abstract：:Paroxysmal nocturnal hemoglobinuria (PNH) is an uncommon blood stem cell disorder. The acquired defect is in the cell membrane of the precursor of the affected clone, which renders erythrocytes, platelets and granulocytes unusually sensitive to the hemolytic effects of complement. It is characterized by chronic hemoly...

journal_title：Journal of periodontology

authors： Cohen CI,Zimmerman DR

更新日期：1988-02-01 00:00:00

abstract：:Explants of bovine gingival mucosa were cultured for four days on scaled and citric acid-conditioned root surfaces. Demineralization of the hard tissue with citric acid exposed the collagenous matrix of the root. Undemineralized islands were frequently seen among the collagen fibers of the treated roots. When cultured...

journal_title：Journal of periodontology

authors： Larjava H,Salonen J,Häkkinen L,Närhi T

更新日期：1988-02-01 00:00:00

abstract：:Immunoglobulins in sera and in supernatant fluids of explant cultures of diseased gingival tissues from 20 rapidly progressive and 20 adult periodontitis sites were tested by an ELISA assay for reactivity with typed strains of Eubacterium alactolyticum, E. brachy, E. limosum and E. nodatum. Immunoglobulins present in ...

journal_title：Journal of periodontology

authors： Martin SA,Falkler WA Jr,Vincent JW,Mackler BF,Suzuki JB

更新日期：1988-01-01 00:00:00

abstract：:Gingival biopsies of the mesial papilla area of the first molar were obtained from each patient at 0-, 14- and 21-day intervals during plaque formation. The biopsies were fixed, serially sectioned, and Gram-stained. The incidence and distribution of the bacteria-like structures were studied by microscopy. In all the s...

journal_title：Journal of periodontology

authors： Saglie FR,Pertuiset JH,Rezende MT,Sabet MS,Raoufi D,Carranza FA Jr

更新日期：1987-12-01 00:00:00

abstract：:A surgical and suturing method is described for the subgingival placement of Gore-tex periodontal material during new attachment procedures. The periodontal material isolates the root surface from epithelium and gingival connective tissue. Three cases were treated. Clinical new attachment was evident from clinical pro...

journal_title：Journal of periodontology

authors： Becker W,Becker BE,Prichard JF,Caffesse R,Rosenberg E,Gian-Grasso J

更新日期：1987-12-01 00:00:00

abstract：:The purpose of this histologic, histometric, and autoradiographic study was to examine the effect of citric acid conditioning and lyophilized autologous plasma (LAP) application on healing following periodontal flap surgery. Mucoperiosteal flaps were elevated in six rhesus monkeys using the modified Widman flap proced...

journal_title：Journal of periodontology

authors： Nasjleti CE,Caffesse RG,Castelli WA,Smith BA,Lopatin DE,Kowalski CJ

更新日期：1987-11-01 00:00:00

abstract：:In order to provide longitudinal data for endosteal bladevent implants, a continuing study is being conducted from an original group of 49 implants in 32 patients placed 15 years ago. The present work evaluated 26 of these bladevent implants in 18 patients. Three basic patterns were observed 15 years postoperatively: ...

journal_title：Journal of periodontology

authors： Smithloff M,Fritz ME

更新日期：1987-09-01 00:00:00

abstract：:A scanning electron microscope and electron probe study was carried out to compare root structure from deep within periodontal pockets with roots exhibiting no periodontal disease. To eliminate the possibility of extraneous ion introduction or deletion, no attempt was made to subject the roots to fixation, embedding, ...

journal_title：Journal of periodontology

authors： Barton NS,Van Swol RL

更新日期：1987-09-01 00:00:00

abstract：:T-cell subsets extracted from chronically inflamed periodontal tissues were identified using monoclonal antibodies, and their functional activity was analysed using the autologous mixed lymphocyte reaction (AMLR). Tissue was obtained from a total of 33 adult periodontitis (AP) patients and 6 normal/marginal gingivitis...

