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Implant aesthetics

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https://www.readbyqxmd.com/read/29763360/three-dimensional-finite-element-analisys-of-stress-distribution-in-zirconia-and-titanium-dental-implants
#1
Camilo Andres Villabona, Marco Antônio Amorin Vasco, Edwin Ruales, Karin Apaza Bedoya, Cesar Magalhães Benfatti, Osvaldo Luis Bezzon, Tatiana Miranda Deliberador
Zirconia has been presented as an alternative biomaterial to titanium, commercially presented as a single body implant and / or as an abutment, demonstrating clinically biocompatible favorable results in white and rose aesthetics, However, the amount of long-term in-vivo studies and mechanical tests evaluating the response of stress distribution compared with titanium implants are still limited. The aim of the study was to compare by the finite element method, the principal stresses peaks in the peri implantar bone around titanium and zirconia implants...
May 15, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29750759/immediate-two-stage-prosthetic-breast-reconstruction-failure-radiation-is-not-the-only-culprit
#2
Thomas C Lam, Robert Borotkanics, Frank Hsieh, James Salinas, John Boyages
BACKGROUND: Immediate prosthetic breast reconstruction produces a satisfactory aesthetic result with high levels of patient satisfaction. However, with the broader indication for post-mastectomy adjuvant radiation, many patients are advised against immediate breast reconstruction because of concerns of implant loss and infection particularly as most patients also require chemotherapy. This retrospective cohort study examines outcomes for patients who underwent immediate two-stage prosthetic breast reconstruction after mastectomy with or without adjuvant chemotherapy or radiotherapy (RT)...
March 15, 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29746276/deepithelialized-skin-reduction-preserves-skin-and-nipple-perfusion-in-immediate-reconstruction-of-large-and-ptotic-breasts
#3
Danielle H Rochlin, Dung H Nguyen
BACKGROUND: Women with large and/or ptotic breasts are often not considered candidates for nipple-sparing mastectomy (NSM) and/or immediate breast reconstruction given difficulties avoiding ischemic complications and achieving a favorable aesthetic result. We report a novel technique involving deepithelialized skin reduction to simultaneously reduce the skin envelope and preserve perfusion to the skin and nipple in immediate breast reconstruction for women that fit this high-risk anatomic profile...
April 30, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29713436/analysis-of-osteogenic-potential-on-3mol-yttria-stabilized-tetragonal-zirconia-polycrystals-and-two-different-niobium-oxide-containing-zirconia-ceramics
#4
Aung Thu Hein, Young-Dan Cho, Ye-Hyeon Jo, Dae-Joon Kim, Jung-Suk Han
PURPOSE: This study was performed to evaluate the osteogenic potential of 3mol% yttria-stabilized tetragonal zirconia polycrystals (3Y-TZP) and niobium oxide containing Y-TZPs with specific ratios, new (Y,Nb)-TZPs, namely YN4533 and YN4533/Al20 discs. MATERIALS AND METHODS: 3Y-TZP, YN4533 and YN4533/Al20 discs (15 mm diameter and 1 mm thickness) were prepared and their average surface roughness (Ra ) and surface topography were analyzed using 3-D confocal laser microscope (CLSM) and scanning electron microscope (SEM)...
April 2018: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29710686/capsular-fibrosis-in-aesthetic-and-reconstructive-cancer-patients-a-retrospective-analysis-of-319-cases
#5
Britta Kuehlmann, Rebekka Burkhardt, Nina Kosaric, Lukas Prantl
BACKGROUND: Implant-based breast augmentation is one of the most frequently performed operations in plastic surgery worldwide, for aesthetic and reconstructive reasons. Capsular fibrosis is the most common long-term foreign body response after breast implant augmentation. OBJECTIVE: To compare the occurrence of capsular contracture in aesthetic and reconstructive-cancer patients, including those patients who received radiotherapy prior to breast reconstruction with implants...
April 14, 2018: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29709430/evaluation-of-anatomical-and-round-breast-implant-aesthetics-and-preferences-in-dutch-young-lay-and-plastic-surgeon-cohort
#6
Patrick P Bletsis, Lesley R Bouwer, Klaas H Ultee, Michel Cromheecke, Berend van der Lei
BACKGROUND: Literature remains inconclusive on the attractiveness and natural aspect of anatomical breast implants, and thus far, studies have failed to demonstrate the visible difference in implants that are in practice compared to those that are round. This study was undertaken to evaluate (1) whether lay and professional participants can distinguish between breasts augmented with either round or anatomical breast implants and (2) their opinion with regard to naturalness and attractiveness of these augmented breasts...
April 16, 2018: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29707467/staged-prosthetic-reconstruction-with-fat-grafting-for-severe-depressive-breast-deformation-after-breast-conserving-therapy
#7
Takashi Fujiwara, Kenji Yano, Yoshio Tanji, Masaya Nomura
Breast-conserving therapy, where radiotherapy is performed after partial mastectomy, is a widely used surgical method that can preserve most of the breast tissue without increasing the recurrence rate of breast cancer. However, without reconstruction, asymmetry of the breast occurs due to the tissue defect and radiation fibrosis, producing in poor cosmetic results. In this case study, we performed staged prosthetic breast reconstruction combined with fat grafting for severe depressive deformation of the breast after breast-conserving therapy...
