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- Advances in patents related to intrapocket technology for the management of periodontitis. [Review]
- RPRecent Pat Drug Deliv Formul 2015; 9(2):129-45
- Increased prevalence of oral diseases such as gingivitis, periodontitis and dental caries has become major health issue worldwide. Such growing incidence of periodontitis has directly affected the de...
Increased prevalence of oral diseases such as gingivitis, periodontitis and dental caries has become major health issue worldwide. Such growing incidence of periodontitis has directly affected the development of drug delivery systems and growth of the market. Since the infections are limited to periodontal pockets or oral cavity, localized intrapocket drug delivery will be more beneficial than conventional systemic administration. Advances in intrapocket technology and innovations in the field of periodontal drug delivery led to increased patent applications. Newer trends like use of mucoadhesive polymers, in situ forming gels, viscosity modifiers, plasticizers etc which can enhance intrapocket retention of drugs have gained considerable attention among researchers and industrialists. Current market is flooded with products such as Periostat, Periochip(®), Atridox(®), Arestin(®), Actisite(®), Dentomycin(®), and Elyzol(®) and generics such as metronidazole, levofloxacin, tetracycline, doxycyline and minocycline for intrapocket delivery. There is a need of novel drugs and delivery systems with better efficacy profiles than the existing compounds. Inclusion of novel technologies like films, fibers, in situ forming implants, microparticles, nanoparticles, and liposomes as intrapocket drug delivery has great potential. Development of antibiotic free drug delivery such as antiseptics, host modulators, biofilms inhibitors and antibodies has promising role in the improvement of pathogenesis of periodontitis. Further, this review deals with various innovations in drug delivery and patents related to localized intrapocket administration of medicaments in the implications of periodontitis.
- Control of periodontal infections: a randomized controlled trial I. The primary outcome attachment gain and pocket depth reduction at treated sites. [Randomized Controlled Trial]
- JCJ Clin Periodontol 2012; 39(6):526-36
- CONCLUSIONS: Patients receiving adjunctive therapies generally exhibited improved CAL gain and/or PPD reduction when compared with the outcome of SRP alone. Only additive, not synergistic effects of the various adjunctive therapies were observed.
- Antibiotic resistance profile of the subgingival microbiota following systemic or local tetracycline therapy. [Randomized Controlled Trial]
- JCJ Clin Periodontol 2004; 31(6):420-7
- CONCLUSIONS: Local or systemically administered tetracycline results in transitory selection of subgingival species intrinsically resistant to this drug. Although the percentage of sites harboring periodontal pathogens resistant to tetracycline were quite elevated in this population, both therapies were effective in reducing their prevalence over time.
- Debridement and local application of tetracycline-loaded fibres in the management of persistent periodontitis: results after 12 months. [Randomized Controlled Trial]
- JCJ Clin Periodontol 2004; 31(3):166-72
- CONCLUSIONS: SRP plus TE fibres gave the greatest advantage in the treatment of periodontal persistent lesions at least 12 months following treatment.
- The use of tetracycline fibres in the treatment of generalised aggressive periodontitis: clinical and microbiological findings. [Controlled Clinical Trial]
- JIJ Int Acad Periodontol 2003; 5(2):52-60
- The purpose of the present study was to evaluate the effects of tetracycline fibres (TCF) as an adjunct to scaling in the treatment of generalised aggressive periodontitis and to compare the effects ...
The purpose of the present study was to evaluate the effects of tetracycline fibres (TCF) as an adjunct to scaling in the treatment of generalised aggressive periodontitis and to compare the effects with mechanical treatment only. Ten patients, 24-39 years old referred for treatment to the Department of Preventive Dentistry, Periodontology and Implant Biology, Aristotle University of Thessaloniki took part in the study. A split-mouth experimental design was used. Measurements referring to bleeding on probing (BOP), pocket depth (PD) and clinical attachment level (CAL) were performed at 12 sites randomly selected. Clinical recordings were made at baseline, 2 and 6 months, after treatment. Subgingival plaque samples were taken for microbiological analysis using the 'checkerboard' DNA-DNA hybridisation technique at baseline, immediately after treatment and at 2 and 6 months. Full-mouth scaling and root planing were performed, with the exception of 2 pre-selected sites, which served as controls. Tetracycline fibres were applied in 5 pockets located in the same half mouth. Analysis of clinical findings showed that mechanical instrumentation in combination with TCF application led to a greater improvement in clinical parameters than scaling and root planing only. Microbial analysis showed a statistically significant greater reduction in the percentages of detection for B. forsythus, P. nigrescens and A. naeslundii genospecies II in pockets where tetracycline fibres were applied. In conclusion, the clinical and microbiological data of the present study suggest that the adjunctive use of TCF improves the clinical response of scaling and root planing in aggressive periodontitis patients.
