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Journal of Periodontal & Implant Science

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https://www.readbyqxmd.com/read/30202609/real-time-pcr-quantification-of-9-periodontal-pathogens-in-saliva-samples-from-periodontally-healthy-korean-young-adults
#1
Heeyoung Choi, Eunhye Kim, Jihoon Kang, Hyun-Joo Kim, Ju-Youn Lee, Jeomil Choi, Ji-Young Joo
Purpose: Few studies have examined periodontal pathogens from saliva samples in periodontally healthy young adults. The purposes of this study were to determine the prevalence of periodontopathic bacteria and to quantify periodontal pathogens in saliva samples using real-time polymerase chain reaction (PCR) assays in periodontally healthy Korean young adults under 35 years of age. Methods: Nine major periodontal pathogens were analyzed by real-time PCR in saliva from 94 periodontally healthy young adults...
August 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/30202608/association-of-chairside-salivary-ammp-8-findings-with-periodontal-risk-assessment-parameters-in-patients-receiving-supportive-periodontal-therapy
#2
Gerhard Schmalz, Max Kristian Kummer, Tanja Kottmann, Sven Rinke, Rainer Haak, Felix Krause, Jana Schmidt, Dirk Ziebolz
Purpose: The aim of this retrospective cross-sectional study was to evaluate whether salivary findings of active matrix-metalloproteinase 8 (aMMP-8) chairside (point of care; POC) tests were associated with periodontal risk assessment parameters in patients receiving supportive periodontal therapy (SPT). Methods: A total of 125 patients receiving regular SPT were included, and their records were examined. The following inclusion criteria were used: a diagnosis of chronic periodontitis, at least 1 non-surgical periodontal treatment (scaling and root planning) with following regular SPT (minimum once a year), at least 6 remaining teeth, and clinical and aMMP-8 findings that were obtained at the same appointment...
August 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/30202607/alveolar-ridge-preservation-with-a-collagen-material-a-randomized-controlled-trial
#3
Sigmar Schnutenhaus, Isabel Doering, Jens Dreyhaupt, Heike Rudolph, Ralph G Luthardt
Purpose: Resorption of the alveolar bone is an unavoidable consequence of tooth extraction when appropriate alveolar ridge preservation (ARP) measures are not taken. The objective of this trial was to test the hypothesis that dimensional changes in the alveolar bone after tooth extraction would be reduced by inserting an equine collagen membrane and a collagen cone to fill and seal the alveolus (as ARP), in comparison to extraction with untreated alveoli. Methods: In this randomized clinical trial, 31 patients were directly treated with the collagen material after extraction of a tooth from the maxilla (the ARP group)...
August 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/30202606/effects-of-platelet-rich-plasma-on-tooth-replantation-in-dogs-a-histologic-and-histomorphometric-analysis
#4
Jun-Mo Yang, Keon-Il Yang, Kyung-Hyun Lee, Seong-Ho Choi, Byung-Ock Kim, Joo-Cheol Park, Sang-Joun Yu
Purpose: The purpose of this study was to evaluate the effects of platelet-rich plasma (PRP) on periodontal healing of replanted root surfaces in dogs histologically and histomorphometrically. Methods: A total of 36 roots of mandibular incisors and premolars from 6 mongrel dogs were used. The roots were randomly divided into 3 groups: 1) a positive control group (n=12), in which the periodontal ligament (PDL) and cementum were retained and the roots were soaked in saline; 2) a negative control group (n=12), in which the PDL and cementum were removed and the roots were soaked in saline; and 3) an experimental group (n=12), in which the PDL and cementum were removed and the roots were soaked in PRP...
August 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/30202605/factors-affecting-treatment-outcomes-in-patients-with-oral-lichen-planus-lesions-a-retrospective-study-of-113-cases
#5
Shin-Young Park, Hyo-Jung Lee, So-Hyun Kim, Sung-Beom Kim, Yong-Hoon Choi, Young-Kyun Kim, Pil-Young Yun
Purpose: Oral lichen planus (OLP) is a chronic oral mucosal disease that has been recognized as an immune condition. The purpose of this study was to evaluate factors affecting the clinical outcomes of topical corticosteroid application on OLP lesions using dexamethasone gargle and ointment. Methods: The charts of patients who were clinically diagnosed with OLP and treated with dexamethasone from July 2003 to August 2017 at the Section of Dentistry of Seoul National University Bundang Hospital were thoroughly evaluated to identify subjects who were suitable for this retrospective study...
August 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/30202604/spiral-scanning-imaging-and-quantitative-calculation-of-the-3-dimensional-screw-shaped-bone-implant-interface-on-micro-computed-tomography
#6
Jung-Yoo Chesaria Choi, Cham Albert Choi, In-Sung Luke Yeo
Purpose: Bone-to-implant contact (BIC) is difficult to measure on micro-computed tomography (CT) because of artifacts that hinder accurate differentiation of the bone and implant. This study presents an advanced algorithm for measuring BIC in micro-CT acquisitions using a spiral scanning technique, with improved differentiation of bone and implant materials. Methods: Five sandblasted, large-grit, acid-etched implants were used. Three implants were subjected to surface analysis, and 2 were inserted into a New Zealand white rabbit, with each tibia receiving 1 implant...
