Common problems with statistical aspects of periodontal research papers.

abstract：BACKGROUND:The aims of this study are to determine whether the antigen-inexperienced (naive, CD45RB high-density) T-cell (CD4(+)CD45RB(High) T-cell) transfer model is associated with alveolar bone resorption, to elucidate the local osteogenic/adipogenic potential of alveolar bone marrow stromal cells (ABCs) from T-cell...

journal_title：Journal of periodontology

authors： Park JC,Kim BK,Jung IH,Choi E,Kim CS

更新日期：2014-09-01 00:00:00

abstract：BACKGROUND:A 22-year-old African American female was referred for augmentation of keratinized gingiva around implants at the right and left maxillary second premolar sites. Presurgical evaluation revealed generalized melanosis of the buccal gingiva and a lack of keratinized tissue around implants at sites #4 and #13. N...

journal_title：Journal of periodontology

authors： Holtzclaw D,Toscano NJ,Tal H

更新日期：2010-01-01 00:00:00

abstract：BACKGROUND:Bad breath is often caused by periodontitis and/or tongue coating. This study followed the impact of initial periodontal therapy on several halitosis-related outcome variables over a 6-month period. Organoleptic ratings are often uncomfortable for the patient and have several disadvantages. They are, for ins...

journal_title：Journal of periodontology

authors： Quirynen M,Zhao H,Soers C,Dekeyser C,Pauwels M,Coucke W,Steenberghe Dv

更新日期：2005-05-01 00:00:00

abstract：:In this investigation periodontal destruction was produced by a combination of inflammatory and traumatic factors. After the inflammation was resolved and the trama stopped, a significant amount of alveolar bone regeneration took place. The implications of these findings for the management of advanced periodontal dise...

journal_title：Journal of periodontology

authors： Kantor M,Polson AM,Zander HA

更新日期：1976-12-01 00:00:00

abstract：:The advent of AIDS has created patients fears regarding human tissue transfers, including bone grafts in dental surgery. In the face of these fears, alternative allograft materials are of increasing interest to clinicians. One such alternative is naturally derived xenogeneic hydroxyapatite (HA). In this study, two pat...

journal_title：Journal of periodontology

authors： Callan DP,Rohrer MD

更新日期：1993-06-01 00:00:00

abstract：:Obtaining predictable root coverage has become an important part of periodontal therapy. The purpose of this study was to compare two techniques of obtaining root coverage. The two techniques were the connective tissue with partial-thickness double pedicle graft and guided tissue regeneration with a bioabsorbable poly...

journal_title：Journal of periodontology

authors： Harris RJ

更新日期：1997-08-01 00:00:00

abstract：BACKGROUND:The purpose of this clinical study was to evaluate the possible influence of testosterone hormone on common clinical measurements of periodontal disease in men with hypergonadotropic hypogonadism. METHODS:Twenty-four hypergonadotropic hypogonadal men (H) and 24 systemically healthy men (S) were divided into...

journal_title：Journal of periodontology

authors： Daltaban O,Saygun I,Bolu E

更新日期：2006-07-01 00:00:00

abstract：BACKGROUND:Chewing of areca quid increases the prevalence of periodontal diseases. Areca nut extract (ANE) inhibits the phagocytic activity of human neutrophils. This in vitro study investigates the effects of ANE on complement- and antibody-opsonized phagocytosis by neutrophils. Expression of complement receptors, Fc ...

journal_title：Journal of periodontology

authors： Lee YY,Lin MB,Cheng CF,Chang LY,Liu TY,Hung SL

更新日期：2014-08-01 00:00:00

abstract：BACKGROUND:Porphyromonas gingivalis (Pg) is a major etiologic agent of periodontitis, whose virulence has been attributed to different factors, including lipopolysaccharide (LPS). Vascular ectopic calcification as a well-known major risk factor for adverse cardiovascular diseases is a highly prevalent vascular pathophe...

journal_title：Journal of periodontology

authors： Liu G,Deng J,Zhang Q,Song W,Chen S,Lou X,Zhang P,Pan K

更新日期：2016-07-01 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：BACKGROUND:Neutrophils (PMNs) are critical components of the innate immune system and help to maintain oral health in the face of a constant bacterial challenge. However, along with protecting the periodontium from microbial invasion, these cells release potent lysosomal enzymes and oxygen radicals that can be destruct...

journal_title：Journal of periodontology

authors： Johnstone AM,Koh A,Goldberg MB,Glogauer M

更新日期：2007-09-01 00:00:00

abstract：:A rotation flap for covering denuded single root surfaces with attached gingiva has been described and illustrated. This was performed utilizing a closed wound technique. The single flap provided attached gingiva coverage for a moderate area while a double flap provided coverage for a larger area. Although more attach...

journal_title：Journal of periodontology

authors： Patur B

更新日期：1977-01-01 00:00:00

abstract：:A new flap design for placement of implants into osseous defects has been described. The flap design can be used in anterior and posterior areas of human subjects. Photographs of representative cases are presented. Wound healing always occurred by primary intention and without evidence of immediate graft exfoliation. ...

journal_title：Journal of periodontology

authors： Takei HH,Han TJ,Carranza FA Jr,Kenney EB,Lekovic V

更新日期：1985-04-01 00:00:00

abstract：:Palatal groove is a rare morphological defect of upper incisors, frequently associated with localized destruction of periodontal tissue with endodontic complications. In this study, a sample of 1,081 male, young adult subjects, aged 20 to 22, palatal grooving was recorded in 11 (1.01%) subjects, affecting 15 incisors....