- Periodontal therapy using local delivery of antimicrobial agents. [Meta-Analysis]
- DCDent Clin North Am 2002; 46(4):665-77, viii
- Antimicrobial agents, systemic and/or local, are thought by some to be effective agents for treating periodontal infections. Here the authors determine the costs and benefits of local delivery agents...
Antimicrobial agents, systemic and/or local, are thought by some to be effective agents for treating periodontal infections. Here the authors determine the costs and benefits of local delivery agents for treating periodontal disease. Applying this cost-benefit analysis to patient care, however, will depend upon a clinician's expertise and a patient's value system.
- Local antibiotic therapy guided by microbiological diagnosis. [Journal Article]
- JCJ Clin Periodontol 2002; 29(8):743-9
- CONCLUSIONS: Therapy with tetracycline fibers guided by microbiological diagnosis effectively reduced P. gingivalis and A. actinomycetemcomitans locally, but was unable to completely eradicate the target organisms. Additional systemic antibiotic therapy further reduced P. gingivalis and A. actinomycetemcomitans. The observed persistence patterns suggest that reemergence of A. actinomycetemcomitans was due to recolonization, whereas the strikingly reproducible local reemergence of P. gingivalis in some sites indicated failed eradication.
- Locally delivered antimicrobials in periodontal treatment. [Journal Article]
- JIJ Indiana Dent Assoc 2002; 81(2):10-4
- The management of periodontal diseases has included both non-surgical and surgical treatment options. Non-surgical treatment traditionally has referred to the role of mechanical instrumentation of th...
The management of periodontal diseases has included both non-surgical and surgical treatment options. Non-surgical treatment traditionally has referred to the role of mechanical instrumentation of the root surface with either scalers or curettes. However, the introduction of locally delivered anti-microbial medications, which can be placed directly into a periodontal pocket, has provided the practitioner with another treatment option. This article looks at the different locally delivered anti-microbial medications being used in the non-surgical management of periodontal diseases.
- Release of tetracycline hydrochloride from electrospun poly(ethylene-co-vinylacetate), poly(lactic acid), and a blend. [Journal Article]
- JCJ Control Release 2002 May 17; 81(1-2):57-64
- Electrospun fiber mats are explored as drug delivery vehicles using tetracycline hydrochloride as a model drug. The mats were made either from poly(lactic acid) (PLA), poly(ethylene-co-vinyl acetate)...
Electrospun fiber mats are explored as drug delivery vehicles using tetracycline hydrochloride as a model drug. The mats were made either from poly(lactic acid) (PLA), poly(ethylene-co-vinyl acetate) (PEVA), or from a 50:50 blend of the two. The fibers were electrospun from chloroform solutions containing a small amount of methanol to solubilize the drug. The release of the tetracycline hydrochloride from these new drug delivery systems was followed by UV-VIS spectroscopy. Release profiles from the electrospun mats were compared to a commercially available drug delivery system, Actisite (Alza Corporation, Palo Alto, CA), as well as to cast films of the various formulations.
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- Local delivery of antimicrobials: a new era in the treatment of adult periodontitis. [Review]
- CCCompend Contin Educ Dent 1999; 20(4 Suppl):13-8; quiz 34-5
- This article discusses the principles, products, and techniques currently available for local delivery of antimicrobials in the treatment of adult periodontitis. Four principles provide the scientifi...
This article discusses the principles, products, and techniques currently available for local delivery of antimicrobials in the treatment of adult periodontitis. Four principles provide the scientific basis for the treatment of periodontitis: it is caused by bacteria; it cannot be cured, but it can be controlled; clinicians cannot remove all the plaque and calculus; and periodontitis reinfects. This article stresses how the local delivery of antimicrobials can help the clinician achieve the goals of arresting the disease and maintaining the disease in the arrested or controlled state. Rationales for reevaluating the treated patient and treatment options are presented. Local-delivery systems are reviewed, stressing those available in the United States. Pharmacokinetics, multicenter randomized trials, and techniques are presented.