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Ridge augmentation

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https://www.readbyqxmd.com/read/29451927/a-retrospective-tomographic-and-histologic-analysis-of-horizontal-bone-augmentation-in-maxillary-atrophic-ridges-using-resorbable-membrane-with-anorganic-bovine-bone-derived-mineral-and-plasma-rich-in-growth-factors
#1
Massimo Lorenzetti, Maurizio Vono, Virginia Lorenzetti
A total of six patients treated from 2010 to 2014, having a knife-edge ridge (Cawood-Howell Class IV resorbed ridges) and requiring an implant-prosthetic rehabilitation, were selected. Tomographic measurement of the edentulous ridges was performed before grafting and after implant placement. At 6 months postgraft, a total of 41 implants had been inserted, 17 in the posterior region, 12 in the central region, and 12 in the anterior region. No surgical or healing complications were recorded, and the prostheses were loaded 6 to 9 months after implant placement...
February 16, 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29447321/decision-tree-for-vertical-ridge-augmentation
#2
Alexandra B Plonka, Istvan A Urban, Hom-Lay Wang
Vertical ridge augmentation (VRA) procedures before or during dental implant placement are technically challenging and often encounter procedure-related complications. To minimize complications and promote success, a literature search was conducted to validate procedures used for VRA. A decision tree based on the amount of additional ridge height needed (< 4, 4 to 6, or > 6 mm) was then developed to improve the procedure-selection process. At each junction, the clinician is urged to consider anatomical, clinical, and patient-related factors influencing treatment outcomes...
March 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29444198/alveolar-ridge-augmentation-with-three-dimensional-printed-hydroxyapatite-devices-a-preclinical-study
#3
Joseph P Fiorellini, Michael R Norton, Kevin WanXin Luan, David Minjoon Kim, Kei Wada, Hector L Sarmiento
The objective of this study was to evaluate the effectiveness of precise three-dimensional hydroxyapatite printed micro- and macrochannel devices for alveolar ridge augmentation in a canine model. All grafts induced minimal inflammatory and fibrotic reactions. Examination of undecalcified sections revealed that both types of grafts demonstrated bone ingrowth. The majority of the bone growth into the block graft was into the channels, though a portion grew directly into the construct in the form of small bony spicules...
February 14, 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29440787/submandibular-fossa-augmentation-in-implant-dentistry
#4
Amin Rahpeyma, Saeedeh Khajehahmadi
Background: There are two limiting factors for determining the dental implant fixture length in mandibular posterior edentulous region: Inferior dental canal and submandibular fossa. Purpose: Submandibular fossa augmentation is a suggested way to overcome the problem of lingual undercut beneath the mylohyoid ridge in implant dentistry. Materials and Methods: Patients with lingual posterior bony undercut that interferes with the placement of a standard implant with a length of 10 mm were enrolled in this study...
May 2017: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/29436942/short-vs-longer-implants-in-mandibular-alveolar-ridge-augmentated-using-osteogenic-distraction-one-year-follow-up-of-a-randomized-split-mouth-trial
#5
Sara Bernardi, Roberto Gatto, Marco Severino, Gianluca Botticelli, Silvia Caruso, Claudio Rastelli, Ettore Lupi, Adolfo Quiroz Rojas, Enzo Iacomino, Giovanni Falisi
Aim of the study was to evaluate the reliability of 6 mm long implants compared to normal length implants placed in vertical augmented atrophic posterior mandible, supporting cemented single crowns. Thirty-six patients with bilateral posterior edentulous mandible and presented a bone availability height less than 9 mm from the mandibular canal were enrolled for the participation to this study. Patient hemi-arches were randomized to receive both 6 mm-long and normal length implants (10 mm). The technique used for the vertical bone augmentation was the "sandwich" technique, using a bone substitute block as graft...
February 13, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29421855/l-prf-block-for-bone-augmentation-procedure-a-proof-of-concept-study
#6
Simone Cortellini, Ana B Castro, Andy Temmerman, Jeroen Vandessel, Nelson Pinto, Reinhilde Jacobs, Marc Quirynen
AIM: The objective of this proof-of-concept study was to investigate the effects of a new GBR technique with a tissue engineering approach. MATERIAL AND METHODS: This single cohort observational study evaluated the outcome of the L-PRF block for horizontal bone augmentation in the maxilla. The L-PRF block is prepared by mixing a particulated biomaterial with chopped L-PRF membranes at a 50:50 ratio and adding Liquid Fibrinogen to glue all together. Horizontal augmentation was assessed linearly and volumetrically immediately after surgery and 5-8 months later by matching consecutive CBCTs...
