Aerosol and splatter production by focused spray and standard ultrasonic inserts.

abstract：BACKGROUND:The objectives of this study were to: 1) test hypotheses that behavioral factors, baseline clinical status, and incident tooth loss are significantly associated with attachment loss incidence (ALI) and 2) quantify the effect of incident tooth loss on conclusions made about ALI. METHODS:The Florida Dental Ca...

journal_title：Journal of periodontology

authors： Gilbert GH,Shelton BJ,Fisher MA

更新日期：2005-07-01 00:00:00

abstract：BACKGROUND:This study compared 6-month and 3-year outcomes for root coverage (RC) by coronally advanced flap (CAF) procedures in localized gingival recessions. METHODS:Two centers, that had participated in a 6-month multinational multicenter randomized clinical trial (RCT), followed up 18 patients with 36 Miller Class...

journal_title：Journal of periodontology

authors： Jepsen K,Stefanini M,Sanz M,Zucchelli G,Jepsen S

更新日期：2017-07-01 00:00:00

abstract：BACKGROUND:It has previously been suggested that CD4+ T cells play a pivotal role in regulating the immune response to periodontal pathogens. The aim of the present study therefore was to determine delayed type hypersensitivity (DTH), spleen cell proliferation, serum and splenic anti-Porphyromonas gingivalis antibody l...

journal_title：Journal of periodontology

authors： Sosroseno W,Bird PS,Gemmell E,Seymour GJ

更新日期：2002-10-01 00:00:00

abstract：BACKGROUND:Prostaglandin E2 (PGE2) plays important roles in the pathogenesis of periodontal disease. Recent studies have revealed the existence of 2 isozymes of cyclooxygenase (COX), called COX-1 and COX-2. The purpose of the present study was to investigate the contribution of COX-1 and COX-2 to PGE2 production by hum...

journal_title：Journal of periodontology

authors： Noguchi K,Yanai M,Shitashige M,Nishihara T,Ishikawa I

更新日期：2000-10-01 00:00:00

abstract：:The objective of this study was to evaluate if the biologic membrane utilized for GTR can be impregnated by tetracycline hydrochloride and if the chemotherapeutic agent, once impregnated, can be released in minimal inhibitory concentrations for a period compatible with clinical application. Initially, an in vitro stud...

journal_title：Journal of periodontology

authors： Markman C,Fracalanzza SE,Novaes AB Jr,Novaes AB

更新日期：1995-11-01 00:00:00

abstract：:Fresh and frozen allogeneic iliac grafts were used in surgically prepared intraosseous defects. Four adult rhesus monkeys provided 19 specimens from 0 to 56 days postoperative. There were 8 specimens for each type of graft and 3 others used as controls. Histologic sections from each specimen were prepared and a descri...

journal_title：Journal of periodontology

authors： Poulsom RC,Rubinstein A,Gargiulo AW

更新日期：1976-04-01 00:00:00

abstract：:Wounds were prepared in the oral cavity of 15 rabbits and five dogs, and an enzyme-solubilized calfskin collagen was placed over the surgery sites on one side. The contralateral sides acted as controls. Results indicated that the membrane was biologically acceptable to the oral mucosa of rabbits and dogs. Th collagen ...

journal_title：Journal of periodontology

authors： Levin MP,Tsaknis PJ,Cutright DE

更新日期：1979-05-01 00:00:00

abstract：:This study examined the effect of oral food consumption on the prevalence and levels of subgingival bacteria and yeasts in 20 gastrostomy tube-fed children and 24 healthy controls. Microbial identification was carried out using anaerobic culture and 16S rRNA-based PCR identification methods. Streptococcal and Actinomy...

journal_title：Journal of periodontology

authors： Chen C,Ashimoto A,Sangsurasak S,Flynn MJ,Slots J

更新日期：1997-12-01 00:00:00

abstract：BACKGROUND:The purpose of this study was to perform alveolar ridge augmentation by distraction osteogenesis (DO) and to enhance bone regeneration through the use of recombinant human bone morphogenetic protein-2 (rhBMP-2), followed by implant placement. METHODS:Alveolar segmental osteotomy was performed in the mandibl...

journal_title：Journal of periodontology

authors： Rachmiel A,Aizenbud D,Peled M

更新日期：2004-11-01 00:00:00

abstract：:Basement membranes in human gingiva are found in dento-epithelial junction, epithelial-connective tissue junction and endothelium-connective-tissue junction where they have important attachment and filtering functions. The ability of plaque and gingiva-derived proteinases to degrade Type IV collagen, the major protein...

