacteroides forsythus in group 1. No significant microbial changes were found for control sites over time or between groups. The total bacterial load at test sites over time increased similarly for patients administered or not administered the antibiotic. Clinical signs of inflammation were significantly greater in group 1 and associated with the presence of B. forsythus (P < 0.01).
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Affiliation(s)
- I A Demolon
- Department of Periodontics, University of Washington, Seattle
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46
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Neu HC, Wilson AP, Grüneberg RN. Amoxycillin/clavulanic acid: a review of its efficacy in over 38,500 patients from 1979 to 1992. J Chemother 1993; 5:67-93. [PMID: 8515298 DOI: 10.1080/1120009x.1993.11739213] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
A review of the published literature detailing the clinical use of amoxycillin/clavulanic acid spanning the period 1979 to 1992 was undertaken to assess the clinical efficacy of the product and to determine whether any changes had occurred during this time. In the 415 publications meeting the selection criteria a total of over 38,500 patients were treated with amoxycillin/clavulanic acid. Analysis of the data confirms the efficacy of amoxycillin/clavulanic acid over a wide range of clinical indications and annual and triennial groupings of publications suggests that there has been little change in the clinical effectiveness of amoxycillin/clavulanic acid. Clinical efficacy rates (cure or improved) with amoxycillin/clavulanic acid were 88% and 92% in comparative and uncontrolled trials, respectively. Gastro-intestinal side effects are the most common adverse event but have been relatively infrequent. Amoxycillin/clavulanic acid should continue to be a useful antibiotic for upper and lower respiratory tract infections, skin structure infections, dental, head and neck infections, and selected urinary tract infections.
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Affiliation(s)
- H C Neu
- College of Physicians and Surgeons, Columbia University, New York, NY 10032
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47
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Okuda K, Wolff L, Oliver R, Osborn J, Stoltenberg J, Bereuter J, Anderson L, Foster P, Hardie N, Aeppli D. Minocycline slow-release formulation effect on subgingival bacteria. J Periodontol 1992; 63:73-9. [PMID: 1552468 DOI: 10.1902/jop.1992.63.2.73] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The purpose of this study was to determine the microbiological efficacy of an adjunctive minocycline periodontal formulation delivered subgingivally. Subjects were systemically healthy but exhibited severe periodontitis; i.e., probing depths greater than 6 mm. The two study groups included individuals who received minocycline or a placebo periodontal formulation after root planing. Subgingival plaque samples were obtained at baseline; prior to treatment; and at 1, 3, and 6 months. Plaque was evaluated by darkfield microscopy and further analyzed for total dark-pigmented Bacteroides species, P. intermedia, P. gingivalis and Streptococcus, Actinomyces, Eikenella, Actinobacillus, Capnocytophaga, and Fusobacterium species using cultivable flora techniques. In addition, plaque was evaluated for yeast on a selective agar medium. When compared to the placebo, the minocycline group had significantly lower proportions of spirochetes at 1 and 3 months and lower proportions of motile rods at 3 months. Furthermore, when compared to the placebo group, the minocycline patients had lower mean proportions of dark-pigmented Bacteroides spp. and P. intermedia at 1 and 3 months as well as lower proportions of E. corrodens at 1 month. The minocycline group had significant decreases in proportions of spirochetes at 1 and 3 months, motile rods at 1 and 3 months, and increases in cocci at 1, 3, and 6 months when compared to baseline. In the placebo group, root planing was also effective at decreasing spirochetes at 1, 3, and 6 months, but with significant differences seen only at 3 and 6 months. However, the degree of reduction in spirochete proportions was greater in the minocycline group when compared with the placebo group.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- K Okuda
- Department of Periodontology, Niigata University, School of Dentistry, Japan
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48
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Theil EM, Heaney TG. The validity of periodontal probing as a method of measuring loss of attachment. J Clin Periodontol 1991; 18:648-53. [PMID: 1960233 DOI: 10.1111/j.1600-051x.1991.tb00105.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Linear probe measurements are used to assess the severity and extent of attachment loss in chronic periodontitis and to identify, retrospectively, sites of disease activity. The use of the probe for these purposes is based on the implicit assumption that there is a direct and predictable relationship between linear probe measurements of attachment loss and the area of cemental surface which has been denuded of periodontal ligament. The aim of this study was to test this assumption by determining the correlation between loss of attachment as expressed by probe readings, and that expressed as the area of denuded root surface. The areas of denuded root surface of 236 teeth of different morphotype in 41 human dried skulls were determined by a rubber base impression technique and compared with their corresponding probe measurements, made at 10 sites per tooth. Although the majority of correlations between linear and area measurements were statistically significant for some individual morphotypes and categories of bone loss, there was overall, no consistent pattern of correlation between the two parameters. Furthermore, many correlations which were statistically significant had low values of the correlation coefficient: Kendall's T. It was concluded that probe readings are not a very precise measure of attachment loss, particularly with increasing severity destruction. These results cast doubt on the ability of individual linear measurements to represent the true severity of attachment loss, and thus on the precision of loss of attachment charts for retrospectively identifying sites of periodontal disease activity.
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Affiliation(s)
- E M Theil
- Department of Clinical Dental Sciences, School of Dentistry, University of Liverpool, UK
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49
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Abstract
Periodontal diseases are bacterial infections and anti-microbials have been shown to be useful in their treatment and prevention. State-of-the-art treatment of refractory forms of destructive periodontal disease presently includes adjunctive use of systemic antibiotics directed to eliminating or suppressing pathogenic subgingival bacteria. Also, local application of antimicrobials by subgingival deposition or their use as irrigants during periodontal therapy are soon likely to be major components of anti-infective management of periodontal diseases. A new approach to anti-infective periodontal therapy combines ultrasonic surgical debridement with antimicrobial irrigation.
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Affiliation(s)
- R J Genco
- School of Dental Medicine, State University of New York, Buffalo 14214
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50
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Abu Fanas SH, Drucker DB, Hull PS. Amoxycillin with clavulanic acid and tetracycline in periodontal therapy. J Dent 1991; 19:97-9. [PMID: 2050897 DOI: 10.1016/0300-5712(91)90098-j] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
The effects of tetracycline and amoxycillin with clavulanic acid on the clinical parameters and subgingival flora of eight patients with rapidly progressive periodontitis was assessed. Subjects received either tetracycline 250 mg four times daily or amoxycillin 250 mg with clavulanic acid 125 mg three times daily for a period of 2 weeks together with subgingival scaling and root planning. Both treatment regimens produced significant reductions in bleeding on probing and probing pocket depths which were still present 16 weeks after the antibiotic therapy. A significant reduction in the mean percentage of black-pigmented Bacteroides spp., Fusobacterium nucleatum and anaerobic corroding bacilli was also obtained. Both treatment regimens were equally effective in reducing the clinical parameter and altering the subgingival flora. The MIC values for Bacteroides gingivalis (Porphyromonas gingivalis). Bacteroides intermedius (Prevotella intermedia) and F. nucleatum to amoxycillin with clavulanic acid remained constant throughout the period of investigation. The MIC values of these organisms to tetracycline increased.
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Affiliation(s)
- S H Abu Fanas
- Department of Restorative Dentistry, Turner Dental School, University of Manchester, UK
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