March 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29707444/applications-of-computer-technology-in-complex-craniofacial-reconstruction
#8
Kristopher M Day, Kyle S Gabrick, Larry A Sargent
Background: To demonstrate our use of advanced 3-dimensional (3D) computer technology in the analysis, virtual surgical planning (VSP), 3D modeling (3DM), and treatment of complex congenital and acquired craniofacial deformities. Methods: We present a series of craniofacial defects treated at a tertiary craniofacial referral center utilizing state-of-the-art 3D computer technology. All patients treated at our center using computer-assisted VSP, prefabricated custom-designed 3DMs, and/or 3D printed custom implants (3DPCI) in the reconstruction of craniofacial defects were included in this analysis...
March 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29707442/the-functional-impact-of-breast-reconstruction-an-overview-and-update
#9
Jonas A Nelson, Iris T Lee, Joseph J Disa
As rates of bilateral mastectomy and immediate reconstruction rise, the aesthetic and psychosocial benefits of breast reconstruction are increasingly well understood. However, an understanding of functional outcome and its optimization is still lacking. This endpoint is critical to maximizing postoperative quality of life. All reconstructive modalities have possible functional consequences. Studies demonstrate that implant-based reconstruction impacts subjective movement, but patients' day-to-day function may not be objectively hindered despite self-reported disability...
March 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29705398/a-systematic-review-and-meta-analysis-of-comparison-between-autologous-costal-cartilage-and-alloplastic-materials-in-rhinoplasty
#10
REVIEW
Xuebing Liang, Keming Wang, Sunitha Malay, Kevin C Chung, Jiguang Ma
BACKGROUND: Both autologous costal cartilage (ACC) and alloplastic materials are widely used in rhinoplasty. However, there is controversy regarding which material can offer the ideal outcome and fewer complications. OBJECTIVE: The authors review current literature to evaluate complication and satisfaction rates with different materials used in rhinoplasty. METHODS: A comprehensive literature search of articles was conducted in Embase and PubMed published through April 14, 2017...
April 11, 2018: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29700442/evidence-based-knowledge-on-the-aesthetic-and-maintenance-of-peri-implant-soft-tissues-osteology-foundation-consensus-report-part-3-aesthetics-of-peri-implant-soft-tissues
#11
(no author information available yet)
For single-tooth implants, the papilla height between an implant and a tooth is predominantly dependent on the clinical attachment level of the tooth. In cases with two adjacent implants, it is not possible to define the optimal horizontal distance between two adjacent implants restored with fixed dental prostheses.  et al.  2018; 29 (Suppl 15): 14-17.
April 27, 2018: British Dental Journal
https://www.readbyqxmd.com/read/29697648/-the-interdisciplinary-approach-to-the-rehabilitation-of-the-patients-presenting-with-congenital-atresia-of-the-external-auditory-canal-and-the-concomitant-microtia
#12
Kh M Diab, D N Nazaryan, N A Daikhes, A E Kharazyan, D S Kondratchikov, S V Yarantsev, O A Pashchinina, M M Cherninkiy
The objective of the present study was to develop and introduce into the clinical practice the method for the combined aesthetic and functional rehabilitation of the patients presenting with congenital atresia of the external auditory canal (CAEAC) and the concomitant microtia. A total of 8 patients at the age from 6 to 21 years with unilateral CAEAC and microtia were given the surgical treatment. During the intervention, atresia was resolved using the trans-mastoid approach, tympanoplasty of autofasciae and ossiculoplasty making use of the partial titanium prosthesis and the placement of cranial osteointegratable titanium implants...
2018: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/29682266/bone-regeneration-in-aesthetic-areas-using-titanium-micromesh-three-case-reports
#13
A Scarano, B Assenza, A DI Cerbo, V Candotto, P Santos DE Oliveira, F Lorusso
Purpose: An adequate bone volume for complete circumferential coverage of the implants is very important for obtaining a long-term success of oral implants. To avoid these problems various membranes and biomaterials were used, but soft tissue pressure could cause a membrane collapse toward the defect. The present work describes a ridge augmentation with titanium mesh shaped by adapting it to a bone defect in aesthetic areas. Materials and methods: Three patients with alveolar crest defects received three implants (Bone System, Milano, Italy) and the defects were filled with bone chips...
October 2017: Oral & Implantology
https://www.readbyqxmd.com/read/29682225/the-three-dimensional-reconstruction-of-the-jaw-with-bone-slat-technique-in-conjunction-with-third-molar-removal
#14
Mario Santagata, Atirge Cecere, Rosario V E Prisco, Gianpaolo Tartaro, Salvatore D'Amato
Background: The purpose of this study was to report the outcome of the management of both horizontal and vertical defects of alveolar crest using the bone slat technique approach in conjunction with third molar removal prior to implant placement in the aesthetic area. Methods: We present a 20-year-old female patient who lost a maxillary lateral incisor. The objective of treatment was to replace the lateral incisor with an implant-supported crown restoration without interfering with the integrity and topography of the adjacent gingival tissues...