journal_title：Journal of periodontology

authors： Cole KL,Seymour GJ,Powell RN

更新日期：1987-08-01 00:00:00

abstract：:In recent years there has been a dramatic increase in the use of nonprecious alloy and porcelain crowns in clinical dentistry. The alloy in these restorations frequently contains a high percentage (greater than 70%) of nickel. Most cases of metal hypersensitivity are related to nickel, and clinical manifestations of t...

journal_title：Journal of periodontology

authors： Lamster IB,Kalfus DI,Steigerwald PJ,Chasens AI

更新日期：1987-07-01 00:00:00

abstract：:The clinical, histopathologic and functional consequences of the genetic deficiency of leukocyte Mac-1, LFA-1 and p150,95 were assessed among three affected patients, heterozygotes and unaffected individuals among two generations of a single kindred. Longitudinal assessments of this family afforded the unique opportun...

journal_title：Journal of periodontology

authors： Waldrop TC,Anderson DC,Hallmon WW,Schmalstieg FC,Jacobs RL

更新日期：1987-06-01 00:00:00

abstract：:This study compared bite force discrimination between 14 treated periodontal patients with significant bone resorption and 14 control subjects who were free of periodontal disease. Bite force was measured using a strain gauge scale which permitted subjects to visually monitor when their bite force equaled a preset res...

journal_title：Journal of periodontology

authors： Williams WN,Low SB,Cooper WR,Cornell CE

更新日期：1987-04-01 00:00:00

abstract：:This study investigated a possible association between bruxism and severity of periodontal disease. Subjects consisted of 51 patients (mean age 47.3 years) referred to the Department of Periodontology for treatment of moderate to severe periodontal disease (Perio-group) and 40 patients (mean age 48.9 years) referred t...

journal_title：Journal of periodontology

authors： Hanamura H,Houston F,Rylander H,Carlsson GE,Haraldson T,Nyman S

更新日期：1987-03-01 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 effects on dentin permeability of burnishing NaF, kaolin, or glycerin, alone and in various combinations, were determined using an in vitro system. The results indicate that the important variable was not any of the constituents of the paste but the burnishing process itself. Burnishing dentin creates a partial sm...

journal_title：Journal of periodontology

authors： Pashley DH,Leibach JG,Horner JA

更新日期：1987-01-01 00:00:00

abstract：:A theory of periodontal attachment loss which postulates discrete bursts of activity has recently been proposed. This paper identifies several problems in the interpretation of the experimental data that have been used to support the burst model. Major obstacles to valid inferences are associated with the following: s...

journal_title：Journal of periodontology

authors： Ralls SA,Cohen ME

更新日期：1986-12-01 00:00:00

abstract：:The effects of twice weekly topical applications of hydrogen peroxide on the buccal epithelium of Syrian hamsters were studied. Animals were treated either with hydrogen peroxide alone, with hydrogen peroxide and the carcinogen 9, 10-dimethyl-1,2-benzanthracene (DMBA), or with DMBA alone. In animals treated with 30% H...

journal_title：Journal of periodontology

authors： Weitzman SA,Weitberg AB,Stossel TP,Schwartz J,Shklar G

更新日期：1986-11-01 00:00:00

abstract：:The literature related to smoking and periodontal disease is reviewed. The effects of smoking on oral hygiene, gingivitis, necrotizing gingivitis, periodontitis, bacteria and the host's response are presented. From this review it is apparent that while the relationship between smoking and periodontal disease needs fur...

journal_title：Journal of periodontology

authors： Rivera-Hidalgo F

更新日期：1986-10-01 00:00:00

abstract：:Serial histological sections of gingiva obtained from each of six advanced adult periodontitis, two localized juvenile periodontitis and two periodontally healthy patients were used for specific identification of bacteria within the oral epithelium and adjacent connective tissue. Healthy gingival biopsies served as co...

journal_title：Journal of periodontology

authors： Saglie FR,Smith CT,Newman MG,Carranza FA Jr,Pertuiset JH,Cheng L,Auil E,Nisengard RJ