February 8, 2018: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29377475/preservation-and-augmentation-of-molar-extraction-sites-affected-by-severe-bone-defect-due-to-advanced-periodontitis-a-prospective-clinical-trial
#7
Liping Zhao, Tao Xu, Wenjie Hu, Kwok-Hung Chung
BACKGROUND: Studies of the extracted infected-molar ridge preservation are limited. PURPOSE: To compare alterations of hard and soft tissue in infected-molar sockets receiving ridge preservation compared with natural healing. MATERIALS AND METHODS: Thirty-five infected-molar extraction sites either preserving with Bio-Gide membrane covered the Bio-Oss material or receiving natural healing procedure as controls. The soft tissue profile was evaluated before tooth extraction and after 6-month healing...
January 29, 2018: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29368353/effect-of-membrane-exposure-on-guided-bone-regeneration-a-systematic-review-and-meta-analysis
#8
REVIEW
Jeffrey Garcia, Austin Dodge, Paul Luepke, Hom-Lay Wang, Yvonne Kapila, Guo-Hao Lin
AIMS: This review aimed at investigating the effect of membrane exposure on guided bone regeneration (GBR) outcomes at peri-implant sites and edentulous ridges. MATERIAL AND METHODS: Electronic and manual literature searches were conducted by two independent reviewers using four databases, including MEDLINE, EMBASE, Web of Science, and Cochrane Central Register of Controlled Trials, for articles up to February 2017. Articles were included if they were human clinical trials or case series reporting outcomes of GBR procedures with and without membrane exposure...
January 24, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29359368/b-flow-and-b-mode-ultrasound-imaging-in-carotid-fibromuscular-dysplasia
#9
Joshua J Cutler, Nelly Campo, Sebastian Koch
BACKGROUND AND PURPOSE: Previous ultrasound studies in fibromuscular dysplasia (FMD) have largely reported on color flow imaging, power Doppler, and Doppler flow augmentation. We here report on arterial wall imaging findings by B-flow and B-mode in patients with carotid FMD. METHODS: We retrospectively reviewed ultrasonographic findings in subjects with known or suspected FMD. All patients were evaluated with a standardized imaging protocol including Doppler, B-mode, and B-flow...
January 23, 2018: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/29351052/particulate-coral-hydroxyapatite-sheltered-by-titanium-mesh-for-localized-alveolar-rehabilitation-after-onlay-graft-failure-a-case-report
#10
Miao Zhou, Shuyi Li, Hendrik Terheyden, Shuaishuai Cao, Yuejuan Che, Yuanming Geng
Reconstruction of bone loss in the alveolar ridge has long been challenging. Autologous bone grafts are considered as the "golden standard", while little research has focused on how to repair pronounced alveolar bone defects after autologous bone graft failure. The aim of this study was to detail a method based on the titanium mesh technique coupled with particulate coral hydroxyapatite to solve the Onlay graft failure. With bone deficiency in the #11 and #24- #25 regions, we harvested two autologous bone blocks for reconstruction...
January 19, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29346020/sequential-ridge-augmentation-sra-protocol-for-hard-and-soft-tissue-grafting-in-alveolar-ridge-deficiencies-a-proposed-algorithm
#11
Neel Bhatavadekar, Amit Srikant Gharpure
The success of implant-based treatment is dependent on the correct restorative position of dental implants in the oral cavity. Often, the final prostheses require dental implants to be placed at sites with inadequate native hard and soft tissue. Bone augmentation procedures and materials have been extensively studied in the literature and various techniques have been developed over time to obtain adequate hard tissue at proposed implant sites. In the recent past, few publications have also studied soft tissue development at planned implant sites...
January 18, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29342064/minimally-manipulated-bone-marrow-concentrate-compared-with-microfracture-treatment-of-full-thickness-chondral-defects-a-one-year-study-in-an-equine-model
#12
Constance R Chu, Lisa A Fortier, Ashley Williams, Karin A Payne, Taralyn M McCarrel, Megan E Bowers, Diego Jaramillo
BACKGROUND: Microfracture is commonly performed for cartilage repair but usually results in fibrocartilage. Microfracture augmented by autologous bone marrow concentrate (BMC) was previously shown to yield structurally superior cartilage repairs in an equine model compared with microfracture alone. The current study was performed to test the hypothesis that autologous BMC without concomitant microfracture improves cartilage repair compared with microfracture alone. METHODS: Autologous sternal bone marrow aspirate (BMA) was concentrated using a commercial system...
