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implants dental bone augmentation

Sebastian Stefanski, Börje Svensson, Andreas Thor
PURPOSE: Various augmentation procedures involving the maxillary sinus, using bone substitutes or bone, have been used to enhance bone support for dental implants. The aim of this study was to retrospectively evaluate the status of implants in patients who had undergone a maxillary sinus lift and immediate implant placement without the addition of graft material. MATERIALS AND METHODS: Nineteen patients who had required bone augmentation of their maxillary sinus floor were evaluated in this study...
October 20, 2016: Clinical Oral Implants Research
Takahiro Kaneko, Satoshi Nakamura, Shunsuke Hino, Norio Horie, Tetsuo Shimoyama
BACKGROUND: Sinus lift is a bone augmentation procedure that improves the alveolar crest height in an atrophic posterior maxilla. However, the regenerated bone volume can vary and generally has a tendency to decrease after sinus operation. This article describes nongrafted maxillary sinus lift using a bioresorbable unsintered hydroxyapatite combined with poly L-lactide (HA/PLLA) mesh plate device and dental implant placement in an atrophic posterior maxilla, after which continuous bone gain was observed around the implant apex during a postoperative follow-up period of 3 years...
December 2016: Int J Implant Dent
Christian Walter, Bilal Al-Nawas, Tim Wolff, Eik Schiegnitz, Knut A Grötz
OBJECTIVE: Bisphosphonate-associated osteonecrosis of the jaws (BP-ONJ) is triggered by inflammatory processes. Typical trigger factors are periodontal disease, denture pressure sores, and surgical interventions such as tooth extractions. Unfortunately there is only little data on how to proceed with implant therapy in patients with bisphosphonate treatment. This topic is not addressed in the German guidelines on medication-associated osteonecrosis. Therefore a systematic literature review was performed...
December 2016: Int J Implant Dent
Daniel S Thoma, Nadja Naenni, Goran I Benic, Christoph H F Hämmerle, Ronald E Jung
AIM: To test whether or not soft tissue augmentation with a collagen matrix (VCMX) leads to a similar increase in ridge width around dental implants compared to the use of an autogenous subepithelial connective tissue graft (SCTG). MATERIALS AND METHODS: In 12 dogs, immediate dental implants were placed with simultaneous guided bone regeneration. Three months later, soft tissue volume augmentation was performed by randomly allocating three treatment modalities to these sites (VCMX, SCTG, sham-operated group (control))...
October 7, 2016: Journal of Clinical Periodontology
Christian Mertens, Christian Freudlsperger, Jens Bodem, Michael Engel, Jürgen Hoffmann, Kolja Freier
BACKGROUND: Treatment of post-resective defects of the maxilla can be challenging and usually requires dental obturation or microvascular reconstruction. As compared to soft-tissue microvascular grafts, bone reconstruction can additionally allow for facial support and retention of dental implants. The aim of this study was to evaluate scapular tip grafts with respect to their applicability for maxillary reconstruction and their potential to retain dental implants for later dental rehabilitation...
August 25, 2016: Journal of Cranio-maxillo-facial Surgery
Muge Cina Aksoy, Gulperi Kocer, Hakki Cenker Kucukesmen, Erdal Eroglu, Mehmet Fatih Senturk
OBJECTIVE: To report the distribution and pattern of implant replacement of missing tooth/teeth. METHODS: This retrospective study was conducted at the Suleyman Demirel University, Isparta, Turkey, and used data of patients who had undergone implant replacement of missing teeth/tooth from May 2008 to May 2013. Data analysis included age, gender, number of implants placed, implant location distribution, additional surgery protocol, type of dentures and failure rate...
October 2016: JPMA. the Journal of the Pakistan Medical Association
David French, Mehdi Noroozi, Batoul Shariati, Hannu Larjava
OBJECTIVE: The aim of this retrospective study was to investigate whether self-reported allergy to penicillin may contribute to a higher rate of postsurgical infection and implant failure. METHOD AND MATERIALS: This retrospective, non-interventional, open cohort study reports on implant survival and infection complications of 5,576 implants placed in private practice by one periodontist, and includes 4,132 implants that were followed for at least 1 year. Logistic regression was applied to examine the relationship between self-reported allergy to penicillin and implant survival, while controlling for potential confounders such as smoking, implant site, bone augmentation, loading protocol, immediate implantation, and bone level at baseline...