journal_title：Journal of periodontology

authors： Bacić M,Karakas Z,Kaić Z,Sutalo J

更新日期：1990-03-01 00:00:00

abstract：:This study investigates the effects of the placement of a bioresorbable Type I collagen barrier on clinically healthy sites. Ten human subjects, with at least one pair of matched periodontal defects included in a previous study, were investigated for the effect of guided tissue regeneration (GTR) membrane placement on...

journal_title：Journal of periodontology

authors： Stein MD,Salkin LM,Freedman AL

更新日期：1993-01-01 00:00:00

abstract：:A review of hereditary hemorrhagic telangiectasia (Osler-Weber-Rendu Disease) is presented. Special emphasis is placed on the oral manifestations which include hemorrhagic vesicles, nodules, papules and ulcers that involve the gingiva and other areas of the mucosa. Two cases are included which were seen in a periodont...

journal_title：Journal of periodontology

authors： Bartolucci EG,Swan RH,Hurt WC

更新日期：1982-03-01 00:00:00

abstract：BACKGROUND:Periodontal disease has been associated with cardiovascular disorders with an atherosclerotic background, and number of teeth (NT) has been suggested as a possible risk indicator for cardiovascular disease. The objective of this study is to investigate whether NT was related to the intima-media thickness (IM...

journal_title：Journal of periodontology

authors： Holmlund A,Lind L

更新日期：2012-03-01 00:00:00

abstract：BACKGROUND:Previous studies have shown an association between a specific genotype for the inflammatory cytokine interleukin (IL)-1 and the severity of periodontal disease. The purpose of this study was to evaluate the effect of the IL-1 genotype on the outcomes of periodontal surgical regenerative treatment with bone r...

journal_title：Journal of periodontology

authors： Weiss OI,Caton J,Blieden T,Fisher SG,Trafton S,Hart TC

更新日期：2004-10-01 00:00:00

abstract：BACKGROUND:Periodontitis is a suspected environmental risk factor for the development of rheumatoid arthritis (RA). However, correlation mechanisms between the two pathologies remain elusive. This study examined potential correlations between detached subgingival bacteria collected in gingival crevicular fluid (GCF) an...

journal_title：Journal of periodontology

authors： Manoil D,Bostanci N,Mumcu G,Inanc N,Can M,Direskeneli H,Belibasakis GN

更新日期：2020-07-31 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：:One hundred mandibles of South African Negroes were examined for the presence of intrabony defects, and the distance between the cemento-enamel junction and alveolar bone crest was measured along the buccal and lingual surface of roots associated with interdental craters. Two-hundred thirty-one intrabony defects were ...

journal_title：Journal of periodontology

authors： Tal H

更新日期：1984-03-01 00:00:00

abstract：BACKGROUND:Low-calorie diets are commonplace for reducing body weight. However, no information is available on the effects of a reduced-calorie diet on periodontal inflammation and disease. The purpose of this study was to evaluate the clinical effects of a long-term calorie-restriction (CR) diet on periodontitis in an...

journal_title：Journal of periodontology

authors： Branch-Mays GL,Dawson DR,Gunsolley JC,Reynolds MA,Ebersole JL,Novak KF,Mattison JA,Ingram DK,Novak MJ

更新日期：2008-07-01 00:00:00

abstract：:The aim of this investigation was to induce alveolar bone defects experimentally in dogs and to study the effects of mechanical tooth cleaning on their subsequent development. Thirty premolars from four beagle dogs were used. Bone defects were created by surgically exposing the adjacent alveolar bone and applying stee...

journal_title：Journal of periodontology

authors： Hugoson A,Schmidt G

更新日期：1978-03-01 00:00:00

abstract：BACKGROUND:In Alabama, low birth weight (LBW) infants are about 20 times more likely to die before their first birthday compared to normal birth weight infants. While the rate of LBW has been consistently higher among African Americans compared to whites, there has been a gradual increase in LBW for both African Americ...

journal_title：Journal of periodontology

authors： Dasanayake AP,Boyd D,Madianos PN,Offenbacher S,Hills E

更新日期：2001-11-01 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：: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：BACKGROUND:A specific composite genotype of the polymorphic interleukin-1 (IL-1) gene cluster has recently been associated with severe periodontitis. One polymorphism of the composite periodontitis-associated genotype (PAG) has been functionally linked with expression of high levels of IL-1. The purpose of this study w...

journal_title：Journal of periodontology

authors： Engebretson SP,Lamster IB,Herrera-Abreu M,Celenti RS,Timms JM,Chaudhary AG,di Giovine FS,Kornman KS

更新日期：1999-06-01 00:00:00

abstract：:Among the pseudocysts of the jaws, the traumatic bone cyst is known as an asymptomatic lesion often noted unintentionally during routine radiographic examinations. The lesion neither devitalizes the teeth within its borders, nor does it cause resorption of their roots. The well-demarcated traumatic bone cyst often pro...

journal_title：Journal of periodontology

authors： Rosen DJ,Ardekian L,Machtei EE,Peled M,Manor R,Laufer D

更新日期：1997-10-01 00:00:00

abstract：BACKGROUND:This study explored which factors affected patients' decisions to pursue either surgical or non-surgical periodontal treatment. METHODS:Data were collected from 74 patients at a regularly scheduled periodontal appointment, at which each patient was told that periodontal treatment was needed, and 2 weeks fol...

journal_title：Journal of periodontology

authors： Patel AM,Richards PS,Wang HL,Inglehart MR

更新日期：2006-04-01 00:00:00

abstract：:The laser reflection method of remote measurement was used to register small tooth movements of upper central incisors from a group of subjects with healthy teeth and another group with periodontally involved teeth. The mobility of the healthy maxillary incisors over a period of 24 hours was well within normal limits....

journal_title：Journal of periodontology

authors： Rydén H,Bjelkhagen H,Söder PO

更新日期：1982-07-01 00:00:00