更新日期：1986-08-01 00:00:00

abstract：:A double-blind study was undertaken to determine the effects of megadose ascorbic acid supplementation on plasma ascorbate levels, polymorphonuclear neutrophil (PMN) chemotaxis and clinical and biochemical determinations of inflammatory progression in individuals with a mean daily ascorbate intake level of approximate...

journal_title：Journal of periodontology

authors： Vogel RI,Lamster IB,Wechsler SA,Macedo B,Hartley LJ,Macedo JA

更新日期：1986-08-01 00:00:00

abstract：:Ferritin and peroxidase-conjugated antibodies were used in an indirect antibody method to localize fibronectin in gingival connective tissues. Fibronectin was found in the basal lamina beneath the epithelium and endothelium. Collagen fibrils associated with the basement membranes were also heavily coated by fibronecti...

journal_title：Journal of periodontology

authors： Cho MI,Lee YL,Garant PR

更新日期：1986-07-01 00:00:00

abstract：:During the acute phase of periodontal disease, as many as 60% of the cells of the junctional epithelium may be accounted for by polymorphonuclear cells (PMNs). It is generally accepted that these cells play a dominant role in the destruction of connective tissue by virtue of the proteinases they release and the free o...

journal_title：Journal of periodontology

authors： Goultschin J,Levy H

更新日期：1986-07-01 00:00:00

abstract：:This paper briefly reviews the historical relationship between oral medicine and periodontics. The reasons for including structured clinical oral medicine in a postdoctoral program in periodontics are discussed. Problems and solutions to such an integrated program are outlined. Guidelines for broadening the base of th...

journal_title：Journal of periodontology

authors： Hurt WC

更新日期：1986-07-01 00:00:00

abstract：:A retrospective study of tooth loss in 211 patients who were treated for periodontal disease in private practice and maintained for 15 to 34 years on 3- to 6-month recall schedules is reported. The average age of the patients was 42 years, and the average length of time in maintenance was 22 years. On the basis of res...

journal_title：Journal of periodontology

authors： Goldman MJ,Ross IF,Goteiner D

更新日期：1986-06-01 00:00:00

abstract：:An intraindividual double-blind crossover study was designed in order to see if a 1% chlorhexidine gel used twice a day could substitute for ordinary toothpaste in group of maintenance-care patients with poor oral hygiene. Twenty patients from a student clinic participated, each with a long history of maintenance-care...

journal_title：Journal of periodontology

authors： Lie T,Enersen M

更新日期：1986-06-01 00:00:00

abstract：:Fourteen defects were treated with flap debridement procedures using the Prichard principle of epithelial exclusion. Six defects were considered to be medium in width (3-4 mm), seven defects were wide (greater than 4 mm), and one defect was narrow (1-2 mm). The parameters studied were changes in gingival and plaque sc...

journal_title：Journal of periodontology

authors： Becker W,Becker BE,Berg L,Samsam C

更新日期：1986-05-01 00:00:00

abstract：:Formation of the junctional epithelium was studied by routine light microscopy in the molar teeth of commercially slaughtered pigs. It was found that the process whereby the reduced enamel epithelium (REE) contributed to the junctional epithelium formation corresponded largely with changes in man previously described ...

journal_title：Journal of periodontology

authors： Spouge JD

更新日期：1986-03-01 00:00:00

abstract：:The feasibility of a new combined collagen gel-autolysed antigen-extracted allogeneic bone implant was tested. Its effect on gaining new attachment in surgically created defects in four dogs was evaluated over 24 weeks. As controls, sites receiving implants of the bone implant alone, nonimplanted and untreated defects...

journal_title：Journal of periodontology

authors： Blumenthal N,Sabe T,Barrington E

更新日期：1986-02-01 00:00:00

abstract：:Oral melanin pigmentation is not uncommon in some races and ethnic groups. Repigmentation of depigmented oral mucosa has been described after chemical, thermal, surgical, pharmacologic or idiopathic factors. Information on the repigmentation of oral tissues after surgical procedures is extremely limited. The communica...