September 26, 2016: Quintessence International
Nadja Naenni, David Schneider, Ronald E Jung, Jürg Hüsler, Christoph H F Hämmerle, Daniel S Thoma
PURPOSE: To test whether or not one of two membranes is superior for peri-implant-guided bone regeneration in terms of clinical and histologic outcomes. MATERIAL AND METHODS: In 27 patients, 27 two-piece dental implants were placed in single-tooth gaps in the esthetic area. Buccal dehiscence and/or fenestration-type defects were regenerated using demineralized bovine bone mineral and randomly covered with either a resorbable membrane (RES) or a titanium-reinforced non-resorbable membrane (N-RES)...
September 23, 2016: Clinical Oral Implants Research
Bernhard Pommer, Dieter Busenlechner, Rudolf Fürhauser, Georg Watzek, Georg Mailath-Pokorny, Robert Haas
INTRODUCTION: Minimally invasive implantology using reduced implant dimensions as well as virtual treatment planning and CAD/CAM stereolithographic templates has gained popularity in recent years. The aim of the present investigation was to analyze prevailing trends in clinical utilization of these graftless therapeutic options. MATERIAL AND METHODS: A total of 12.865 dental implants were placed in 5.365 patients at the Academy for Oral Implantology in Vienna, of which 5...
August 21, 2016: Journal of Cranio-maxillo-facial Surgery
S Pieralli, R J Kohal, R E Jung, K Vach, B C Spies
To determine the survival rate and marginal bone loss (MBL) of zirconia dental implants restored with single crowns or fixed dental prostheses. An electronic search was conducted up to November 2015 (without any restriction regarding the publication time) through the databases MEDLINE (PubMed), Cochrane Library, and EMBASE to identify randomized controlled clinical trials and prospective clinical trials including >15 patients. Primary outcomes were survival rate and MBL. Furthermore, the influence of several covariates on MBL was evaluated...
September 13, 2016: Journal of Dental Research
Peter Rammelsberg, Justo Lorenzo-Bermejo, Stefanie Kappel
PURPOSE: The objective of this work was to evaluate the effect of prosthetic restoration on the survival of implants and on the incidence of implant-related complications. MATERIAL AND METHODS: From a prospectively documented clinical study, 1569 implants placed in 630 patients (mean age 59.56 years) were evaluated. Selection criteria were a conventional loading protocol, prosthetic restoration with at least one follow-up, and a minimum observation period of 9 months...
September 13, 2016: Clinical Oral Implants Research
Shaimaa Nasr, Dagmar E Slot, Samah Bahaa, Christof E Dörfer, Karim M Fawzy El-Sayed
PURPOSE: The aim of the present study was to systematically assess the current evidence on the effect of nongrafted compared to graft-assisted maxillary sinus floor elevation on implant survival/failure, endosinus bone gain, crestal bone loss, and bone density around dental implants. MATERIALS AND METHODS: MEDLINE-PubMed, Cochrane-CENTRAL, and EMBASE databases were searched up to November 2015 for randomized controlled trials (RCTs) and controlled clinical trials-(CCTs), evaluating dental implants placed in combination with maxillary sinus elevation without and with bone grafting...
July 2, 2016: Journal of Cranio-maxillo-facial Surgery
Hai-Yan Lin, Wei-Dan Zhang, Yan-Chun Yu, Hong-Yu Jia, Ren-Fei Wang
PURPOSE: To evaluate the effect of overlaying titanium mesh with concentrate growth factors(CGF) for rebuilding severe buccal bone defect of anterior maxilla when used in association with dental implantation. METHODS: Twenty patients with severe buccal bone defect of maxilla were selected. A total of 25 dental implants were placed, including 5 cases in bilateral central incisor area and 15 cases in unilateral central incisor area. After implantation, the defects were treated with Bio-oss and Bio-guid in conjunction with fixation of titanium mesh and then CGF technology was used...