August 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/30202603/heat-not-burn-cigarettes-heat-up-controversy
#7
EDITORIAL
Tae-Il Kim
No abstract text is available yet for this article.
August 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29984049/guided-bone-regeneration-using-k-incision-technique
#8
Young-Dan Cho, Young Ku
Purpose: The present study describes 3 patients with chronic periodontitis and consequent vertical resorption of the alveolar ridge who were treated using implant-based restoration with guided bone regeneration (GBR). Methods: After extraction of a periodontally compromised tooth, vertical bone augmentation using a K-incision was performed at the healed, low-level alveolar ridge. Results: The partial-split K-incision enabled soft tissue elongation without any change in buccal vestibular depth, and provided sufficient keratinized gingival tissue during GBR...
June 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29984048/tissue-integration-of-zirconia-and-titanium-implants-with-and-without-buccal-dehiscence-defects
#9
Hyun-Chang Lim, Ronald Ernst Jung, Christoph Hans Franz Hämmerle, Myong Ji Kim, Kyeong-Won Paeng, Ui-Won Jung, Daniel Stefan Thoma
Purpose: The purpose of the present study was to validate an experimental model for assessing tissue integration of titanium and zirconia implants with and without buccal dehiscence defects. Methods: In 3 dogs, 5 implants were randomly placed on both sides of the mandibles: 1) Z1: a zirconia implant (modified surface) within the bony housing, 2) Z2: a zirconia implant (standard surface) within the bony housing, 3) T: a titanium implant within the bony housing, 4) Z1_D: a Z1 implant placed with a buccal bone dehiscence defect (3 mm), and 5) T_D: a titanium implant placed with a buccal bone dehiscence defect (3 mm)...
June 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29984047/a-radiographic-evaluation-of-graft-height-changes-after-maxillary-sinus-augmentation
#10
Do-Hyung Kim, Min-Jeong Ko, Jae-Hong Lee, Seoung-Nyum Jeong
Purpose: The aims of the present study were to quantitatively assess graft height changes after sinus lift procedures and to analyze the factors that influenced graft height changes, including the residual bone height before surgery, surgical approach, and tooth type. Methods: A total of 39 maxillary posterior implants placed during a simultaneous sinus lift procedure were evaluated. Panoramic radiographs of all patients were taken immediately after implant installation and at 3 months, 6 months, 1 year, 2 years, and 3 years...
June 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29984046/efficacy-of-an-led-toothbrush-on-a-porphyromonas-gingivalis-biofilm-on-a-sandblasted-and-acid-etched-titanium-surface-an-in-vitro-study
#11
Hae Lee, Yong-Gun Kim, Heung-Sik Um, Beom-Seok Chang, Si Young Lee, Jae-Kwan Lee
Purpose: The aim of this study was to evaluate the antimicrobial effect of a newly devised toothbrush with light-emitting diodes (LEDs) on Porphyromonas gingivalis attached to sandblasted and acid-etched titanium surfaces. Methods: The study included a control group, a commercial photodynamic therapy (PDT) group, and 3 test groups (B, BL, and BLE). The disks in the PDT group were placed in methylene blue and then irradiated with a diode laser. The B disks were only brushed, the BL disks were brushed with an LED toothbrush, and the BLE disks were placed into erythrosine and then brushed with an LED toothbrush...
June 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29984045/oral-tissue-response-to-soft-tissue-expanders-prior-to-bone-augmentation-in-vitro-analysis-and-histological-study-in-dogs
#12
Jung Min Yoo, Heithem Ben Amara, Min Kyoung Kim, Ju Dong Song, Ki-Tae Koo
Purpose: To determine whether the swelling and mechanical properties of osmotic self-inflating expanders allow or not the induction of intraoral soft tissue expansion in dogs. Methods: Three different volumes (0.15, 0.25, and 0.42 mL; referred to respectively as the S , M , and L groups) of soft tissue expanders (STEs) consisting of a hydrogel core coated with a silicone-perforated membrane were investigated in vitro to assess their swelling behavior (volume swelling ratio) and mechanical properties (tensile strength, tensile strain)...
June 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29984044/the-effects-of-ozone-therapy-as-an-adjunct-to-the-surgical-treatment-of-peri-implantitis
#13
Sila Cagri Isler, Berrin Unsal, Fatma Soysal, Gonen Ozcan, Elif Peker, Inci Rana Karaca
Purpose: The decontamination procedure is a challenging aspect of surgical regenerative therapy (SRT) of peri-implantitis that affects its success. The purpose of the present study was to determine the impact of additional topical gaseous ozone therapy on the decontamination of implant surfaces in SRT of peri-implantitis. Methods: A total of 41 patients (22 males, 19 females; mean age, 53.55±8.98 years) with moderate or advanced peri-implantitis were randomly allocated to the test group (ozone group) with the use of sterile saline with additional ozone therapy or the control group with sterile saline alone for decontamination of the implant surfaces in SRT of peri-implantitis...
