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International Journal of Periodontics & Restorative Dentistry

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https://www.readbyqxmd.com/read/27977829/effect-of-lining-materials-on-shear-bond-strength-for-composite-restorations-in-vitro
#1
Taciana Marco Caneppele, Eduardo Bresciani, Daniele Mara Da Silva Ávila, Daphne Camara Barcellos, Cesar Rogério Pucci
This study evaluated the influence of liner agents placed under resin composite restorations on shear bond strength (SBS) to dentin. A total of 40 extracted bovine incisors were used. Enamel surfaces were ground to expose a flat dentin area of 7 mm in diameter. Teeth were divided into four groups according to tested liners: Group 1 (control) used no liner; Group 2 used a resin-modified glass-ionomer cement liner (Vitrebond Plus, 3M ESPE); Group 3 used a light-activated calcium hydroxide resin liner (Ultra-Blend Plus, Ultradent); and Group 4 used a polyacrylic acid surface treatment + conventional glass-ionomer cement liner (Vidrion F, SSWhite)...
January 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27977828/modified-lip-repositioning-with-esthetic-crown-lengthening-a-combined-approach-to-treating-excessive-gingival-display
#2
Isis M Sánchez, Sadja Gaud-Quintana, Jacob K Stern
Lip repositioning surgery to address excessive gingival display induced by different etiologies has received major attention recently. Several techniques and variations have been reported, including myotomy or repositioning of the levator labii superioris muscle, Le Fort impaction, maxillary gingivectomies, botulinum toxin injections, and lip stabilization. This study reports a case of excessive gingival display treated by a modified combined approach. A 25-year-old woman with a 4- to 8-mm gingival display when smiling caused by a combination of short clinical crowns induced by an altered passive eruption and hypermobility of the upper lip underwent a staged esthetic crown-lengthening procedure followed by a modified lip repositioning technique...
January 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27977827/minimally-invasive-sinus-augmentation-procedure-using-a-dedicated-hydraulic-sinus-lift-implant-device-a-prospective-case-series-study-on-clinical-radiologic-and-patient-centered-outcomes
#3
Marco Tallarico, Silvio Mario Meloni, Erta Xhanari, Milena Pisano, David L Cochran
The aim of this study was to evaluate clinical and radiologic outcomes of a novel device that allows simultaneous hydraulic sinus membrane elevation, bone grafting, and implant placement. A sample of 18 consecutive participants with severe atrophy of the posterior maxilla underwent transcrestal elevation of the sinus membrane and implant placement. At the 6-month follow-up, the following parameters were assessed: implant success, any complications, marginal bone loss (MBL), three-dimensional (3D) graft measurements, implant stability quotient (ISQ), and graft density...
January 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27977826/xenogeneic-collagen-matrix-versus-connective-tissue-graft-case-series-of-various-gingival-recession-treatments
#4
Grégoire Chevalier, Selma Cherkaoui, Hanna Kruk, Xavier Bensaïd, Marc Danan
A xenogeneic collagen matrix recently has been suggested as an alternative to connective tissue graft for the treatment of gingival recession. The matrix avoids the second surgical site, and as a consequence could decrease surgical morbidity. This new matrix was used in various clinical situations and compared to connective tissue graft (CTG) in a split-mouth design case series. A total of 17 recessions were treated with a coronally advanced flap, 9 with CTG, and 8 with the matrix. Mean recession reduction was 2...
January 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27977825/microsurgical-instruments-in-laterally-moved-coronally-advanced-flap-for-miller-class-iii-isolated-recession-defects-a-randomized-controlled-clinical-trial
#5
Onur Ucak, Mustafa Ozcan, Gulsah Seydaoglu, M Cenk Haytac
The aim of this study was to evaluate the laterally moved coronally advanced flap (LMCAF) technique in which magnified vision was used in conjunction with microsurgical instruments (LMCAF-M), and to compare the results with conventional LMCAF technique (LMCAF-C) in Miller Class III isolated recession-type defects. A total of 50 patients with recessions located at incisors and canines were treated with LMCAF-M or LMCAF-C. Outcome parameters (complete root coverage [CRC] and mean root coverage [MRC]) were assessed 6 months postoperatively...