journal_title：Journal of periodontology

authors： Uitto VJ

更新日期：1983-12-01 00:00:00

abstract：:Langerhans cells (LC) are antigen-presenting cells which express high levels of Class II MHC antigens on their plasma membranes. While the expression of these antigens on gingival LC has been documented, their functional significance is unclear. In this study, the mixed epithelial cell-lymphocyte culture reaction (MEC...

journal_title：Journal of periodontology

authors： Walsh LJ,Seymour GJ,Powell RN

更新日期：1990-06-01 00:00:00

abstract：:The purposes of this study were to determine if: 1) an association exists between cigarette smoking and signs of periodontal disease after controlling for the confounding variables of age, sex, plaque, and calculus; 2) the prevalence of 5 bacteria commonly associated with periodontal disease differs between smokers an...

journal_title：Journal of periodontology

authors： Stoltenberg JL,Osborn JB,Pihlstrom BL,Herzberg MC,Aeppli DM,Wolff LF,Fischer GE

更新日期：1993-12-01 00:00:00

abstract：:Histiocytosis X, a reticuloendothelial disorder, includes the three clinical syndromes: Letterer-Siwe and Hand-Schuller-Christian diseases and eosinophilic granuloma of the bone. Twenty-eight cases of adult onset of histiocytosis X involving the head and neck region were found in the literature during the past 20 year...

journal_title：Journal of periodontology

authors： Artzi Z,Grosky M,Raviv M

更新日期：1989-01-01 00:00:00

abstract：BACKGROUND:Recently, a genetic marker (IL-1 genotype) that identifies individuals at higher risk for developing severe periodontal disease was discovered. A subgroup of the population reported on earlier was evaluated to determine if knowledge of the patient's IL-1 genotype would improve accuracy in assignment of progn...

journal_title：Journal of periodontology

authors： McGuire MK,Nunn ME

更新日期：1999-01-01 00:00:00

abstract：:This review examines specific aspects of orthodontic treatment and periodontal health, namely the effects of orthodontic banded attachments on periodontal disease and more specifically the microflora found around the gingival margins. This review highlights critical developments in orthodontic techniques and microbiol...

journal_title：Journal of periodontology

authors： Atack NE,Sandy JR,Addy M

更新日期：1996-02-01 00:00:00

abstract：:The purpose of this investigation was to evaluate calcium hydroxide and potassium nitrate individually as densensitizing agents for hypersensitive root surfaces. The apparatus used in the experiment to measure hypersensitivity was (a) a thermo-electric stimulating device to measure hot and cold stimulation quantitativ...

journal_title：Journal of periodontology

authors： Green BL,Green ML,McFall WT Jr

更新日期：1977-10-01 00:00:00

abstract：:Repeated measurements of attachment level appear to be important assessments in periodontal clinical trials, yet the lack of reliability for this assessment creates measurement error which in turn demands increased sample sizes or reduces the power of the test. A plastic occlusal stent has been developed as a fixed re...

journal_title：Journal of periodontology

authors： Clark DC,Chin Quee T,Bergeron MJ,Chan EC,Lautar-Lemay C,de Gruchy K

更新日期：1987-02-01 00:00:00

abstract：:The relationship between local and systemic host antibody responses, colonization of subgingival plaque by periodontal disease-associated microorganisms and the progression of periodontal disease was assessed in 61 patients. Serum antibody levels to a battery of oral microorganisms were determined by an enzyme-linked ...

journal_title：Journal of periodontology

authors： Ebersole JL,Taubman MA,Smith DJ

更新日期：1985-11-01 00:00:00

abstract：BACKGROUND:This review addresses the ability of a commercially available genetic susceptibility test to determine the risk of developing severe chronic periodontitis. The test is used to detect the simultaneous occurrence of allele 2 at the IL-1A+4845 and IL-1B+3954 loci. If both of these polymorphisms are present, pat...

journal_title：Journal of periodontology

authors： Greenstein G,Hart TC

更新日期：2002-02-01 00:00:00

abstract：BACKGROUND:The aim of this study was to observe the differences in periodontal microcirculation between healthy patients and patients with systemic sclerosis (SSc). METHODS:Fifteen healthy patients and 15 patients with SSc were examined. Periodontal capillaroscopy was used to investigate the characteristics of microci...