journal_title：Journal of periodontology

authors： Perlmutter S,Tal H

更新日期：1986-01-01 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：:Studies of the inductive properties of human dentin and cementum have yielded differing results. Comparisons are difficult to draw because of variations in time, donor tissue, host immunologic status, implant site, decalcifying agents and degree of decalcification. Analysis of the many experiments intimates that the a...

journal_title：Journal of periodontology

authors： Morris ML

更新日期：1985-11-01 00:00:00

abstract：:A 4-quadrant, single-blind study was designed to test the efficacy of periodontal disease therapy by local drug delivery. A delivery system made of extruded ethylene vinyl acetate fibers loaded with 25% USP tetracycline hydrochloride was placed and maintained in periodontal pockets for 10 days. The clinical effects of...

journal_title：Journal of periodontology

authors： Goodson JM,Hogan PE,Dunham SL

更新日期：1985-11-01 00:00:00

abstract：:Defects in neutrophil or polymorphonuclear leukocyte (PMNL) chemotaxis have been observed in a number of clinical conditions, including Down's syndrome and insulin-dependent diabetes mellitus (IDDM), which tend to be associated with severe forms of periodontal disease. In addition, impaired PMNL chemotaxis is frequent...

journal_title：Journal of periodontology

authors： Iacono VJ,Singh S,Golub LM,Ramamurthy NS,Kaslick R

更新日期：1985-11-01 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：:The levels of serum antibody reactive to selected periodontopathogens were determined in 182 clinically characterized patients: 35 healthy control, 50 juvenile periodontitis, 42 adult periodontitis and 55 rapidly progressive periodontitis. Reactive antibody levels were determined using an enzyme-linked immunosorbent a...

journal_title：Journal of periodontology

authors： Vincent JW,Suzuki JB,Falkler WA Jr,Cornett WC

更新日期：1985-08-01 00:00:00

abstract：:A new technique for the removal of phenytoin hyperplasia using the carbon dioxide (CO2) surgical laser is presented as well as a review of laser physics and the current uses of the CO2 laser in dentistry. Twelve cases of phenytoin hyperplasia removed surgically by the CO2 laser are presented; hence a laser gingivectom...

journal_title：Journal of periodontology

authors： Pick RM,Pecaro BC,Silberman CJ

更新日期：1985-08-01 00:00:00

abstract：:Ceramic grafting material was used to treat a vertical osseous defect associated with a maxillary left lateral incisor tooth. The area was monitored at maintenance appointments. Root resorption was detected radiographically 12 months after grafting. At 18 months, resorption was evident clinically in the presence of mo...

journal_title：Journal of periodontology

authors： Ibbott CG

更新日期：1985-07-01 00:00:00

abstract：:Examiner diagnostic accuracy and response times were compared using subtraction and conventional radiography in a dog model. Osseous lesions were induced interproximally and through the mandibular buccal bone interradicularly and radicularly. Standardized preoperative and postoperative conventional radiographs of the ...

journal_title：Journal of periodontology

authors： Rethman M,Ruttiman U,O'Neal R,Webber R,Davis A,Greenstein G,Woodyard S

更新日期：1985-06-01 00:00:00

abstract：:Periodontal pockets of 11 subjects were irrigated once with either 1.64% SnF2 or saline applied by syringe. Changes on the total anaerobic colony forming units (CFU) and black pigmented bacteroides (BPBs) of the irrigated pockets were assessed for 31 days. The results showed little change of the CFUs by either single ...

journal_title：Journal of periodontology

authors： Schmid E,Kornman KS,Tinanoff N

更新日期：1985-06-01 00:00:00

abstract：:A retrospective study was conducted of 620 patients in a periodontal practice over the years 1960 to 1982. Various periodontal therapies were assessed by using careful office protocols, meticulous record-keeping and well-defined outcome criteria. Four treatment outcome categories were used: two representing satisfacto...

journal_title：Journal of periodontology

authors： Meador HL,Lane JJ,Suddick RP

更新日期：1985-05-01 00:00:00