January 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27977824/soft-tissue-closure-of-grafted-extraction-sockets-in-the-anterior-maxilla-a-modified-palatal-pedicle-connective-tissue-flap-technique
#6
Edgard El Chaar, Sarah Oshman, Giuseppe Cicero, Alejandro Castano, Cinzia Dinoi, Leila Soltani, Yoonjung Nicole Lee
Localized ridge resorption, the consequence of socket collapse, following tooth extraction in the anterior maxilla can adversely affect esthetics, function, and future implant placement. Immediate grafting of extraction sockets may help preserve natural ridge contours, but a lack of available soft tissue can compromise the final esthetic outcome. The presented modified rotated palatal pedicle connective tissue flap is a useful technique for simultaneous soft tissue coverage and augmentation of grafted sockets to improve esthetic outcome...
January 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27977823/histologic-and-clinical-study-of-gingival-recession-treated-with-subepithelial-connective-tissue-graft-a-case-report
#7
Ana-María García-De-la-Fuente, Luis Antonio Aguirre-Zorzano, Ruth Estefanía-Fresco, Laia Roig Ódena, José-Manuel Aguirre-Urizar
Subepithelial connective tissue graft (SCTG) is considered the gold standard for treatment of gingival recessions. For ethical reasons, most studies report only clinical and not histologic results. A 20-year-old woman presenting with a localized gingival recession of 5 mm in the mandibular left central incisor was treated with SCTG. According to the initial treatment plan, the tooth was extracted 11 months later and a histologic study was performed, revealing new attachment of connective tissue with collagen fibers that were directly inserted in a perpendicular way into dentin areas and new cement areas (1...
January 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27977822/a-new-approach-for-the-treatment-of-lateral-periodontal-cysts-with-an-810-nm-diode-laser
#8
Gaetano Isola, Giovanni Matarese, Giuseppe Lo Giudice, Francesco Briguglio, Angela Alibrandi, Andrea Crupi, Giancarlo Cordasco, Luca Ramaglia
The aim of this study was to test whether the combination of diode laser therapy and surgical treatment for a lateral periodontal cyst (LPC) would result in greater clinical improvement compared with surgery alone. A total of 18 patients with LPCs were assessed for eligibility for this study. At baseline, each patient was randomly allocated to one of two regimens: diode laser plus surgery (test group) or traditional surgical treatment alone (control group). Healing parameters were assessed at 7 to 21 days to monitor short-term complications, and periodontal parameters were assessed at 3, 6, and 12 months to evaluate long-term healing...
January 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27977821/a-possible-link-between-rheumatoid-arthritis-and-periodontitis-a-systematic-review-and-meta-analysis
#9
Qingqin Tang, Haitao Fu, Baodong Qin, Zhide Hu, Yaoting Liu, Yan Liang, Lin Zhou, Zaixing Yang, Renqian Zhong
Previous studies have shown that patients with rheumatoid arthritis (RA) have a higher susceptibility to periodontitis, but the results of individual studies remain controversial. The aim of the present meta-analysis was to comprehensively evaluate the association between RA and periodontitis. A systematic literature search was conducted in PubMed and EMBASE. Data were extracted using standardized forms, and odds ratios (OR) with 95% confidence intervals (CI) were calculated for each study. Pooled data were estimated by fixed- and random-effects models if appropriate...
January 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27977820/immediate-loading-of-single-implants-a-2-year-prospective-multicenter-study
#10
Carlo Mangano, Filiep Raes, Carolina Lenzi, Tammaro Eccellente, Michele Ortolani, Giuseppe Luongo, Francesco Mangano
The aim of this prospective multicenter study was to evaluate the outcomes of single implants subjected to immediate functional loading. Inclusion criteria were single-tooth placement in postextraction sockets or fully healed sites, and sufficient bone height and width to place an implant of at least 3.5 × 10.0 mm. All implants were functionally loaded immediately after placement and followed for 2 years. Outcome measures were implant survival, complications, and peri-implant marginal bone loss (MBL). A total of 57 implants (38 maxilla, 19 mandible) were placed in 46 patients (23 men, 23 women, aged 18-73 years)...