June 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29984043/our-take-on-2018-journal-citation-reports
#14
EDITORIAL
Tae-Il Kim
No abstract text is available yet for this article.
June 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29770241/methods-for-quantitative-measurement-of-tooth-wear-using-the-area-and-volume-of-virtual-model-cusps
#15
Soo-Hyun Kim, Young-Seok Park, Min-Kyoung Kim, Sulhee Kim, Seung-Pyo Lee
Purpose: Clinicians must examine tooth wear to make a proper diagnosis. However, qualitative methods of measuring tooth wear have many disadvantages. Therefore, this study aimed to develop and evaluate quantitative parameters using the cusp area and volume of virtual dental models. Methods: The subjects of this study were the same virtual models that were used in our former study. The same age group classification and new tooth wear index (NTWI) scoring system were also reused...
April 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29770240/diagnosis-and-prediction-of-periodontally-compromised-teeth-using-a-deep-learning-based-convolutional-neural-network-algorithm
#16
Jae-Hong Lee, Do-Hyung Kim, Seong-Nyum Jeong, Seong-Ho Choi
Purpose: The aim of the current study was to develop a computer-assisted detection system based on a deep convolutional neural network (CNN) algorithm and to evaluate the potential usefulness and accuracy of this system for the diagnosis and prediction of periodontally compromised teeth (PCT). Methods: Combining pretrained deep CNN architecture and a self-trained network, periapical radiographic images were used to determine the optimal CNN algorithm and weights...
April 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29770239/comparison-of-marginal-bone-loss-between-internal-and-external-connection-dental-implants-in-posterior-areas-without-periodontal-or-peri-implant-disease
#17
Dae-Hyun Kim, Hyun Ju Kim, Sungtae Kim, Ki-Tae Koo, Tae-Il Kim, Yang-Jo Seol, Yong-Moo Lee, Young Ku, In-Chul Rhyu
Purpose: The purpose of this retrospective study with 4-12 years of follow-up was to compare the marginal bone loss (MBL) between external-connection (EC) and internal-connection (IC) dental implants in posterior areas without periodontal or peri-implant disease on the adjacent teeth or implants. Additional factors influencing MBL were also evaluated. Methods: This retrospective study was performed using dental records and radiographic data obtained from patients who had undergone dental implant treatment in the posterior area from March 2006 to March 2007...
April 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29770238/charlson-comorbidity-index-as-a-predictor-of-periodontal-disease-in-elderly-participants
#18
Jae-Hong Lee, Jung-Kyu Choi, Seong-Nyum Jeong, Seong-Ho Choi
Purpose: This study investigated the validity of the Charlson comorbidity index (CCI) as a predictor of periodontal disease (PD) over a 12-year period. Methods: Nationwide representative samples of 149,785 adults aged ≥60 years with PD (International Classification of Disease, 10th revision [ICD-10], K052-K056) were derived from the National Health Insurance Service-Elderly Cohort during 2002-2013. The degree of comorbidity was measured using the CCI (grade 0-6), including 17 diseases weighted on the basis of their association with mortality, and data were analyzed using multivariate Cox proportional-hazards regression in order to investigate the associations of comorbid diseases (CDs) with PD...
April 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29770237/quantitative-measurement-of-peri-implant-bone-defects-using-optical-coherence-tomography
#19
Sulhee Kim, Se-Ryong Kang, Hee-Jung Park, Bome Kim, Tae-Il Kim, Won-Jin Yi
Purpose: The purpose of this study was to visualize and identify peri-implant bone defects in optical coherence tomography (OCT) images and to obtain quantitative measurements of the defect depth. Methods: Dehiscence defects were intentionally formed in porcine mandibles and implants were simultaneously placed without flap elevation. Only the threads of the fixture could be seen at the bone defect site in the OCT images, so the depth of the peri-implant bone defect could be measured through the length of the visible threads...
April 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29770236/magnoliae-cortex-and-maize-modulate-porphyromonas-gingivalis-induced-inflammatory-reactions
#20
Jae-Yoon Kim, Kyoung-Hwa Kim, Eun-Hye Kwag, Yang Jo Seol, Yong Moo Lee, Young Ku, In-Chul Rhyu
Purpose: The aim of this study was to evaluate the capacity of single and combined applications of the bark of the stems and roots of Magnolia officinalis Rehd. et Wils. (Magnoliae Cortex) and Zea mays L. (maize) to modulate inflammation in RAW 264.7 cells stimulated with Porphyromonas gingivalis . Methods: RAW 264.7 cells were stimulated with P. gingivalis , and Magnoliae Cortex and/or maize was added. Cytotoxicity and the capacity to modulate inflammation were determined with a methylthiazol tetrazolium (MTT) assay, nitrite production, enzyme-linked immunosorbent assay (ELISA), and western blotting...
April 2018: Journal of Periodontal & Implant Science
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