journal_title：Journal of periodontology

authors： Scardina GA,Pizzigatti ME,Messina P

更新日期：2005-11-01 00:00:00

abstract：:Nineteen young adult Caucasian males had an average Gingival Index Score of 0.47. Each was asked to demonstrate his present method of toothbrushing: thirteen used the scrub method, and six combined the scrub and roll methods. Control gingival tissue specimens were taken from the mandibular left first bicuspid or first...

journal_title：Journal of periodontology

authors： Fry HR,App GR

更新日期：1978-04-01 00:00:00

abstract：:Bacterial invasion of the pocket epithelium and underlying connective tissue was found in seven cases of advanced human periodontitis. Four cases showed invasion of the epithelium as well as the connective tissue while in the other three cases bacterial invasion was limited to the pocket epithelium. The microorganisms...

journal_title：Journal of periodontology

authors： Manor A,Lebendiger M,Shiffer A,Tovel H

更新日期：1984-10-01 00:00:00

abstract：BACKGROUND:The detailed mechanism of osseointegration, the most appropriate implant-bone interface, remains unclear in jaw tissues at the ultrastructural level in contrast to the many reports using long bones. The present study reports on tissue response to titanium-implantation on an animal model using rat maxilla. M...

journal_title：Journal of periodontology

authors： Futami T,Fujii N,Ohnishi H,Taguchi N,Kusakari H,Ohshima H,Maeda T

更新日期：2000-02-01 00:00:00

abstract：BACKGROUND:The pathogenesis of epithelial thickening in gingival overgrowth remains obscure. Apoptosis plays an important role in maintaining tissue hemostasis. The aim of the present study was to investigate apoptosis via immunohistochemical analyses in cyclosporin A-induced gingival overgrowth tissue samples to deter...

journal_title：Journal of periodontology

authors： Bulut S,Ozdemir BH

更新日期：2007-12-01 00:00:00

abstract：:Linear IgA disease (LAD) is a chronic, subepithelial blistering disease that is associated with the presence of linear deposits of IgA along the basement membrane zone. Etiopathogenic aspects of LAD are only partially known. LAD is clinically characterized by vesiculobullous skin and mucous lesions. Although more than...

journal_title：Journal of periodontology

authors： del Valle AE,Martínez-Sahuquillo A,Padrón JR,Urizar JM

更新日期：2003-06-01 00:00:00

abstract：BACKGROUND:There are no specific bacterial profiles or diagnostic tests capable of identifying refractory periodontitis patients before a treatment regimen is initiated. Therefore, in this high-risk cohort of patients who do not respond appropriately, host factors that might be partly under genetic control may play a c...

journal_title：Journal of periodontology

authors： Kim DM,Ramoni MF,Nevins M,Fiorellini JP

更新日期：2006-06-01 00:00:00

abstract：:This study describes the histologic characteristics of root surfaces of primary teeth from children with prepubertal periodontitis (PP). Fifteen primary teeth from 4 children with PP, and 2 control primary teeth from 2 healthy children were examined. Light microscopy revealed normal root surfaces in the control teeth....

journal_title：Journal of periodontology

authors： Bimstein E,Wagner M,Nauman RK,Abrams RG,Shapira L

更新日期：1998-03-01 00:00:00

abstract：BACKGROUND:The interproximal dental papilla is considered an essential component of the anterior and posterior regions of the maxilla and mandible. The absence of this structure has esthetic and phonetical consequences and lateral food impaction problems occur with the implant-supported prosthesis. The aims of the pres...

journal_title：Journal of periodontology

authors： Gastaldo JF,Cury PR,Sendyk WR

更新日期：2004-09-01 00:00:00

abstract：:The form of periodontitis with onset at puberty and affecting predominantly the first molars and incisors is called juvenile periodontitis (JP). The disease has been the object of intense study because from its analysis may come insights into understanding other, more common, forms of periodontitis. We recently had th...

journal_title：Journal of periodontology

authors： Page RC,Vandesteen GE,Ebersole JL,Williams BL,Dixon IL,Altman LC

更新日期：1985-10-01 00:00:00

abstract：BACKGROUND:Multiple factors that influence the precision of periodontal probing measurements have been identified. These factors can be categorized as being dependent upon host-related, probe-related, or examiner-related variables. However, the potential influence of examiner handedness (right or left) on the measureme...

journal_title：Journal of periodontology

authors： Khan SM,Blanchard SB,Dowsett SA,Eckert GJ,Kowolik MJ

更新日期：2006-07-01 00:00:00