January 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27977819/clinical-periodontal-response-to-anterior-all-ceramic-crowns-with-either-chamfer-or-feather-edge-subgingival-tooth-preparations-six-month-results-and-patient-perception
#11
Gianluca Paniz, Jose Nart, Luca Gobbato, Fabio Mazzocco, Edoardo Stellini, Giacomo De Simone, Eriberto Bressan
Subgingival margins are often required for biologic, mechanical, or esthetic reasons. Several investigations have demonstrated that their use is associated with adverse periodontal reactions, such as inflammation or recession. The purpose of this prospective randomized clinical study was to determine if two different subgingival margin designs influence the periodontal parameters and patient perception. Deep chamfer and feather-edge preparations were compared on 58 patients with 6 months follow-up. Statistically significant differences were present for bleeding on probing, gingival recession, and patient satisfaction...
January 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27977815/a-prospective-clinical-and-radiographic-assessment-of-platform-switched-laser-microchannel-implants-placed-in-limited-interimplant-spaces
#12
Myron Nevins, Sonia Leziy, Eric Kerr, Ulrich Janke, Giulio Rasperini, James Hanratty, Kirk Pasquinelli, Tiziano Testori, Cary A Shapoff, David M Kim
This multicenter clinical trial of platform-switched laser-microchannel implants supports findings from a previous preclinical trial. Previous information indicated that an interimplant distance narrower than 3 mm would result in decrease in the crestal bone level, but the results of this investigation suggest that a more optimistic clinical result can be anticipated for implants and abutments with a laser-microchannel surface.
January 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27977814/clinical-evaluation-of-the-influence-of-connection-type-and-restoration-height-on-the-reliability-of-zirconia-abutments-a-retrospective-study-on-965-abutments-with-a-mean-6-year-follow-up
#13
Giacomo Fabbri, Mauro Fradeani, Gianluca Dellificorelli, Marco De Lorenzi, Fernando Zarone, Roberto Sorrentino
This multicenter retrospective clinical study aimed to evaluate the clinical performance of zirconia abutments in anterior and posterior regions, focusing on implant-abutment connections and restoration vertical height (RVH). Six experienced prosthodontists used 965 computer-aided design/computer-assisted manufacture zirconia abutments in 601 patients. Different surgical approaches were taken according to the needs of each patient. The final restorations were all-ceramic single crowns and short-span fixed dental prostheses...
January 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27977813/papilla-reformation-at-single-tooth-implant-sites-adjacent-to-teeth-with-severely-compromised-periodontal-support
#14
Istvan A Urban, Perry R Klokkevold, Henry H Takei
Reformation of the lost interdental papilla remains one of the most challenging goals for clinicians. When a single tooth is replaced with an implant, the papilla between the tooth and the implant can often be maintained or predictably reformed as long as the adjacent tooth's periodontal attachment and bone are preserved. However, if the periodontal support is compromised on the neighboring natural tooth, the papilla will often be deficient or missing. The cases presented herein demonstrate long-term follow-up of successful reformation of periodontal/peri-implant tissue contours, including reconstruction of lost interproximal bone and papilla at periodontally compromised sites using a combined hard and soft tissue surgical approach...
January 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27922642/threshold-values-for-the-perception-of-color-changes-in-human-teeth
#15
Daniel S Thoma, Alexis Ioannidis, Vincent Fehmer, Gioia Michelotti, Ronald E Jung, Irena Sailer
The aim of the present study was to assess the threshold values for color changes on the level of the tooth separately for laypeople, dentists, and dental technicians. Standardized presentations were made of five cases (maxilla, left to right lateral incisors) with the gingiva and teeth separated. The color parameters L (lightness), a, and b (chroma) (CIE L*a*b* parameters) of the tooth layers were adjusted to induce darker and lighter colors. In the presentations, the left part of the pictures (maxillary right central and lateral incisors) was unchanged, whereas the right part was modified...
