Carolina Santos Ventura de Souza, Bruno Costa Martins de Sá, Douglas Goulart, Gabriel Albuquerque Guillen, Felipe Germóglio C Macêdo, Claudio Ferreira Nóia
Objective: To assess bone thickness augmentation and implant survival in ridges with horizontal atrophy managed through split crest technique with concomitant installation of dental implants. Materials and Methods: Thirteen patients with maxillary bone atrophy underwent surgery and had their bone thickness assessed through cone beam computed tomography 6 months pre- and postoperatively. Comparative measurements of initial and final bone height and thickness were taken using Dolphin Imaging® 11...
December 2020: Journal of Maxillofacial and Oral Surgery
Yiqian Ying, Beibei Li, Changying Liu, Zuochun Xiong, Wei Bai, Jun Li, Pan Ma
The search for bone substitutes that are biodegradable, ensure space maintenance, and have osteogenic predictability, is ongoing in the field of sinus augmentation. We thus compared the bone regeneration potential of nanostructured sponges (NS-Sponge) with that of collagen-stabilized inorganic bovine bones (BO-Collagen), gelatin sponges (Gelatin), and blood clots (Cont) in sinus augmentation of rabbits. NS-Sponge was prepared by thermally induced phase separation with porogen leaching techniques. All the materials were non-hemolytic and cytocompatible...
October 15, 2020: Journal of Biomaterials Applications
H Karslioglu, A P Sumer
Background: To assess maxillary sinus findings using dental volumetric tomography before and after surgery in patients with dental implants in the maxillary posterior region with or without sinus floor elevation due to insufficient bone height. Materials and Methods: Cone-beam computerized tomography images taken for surgical planning before implantation and controlling after implantation were reviewed in 50 patients applied to the Department of Oral, Dental and Maxillofacial Surgery and Radiology of Dentistry Faculty at Ondokuz Mayıs University...
October 2020: Nigerian Journal of Clinical Practice
Anja Bernaerts, Lieven Barbier, Johan Abeloos, Tom De Backer, Frederik Bosmans, Filip M Vanhoenacker, Jan Casselman
With the introduction of cone beam computed tomography (CBCT) into dentistry in the 1990s, radiologists have become more frequently involved in dental implant planning. This article describes the information that should be included in a radiology report to achieve a successful implantation. The justification to use CBCT during the preoperative planning phase is based on the need to evaluate patient-specific anatomy in detail (general condition of the jaw, bone quantity, and bone quality), the application of more advanced surgical techniques (maxillary sinus augmentation procedure, zygomatic implants), and the integrated presurgical planning and virtual patient approach...
October 2020: Seminars in Musculoskeletal Radiology
Won-Bae Park, Young-Jin Kim, Yeek Herr, Hyun-Chang Lim
The aim of this case report was to report the course of treatment for advanced paranasal sinus infection triggered by peri-implantitis, managed using functional endoscopic sinus surgery (FESS), with outcomes. A nonsmoking male patient received sinus augmentation with implant placement on his left posterior maxilla 15 years ago. Possibly due to noncompliance to maintenance, peri-implantitis developed and progressed into the augmented bone area in the maxilla. Eventually, maxillary sinusitis occurred concomitantly with a spread of the infection to the other paranasal sinuses...
August 1, 2020: Journal of Oral Implantology
Giovanni Battista Menchini-Fabris, Paolo Toti, Giovanni Crespi, Ugo Covani, Roberto Crespi
BACKGROUND: The present study is designed to compare the outcomes of two sinus augmentation procedures: distal displacement of the anterior wall versus standard sinus lifting and grafting with a lateral window approach. METHODS: In the displacement group, a localized surgical fracture of the sinus floor achieved through an electromagnetic device results in the distal displacement of the anterior wall. In the filling group, sinus lifting (with lateral access) and grafting with particulate xenogeneic bone substitute was performed...
October 1, 2020: International Journal of Environmental Research and Public Health
J J Silberman, B I Moldauer, J Torres, C Gallardo, D Sanabria-Liviac
AIM: To report a case involving transantral palatal root piezoelectric surgery followed by a sinus floor augmentation procedure with the purpose of minimizing and managing complications associated with sinus lining perforations and optimizing bone regeneration at the site of the surgical defect. SUMMARY: An asymptomatic 28 -year -old male patient with the diagnosis of chronic apical periodontitis on a previous endodontically treated right maxillary first molar (FDI tooth 16) and second premolar (no...