September 2017: Annali di Stomatologia
https://www.readbyqxmd.com/read/29671940/a-long-term-prospective-cohort-study-on-immediately-restored-single-tooth-implants-inserted-in-extraction-sockets-and-healed-ridges-cbct-analyses-soft-tissue-alterations-aesthetic-ratings-and-patient-reported-outcomes
#15
Stefanie Raes, Aryan Eghbali, Vivianne Chappuis, Filiep Raes, Hugo De Bruyn, Jan Cosyn
BACKGROUND: Although many studies have been published on single implants, long-term data remain scarce. PURPOSE: To evaluate immediately restored single implants after at least 8 years of follow-up in terms of buccal bone, soft tissue alterations, aesthetic ratings, and patient-reported outcomes. MATERIALS AND METHODS: This prospective cohort study included patients who were consecutively treated with an immediately restored single implant installed in an extraction socket (IIT) or a healed ridge (CIT) in the anterior maxilla...
April 19, 2018: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29666911/dual-coverage-of-the-inferior-pole-with-conjoined-fascial-flap-and-acellular-dermal-matrix-for-immediate-one-stage-breast-reconstruction-with-a-prosthetic-implant
#16
Seo H Lee, Yong S Chun, Heung K Park, Yang W Kim, Young W Cheon
BACKGROUND: Elevation of a conjoined fascial flap composed of the pectoralis major, serratus anterior, and external oblique fascia is a type of surgical technique using autologous tissue to cover the lower pole after immediate one-stage direct-to-implant (DTI) breast reconstruction. However, volumetric breast implants hinder use of this technique alone. For better structural stability and more aesthetically favorable breast contour in large breasts, we have devised a technique involving dual coverage of the lower pole by a conjoined fascial flap and acellular dermal matrix (ADM)...
April 17, 2018: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29666713/comprehensive-treatment-of-severe-periodontal-and-periimplant-bone-destruction-caused-by-iatrogenic-factors
#17
Gregor-Georg Zafiropoulos, Andreas Parashis, Taha Abdullah, Evangelos Sotiropoulos, Gordon John
Dental implant success requires placement after periodontal therapy, with adequate bone volume, plaque control, primary stability, control of risk factors, and use of well-designed prostheses. This report describes the surgical and prosthetic management of a patient with severe iatrogenic periodontal/periimplant bone destruction. Methods. A 55-year-old female smoker with fixed partial dentures (FPDs) supported on teeth and implants presented with oral pain, swelling, bleeding, and a 10-year history of multiple implant placements and implants/prosthesis failures/replacements...
2018: Case Reports in Dentistry
https://www.readbyqxmd.com/read/29664868/active-transcutaneous-bone-conduction-implant-middle-fossa-placement-technique-in-children-with-bilateral-microtia-and-external-auditory-canal-atresia
#18
Carolina Der, Sofía Bravo-Torres, Nicolás Pons
AIM: The aim of this study is to present the middle fossa technique (MFT) as an alternative for patients who cannot undergo traditional surgery for active transcutaneous bone conduction implants (ATBCI) due to their altered anatomy or desire for future aesthetic reconstruction. DESIGN: A case series descriptive study was designed. The MFT was developed. Preoperative and postoperative information from 24 patients with external auditory canal atresia (EACA) and implanted with ATBCI was reviewed...
April 16, 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29662262/treatment-of-endo-periodontal-lesion-using-leukocyte-platelet-rich-fibrin-a-case-report
#19
Pablo Betancourt, Ricardo Elgueta, Ramon Fuentes
Case Description: The main objective of this paper was to report the clinical effectiveness of leukocyte- platelet- rich fibrin (L-PRF) in the treatment of a combined endo-periodontal lesion of an upper first premolar. Clinical Findings: The tooth had a profound abfraction on the vestibular aspect and presented no mobility but revealed a deep pocket measuring of 11 mm on the mesial vestibular aspect and 14 mm on the mesial palatine aspect. The three dimensional image analysis showed total bone loss in the mesial aspect and an extensively bone loss of the vestibular aspect of the vestibular root...
December 30, 2017: Colombia Médica: CM
https://www.readbyqxmd.com/read/29661677/orthodontic-periodontal-interactions-orthodontic-extrusion-in-interdisciplinary-regenerative-treatments
#20
Maria Giacinta Paolone, Roberto Kaitsas
Orthodontics is a periodontal treatment. "Guided orthodontic regeneration" (GOR) procedures use orthodontic movements in perio-restorative patients. The GOR technique includes a guided orthodontic "soft tissue" regeneration (GOTR) and a guided orthodontic "bone" regeneration (GOBR) with a plastic soft tissue approach and a regenerating reality. The increased amount of soft tissue gained with orthodontic movement can be used for subsequent periodontal regenerative techniques. The increased amount of bone can as well improve primary implant stability and, eventually, simplify a GTR technique to regenerate soft tissues, to restore tooth with external resorption in aesthetic zone or to extract a tooth to create new hard-soft tissue for adjacent teeth...
April 13, 2018: International Orthodontics
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