November 2016: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27740655/fracture-strength-failure-types-and-weibull-characteristics-of-three-unit-zirconia-fixed-dental-prostheses-after-cyclic-loading-effects-of-veneering-and-air-abrasion-protocols
#16
Fernanda Campos, Rodrigo Oa Souza, Marco A Bottino, Mutlu Özcan
The required connector dimension for zirconia fixed dental prostheses (FDPs) may be a clinical limitation due to limited space in the occlusogingival direction. Using no veneering in the gingival regions of the pontics and connectors may solve this problem. This study evaluated the mechanical durability of zirconia FDPs with and without veneering in the gingival area of the connectors and pontics and subsequent air abrasion of this region with different protocols. Models were made of resin abutments (diameter = 6 or 8 mm, height = 6 mm, 6 degrees convergence) and embedded in polyurethane resin (distance = 11 mm)...
November 2016: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27740654/extraction-socket-management-with-buccal-plate-expansion-preliminary-results-of-a-novel-technique
#17
Alberto Fernandez Ayora, Oscar González-Martín, Eric Rompen, Geoffrey Lecloux, France Lambert
The primary objective of this pilot study was to evaluate a new socket preservation technique involving the intentional expansion of the extraction socket buccal plate using a flapless internal corticotomy and biomaterials. A total of 11 patients requiring tooth extraction were enrolled in this study. The aim of this technique was to maintain or improve the hard and soft tissue contour of the ridge after tooth extraction. All surgical sites healed uneventfully. Significant alveolar bone dimension changes were observed in the coronal region of the ridge (-1...
November 2016: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27740653/saving-an-integrating-implant-involved-with-endodontic-implant-pathology-using-surgical-treatment
#18
Shin Hye Chung, Young-Seok Park, Kwang-Shik Bae, Seung-Ho Baek, Kee-Yeon Kum, Woocheol Lee, Won-Jun Shon
Endodontic implant pathology (EIP) refers to cases in which endodontic infections cause infections in adjacent implants, and vice versa. This case report demonstrates the successful resolution of two types of EIPs, implant endodontitis and endodontic implantitis, by endodontic intervention with surgical treatment. In case 1, the patient complained of tooth discomfort after implant placement in the adjacent tooth. The tooth was sensitive to percussion and showed slight mobility with a negative reaction to an electric pulp test...
November 2016: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27740652/maxillary-sinus-elevation-surgery-with-chronos-and-autogenous-bone-graft-analysis-of-histometric-and-volumetric-changes
#19
Rodrigo Dos Santos Pereira, Fernanda Brasil Boos, Luis Fernado Gorla, Idelmo Rangel Garcia, Roberta Okamoto, Eduardo Hochuli-Vieira
The aim of this study was to compare the bone resorption rate and histometry of ChronOS, a beta-tricalcium phosphate (β-TCP), mixed with autogenous bone grafts (1:1) with that of autogenous bone grafts alone in maxillary sinus elevation surgery. A total of 12 maxillary sinuses were grafted with an autogenous bone graft (control group) and 9 with ChronOS mixed with an autogenous bone graft (test group). Postoperative cone beam computed tomography (CBCT) was used to measure the initial graft volume after 15 days (T₁), and 6 months later another CBCT scan was performed to evaluate the final graft volume (T₂) and determine the graft resorption rate...
November 2016: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27740651/soft-tissue-volume-augmentation-using-connective-tissue-grafts-via-apical-pouch-technical-considerations-and-case-reports
#20
Paul P Lin, Lewis Claman, Hua-Hong Chien
The success of dental implant therapy in the esthetic zone requires not only functional osseointegration but also favorable esthetic results. The greatest challenge in the esthetic zone is to establish harmony, balance, and continuity of gingival form between implant restorations and the adjacent natural teeth. In the esthetic zone, a localized ridge defect or loss of a peri-implant papilla is common and can be corrected via soft tissue augmentation. This case report describes a novel surgical technique using connective tissue grafts via an apical pouch to increase soft tissue volume over an alveolar ridge defect or around natural teeth or implants in the maxillary anterior area...
November 2016: International Journal of Periodontics & Restorative Dentistry
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