October 4, 2020: International Endodontic Journal
Kelvin I Afrashtehfar, Joannis Katsoulis, Sreenivas Koka, Kensuke Igarashi
OBJECTIVE: This review primarily evaluated the success, survival and failure rates of implants shorter than 10 mm restored with single-unit or splinted fixed dental prostheses in maxillary sinus augmented sites. MATERIAL AND METHODS: Two reviewers independently performed the systematic search of electronic databases, including MEDLINE, EMBASE and CENTRAL, up to September 2019 with no language restriction. A supplemental hand search consisted of screening 13 journals...
September 28, 2020: Journal of Stomatology, Oral and Maxillofacial Surgery
Nashib Pandey, Sujaya Gupta, Ankit Shah, Anju Khapung, Bhageshwar Dhami
BACKGROUND: Among various replacement options available for maxillary molars, implants necessitate the need to examine available ridge height and width. Panoramic radiographs (orthopantomograms) are routinely used for preliminary determination of ridge height which is helpful in communicating with patients regarding treatment needs and options. This study was designed with the aim to assess the sub sinus ridge height at dentulous and edentulous first molar sites. METHODS: A cross-sectional study was conducted from March to November 2019 among patients visiting the dental college...
September 7, 2020: Journal of Nepal Health Research Council
Jinhee Ha, Jang-Ho Son, Iel-Yong Sung, Yeong-Cheol Cho, Jong-Ho Choi
Background/purpose: The maxillary sinus floor augmentation (MSFA) technique is frequently used for the preparation of implant sites in the maxillary region. The aim of this study was to investigate the 10-year outcome of dental implants placed in a grafted maxillary sinus, and identify possible risk factors for implant failure. Materials and methods: We retrospectively analyzed 202 implants after MSFA in 97 patients from January 2008 to April 2009. The outcome variables were 1) 10-year cumulative survival rate of the implant, 2) risk factors for implant failure, and 3) correlation between preoperative residual bone height (RBH) and graft materials in terms of implant survival...
September 2020: Journal of Dental Sciences
Hyun-Woo Kim, Kyeong-Ok Lim, Won-Pyo Lee, Yo-Seob Seo, Hong-In Shin, Seong-Ho Choi, Byung-Ock Kim, Sang-Joun Yu
Background/purpose: Due to the pneumatization of the maxillary sinus, the sinus floor augmentation is often performed to implant placement in the maxillary posterior region. The aim was to perform radiographic and histomorphometric evaluation after placement of mixed allografts (cortical freeze-dried bone allograft [FDBA] 50%:cancellous FDBA 50%) during sinus floor augmentation. Materials and methods: In 37 patients, anorganic bovine bone (ABB, sites = 16), mineralized cancellous bone allograft (MCBA, sites = 15), and mixed allografts (Mixed AG, sites = 20) were placed during sinus floor elevation via the lateral approach (LSFE), at total 51 sites with residual alveolar bone height (RBH) < 5 mm...
September 2020: Journal of Dental Sciences
Il Hwan Lee, Do Hyun Kim, Soo Whan Kim, Jun-Beom Park, Sung Won Kim
Background and objectives: The average rate of chronic sinusitis after maxillary implantation was approximately 5.1%. However, the evidence of predictive risk factors for sinusitis after implantation is lacking. The aim of this study was to perform an anatomic study on the maxillary sinus mucosal thickness (MSMT), the distance between the maxillary sinus ostium and sinus floor (MOD), and the MSMT/MOD ratio as a preoperative risk indicator for sinusitis after maxillary dental implantation. Materials and Methods: Between October 2008 and October 2019, all patients referred to the otolaryngology department were included in this study...
September 14, 2020: Medicina
Young Woo Song, Komoliddin Rafikov, Kyeong-Won Paeng, Myong Ji Kim, Jae-Kook Cha, Daniel S Thoma, Ronald E Jung, Ui-Won Jung
OBJECTIVE: to compare the efficacy of a collagenated synthetic bone substitute (C-SBS) to a particulated synthetic bone substitute (P-SBS) in volume maintenance and new bone formations in a rabbit sinus model. MATERIALS AND METHODS: Either C-SBS or P-SBS was grafted in both sinuses of 16 rabbits. Four (N = 8) or 12 (N = 8) weeks after the surgery, total augmented volume (TAV) and area (TAA), as well as new bone volume (NBV) and area (NBA), were statistically compared by radiographic and histomomertric analyses (p < 0...