June 2016: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
Eduardo Anitua, Javier Flores, Mohammad Hamdan Alkhraisat
PURPOSE: There is a paucity of studies that evaluate the treatment outcomes of transcrestal sinus elevation performed without using osteotomes. This study aims to evaluate the 4-year survival of short dental implants placed following transcrestal sinus elevation performed with a frontal cutting drill and to measure the marginal bone stability. MATERIALS AND METHODS: Transcrestal sinus elevation was performed by sequential bone drilling using a frontal cutting drill...
September 6, 2016: International Journal of Oral & Maxillofacial Implants
Anders Henningsen, Ralf Smeets, Aria Wahidi, Lan Kluwe, Frank Kornmann, Max Heiland, Till Gerlach
PURPOSE: Immediate loading of dental implants has been proved to be feasible in partially edentulous jaws. The purpose of this retrospective investigation was to assess the feasibility of immediately loading dental implants in fully edentulous jaws. METHODS: A total of 24 patients aged between 53 and 89 years received a total of 154 implants in their edentulous maxillae or mandibles. Among the implants, 45 were set in fresh extracted sockets and 109 in consolidated alveolar bones...
August 2016: Journal of Periodontal & Implant Science
Saeed Reza Motamedian, Moein Khojaste, Arash Khojasteh
The aim of this study is to review and compare survival/success rate of dental implants inserted in autogenous and allogenic bone blocks (ALBs). A PubMed search was performed from January 1990 to June 2014 limited to English language and human studies. Studies that reported treatment outcome of implants inserted in augmented alveolar ridges with autogenous or ALBs were included. Primary search identified 470 studies. For autogenous bone block (ABB) 36 articles and for ALB 23 articles met the inclusion criteria...
January 2016: Annals of Maxillofacial Surgery
Christopher A Connors, Peter C Liacouras, Gerald T Grant
This is a case report of a custom titanium ridge augmentation matrix (CTRAM). Using cone beam computed tomography (CBCT), a custom titanium space-maintaining device was developed. Alveolar ridges were virtually augmented, a matrix was virtually designed, and the CTRAM was additively manufactured with titanium (Ti6Al4V). Two cases are presented that resulted in sufficient increased horizontal bone volume with successful dental implant placement. The CTRAM design allows for preoperative planning for increasing alveolar ridge dimensions to support dental implants, reduces surgical time, and prevents the need for a second surgical site to gain sufficient alveolar ridge bone volume for dental implant therapy...
September 2016: International Journal of Periodontics & Restorative Dentistry
Sompop Bencharit, Riley K Allen, Daniel Whitley
Insufficient bucco-lingual bone often limits the implant placement rendering bone and soft tissue regeneration/augmentation. The biological and clinical aspects of demineralized bone matrix (DBM) for augmentation with implant placement were reviewed and a clinical report was presented. A 38-year-old Hispanic female presented with missing a mandibular second premolar. Pre-operative cone beam computed tomography (CBCT) scans showed deficiency in the buccal bone. An endossesous dental implant and DBM allograft was placed with a custom healing abutment...
August 18, 2016: Journal of Oral Implantology
Altan Varol, Onur Atali, Aysegul Sipahi, Selcuk Basa
PURPOSE: The aim of this 4-year retrospective follow-up study was to investigate treatment outcomes, including implant survival rate and marginal bone loss, in patients with maxillary Cawood type VI atrophy pattern who underwent Le Fort I downgrafting and iliac block augmentations for implant rehabilitation. MATERIALS AND METHODS: Retrognathic edentulous Class III patients with severe maxillary resorption (Cawood VI) were enrolled. Reconstructive procedures performed included Le Fort I maxillary osteotomy, iliac block grafting, labial sulcoplasties, and dental implant placement...
August 15, 2016: International Journal of Oral & Maxillofacial Implants
Giorgio Iviglia, Clara Cassinelli, Elisa Torre, Francesco Baino, Marco Morra, Chiara Vitale-Brovarone
UNLABELLED: The osseointegration of dental implants and their consequent long-term success is guaranteed by the presence, in the extraction site, of healthy and sufficient alveolar bone. Bone deficiencies may be the result of extraction traumas, periodontal disease and infection. In these cases, placement of titanium implants is contraindicated until a vertical bone augmentation is obtained. This goal is achieved using bone graft materials, which should simulate extracellular matrix (ECM), in order to promote osteoblast proliferation and fill the void, maintaining the space without collapsing until the new bone is formed...
October 15, 2016: Acta Biomaterialia
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