September 5, 2020: Journal of Clinical Periodontology
Michael Zaninovich
AIMS: Immediate fixed full-arch implant-supported prosthetic rehabilitation of the severely atrophic maxilla is a challenging treatment modality with favourable patient interest. The delivery of the treatment is challenging due to the difficulty in providing adequate posterior implant positioning with high primary stability in the absence of alveolar bone distal to the maxillary lateral incisors. Current trends in posterior implant placement and immediate loading include the placement of zygomatic implants or distally tilted implants placed anterior to the sinus cavity...
2020: International journal of oral implantology
Panagiotis Dragonas, Theodoros Katsaros, Julie Schiavo, Pablo Galindo-Moreno, Gustavo Avila-Ortiz
PURPOSE: The evidence pertaining to the contribution of the sinus membrane to new bone formation following maxillary sinus augmentation procedures is equivocal. The purpose of this study was to analyse the evidence currently available on the osteogenic capacity of the sinus membrane following maxillary sinus augmentation procedures, and the effect of local delivery of recombinant human bone morphogenic proteins (rhBMPs) on the bone-forming potential of the sinus membrane. MATERIALS AND METHODS: An electronic search was conducted using six different databases to identify controlled trials, prospective and retrospective cohort studies, case series and case reports, as well as preclinical (animal) studies reporting on new bone formation in close proximity with the sinus membrane after maxillary sinus augmentation procedures, assessed through histological and/or histomorphometrical evaluation, on the basis of pre-established eligibility criteria...
2020: International journal of oral implantology
Kyeong-Jun Cheon, Byoung-Eun Yang, Seoung-Won Cho, Sung-Min Chung, Soo-Hwan Byun
The purpose of this study was to devise a classification and lateral window design method based on implants and to evaluate whether these classifications and methods are applicable to clinical practice. When applying the maxillary sinus elevation technique using the lateral window, possible situations were classified into four: (A) two or more sites for implants are required for maxillary sinus augmentation, (B) a single implant is required when there are no adjacent teeth, (C) a single implant is required when one adjacent tooth is present at the mesial or distal area, and (D) a single implant is required when both mesial and distal adjacent teeth are present...
August 31, 2020: International Journal of Environmental Research and Public Health
Emine Adali, Meltem Ozden Yuce, Tayfun Gunbay, Sevtap Gunbay
PURPOSE: Recent studies have shown that the use of platelet concentration products alone, or in combination with variable graft materials, accelerates the new bone formation associated with sinus augmentation. The aim of this study was to measure the adjunctive effects of concentrated growth factor (CGF) used with allograft on new bone formation and augmentation stability in sinus lifting. METHODS: This randomized controlled study included patients who presented for dental implant placement in atrophic posterior maxilla at the Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Ege University, and who needed maxillary sinus augmentation...
August 5, 2020: Journal of Oral and Maxillofacial Surgery
Shilpa S Dandekeri, Chethan Hegde, Pooja Kavassery, M K Sowmya, Bharathraj Shetty
Background: Augmentation of the maxillary sinus increases the lost height of ridge in the posterior maxilla. Bony convolutions from the floor of the sinus called septa may be encountered during the procedure and significantly impact the outcome of the procedure. Materials and Methods: For this retrospective study, 120 cone-beam computed tomography (CBCT) scans were collected from the archives of the department of oral radiology in the time period between January 2016 and August 2018...
January 2020: Annals of Maxillofacial Surgery
Oleksandr Shpachynskyi, Viacheslav Didkovskij, Andrii Kopchak
&lt;b&gt;Background:&lt;/b&gt; Restoration of the masticatory function in patients with edentulous posterior maxilla is often challenging due to the severe atrophy of the alveolar ridges and proximity of the maxillary sinus, resulting in insufficient bone quantity for implant-supported dentures. &lt;br&gt;&lt;b&gt;Aim:&lt;/b&gt; The purpose of this study was to analyze the changes in Schneiderian membrane thickness after lateral sinus floor augmentation (LSFA) using cone beam computed tomography (CBCT)...
June 3, 2020: Otolaryngologia Polska
Pulkit Khandelwal, Vikas Dhupar, Francis Akkara, Neha Hajira
Aims and Objectives: The aim of this prospective clinical study was to evaluate the success of one-stage direct (lateral) sinus lift procedure in severely atrophic posterior maxilla. Materials and Methods: One-stage direct (lateral) sinus lift procedure was carried out at 15 sites in 13 patients. All patients included in the study presented with partially edentulous posterior maxilla with one or more missing teeth and residual bone height less than 5 mm. Three months after surgery, patients were evaluated to access increase in residual bone height, density of new bone formed and implant stability...
May 2020: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
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