January 17, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29324922/autologous-free-fat-transfer-in-patients-with-velopharyngeal-insufficiency
#13
Pericles Foroglou, Olga Christina Goula, Antonis Tsimponis, Elena Georgiadou, Efterpi Demiri
AIM: To report our initial experience and preliminary results of autologous free fat transfer to improve speech and hypernasality in patients with velopharyngeal insufficiency (VPI) as a sequela of cleft lip and palate repair. MATERIAL AND METHODS: To date 2 patients with a mean age of 25 years were treated with this method. Both had initially received multiple procedures elsewhere for cleft lip and palate repair. We recorded the number of free fat transfer sessions, anatomical places of placement and volumes injected in-patient stay, occurrence or absence of complications and effectiveness of this operation in terms of clinical speech evaluation, functional velopharyngeal closure measurements and speech improvement percentage by an Ear, Nose and Throat (ENT) specialist...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29316182/lateral-bone-augmentation-in-narrow-posterior-mandibles-description-of-a-novel-approach-and-analysis-of-results
#14
Ilan Beitlitum, Alon Sebaoun, Carlos E Nemcovsky, Shimshon Slutzkey
BACKGROUND: Combination of particulate grafts and collagen membranes is widely used for augmentation of bony defects for implant placement. Fixation of the barrier membrane may avoid complications due to unfavorable mechanical properties and poor stability leading to collapse of the augmented area. PURPOSE: To evaluate a new simplified method for resorbable collagen membrane fixation in lateral bone augmentation procedures in narrow posterior mandibles. MATERIALS AND METHODS: This retrospective study analyzed 16 procedures performed in 15 patients who followed lateral ridge augmentation procedures before implant placement in the posterior mandible...
January 8, 2018: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29314144/bone-augmentation-followed-by-implant-surgery-in-the-edentulous-mandible-a-systematic-review
#15
REVIEW
R J de Groot, M A E M Oomens, T Forouzanfar, E A J M Schulten
INTRODUCTION: Long-standing loss of natural teeth in the mandible can lead to severe jaw atrophy and even mandibular fracture. There is no consensus on the best preprosthetic surgical treatment to reconstruct the atrophic edentulous mandible. The purpose of this review is to provide an overview of the existing literature and to give an evidence-based recommendation for bone grafting and future research. MATERIALS AND METHODS: This systematic review was conducted according to the PRISMA statement...
January 4, 2018: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/29303859/three-dimensional-radiological-assessment-of-alveolar-bone-volume-preservation-using-bovine-bone-xenograft
#16
Ali Al Qabbani, Sausan Al Kawas, Noor Hayati A Razak, Saad Wahby Al Bayatti, Hamid Hammad Enezei, A Rani Samsudin, Suzina Sheikh Ab Hamid
INTRODUCTION: Alveolar bone is critical in supporting natural teeth, dental implants as well as a removable and fixed prosthesis. Alveolar bone volume diminishes when its associated natural tooth is lost. OBJECTIVE: The aim of this study is to evaluate the effectiveness of bovine bone granules on alveolar bone socket augmentation for ridge preservation following atraumatic tooth extraction. MATERIALS AND METHODS: Twenty medically fit patients (12 males and 8 females aged between 18 and 40 years) who needed noncomplicated tooth extraction of 1 mandibular premolar tooth were divided randomly and equally into 2 groups...
January 4, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29302589/evaluation-of-bone-healing-using-rhbmp-2-soaked-hydroxyapatite-in-ridge-augmentation-a-prospective-observational-study
#17
Hyun-Suk Kim, Ju-Cheol Park, Pil-Young Yun, Young-Kyun Kim
Background: The goal of this study is to evaluate complication and effectiveness of alveolar ridge augmentations using a hydroxyapatite-based alloplastic bony substitute with rhBMP-2. Methods: A total of 10 patients (4 males, 6 females; 58.5 ± 8.6 years) participated in this clinical research. Alveolar ridge augmentations were performed in edentulous (4 maxillary posterior, 5 mandibular posterior, and 1 mandibular anterior) regions. Anorganic bovine bone (ABB; Bio-Oss®, Geistlich Pharma AG, Wolhusen, Switzerland) was used as the bone graft material in the control group (n = 5)) while hydroxyapatite-based alloplastic bony substitute with rhBMP-2(HA+rhBMP-2; NOVOSIS®-Dent, CGBio Inc...
December 2017: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29299496/effects-of-human-adipose-derived-stem-cells-and-platelet-rich-plasma-on-healing-response-of-canine-alveolar-surgical-bone-defects
#18
Reihaneh Shafieian, Maryam Moghaddam Matin, Amin Rahpeyma, Alireza Fazel, Hamideh Salari Sedigh, Ariane Sadr Nabavi, Halimeh Hassanzadeh, Alireza Ebrahimzadeh-Bideskan
Background: Due to the known disadvantages of autologous bone grafting, tissue engineering approaches have become an attractive method for ridge augmentation in dentistry. To the best of our knowledge, this is the first study conducted to evaluate the potential therapeutic capacity of PRP-assisted hADSCs seeded on HA/TCP granules on regenerative healing response of canine alveolar surgical bone defects. This could offer a great advantage to alternative approaches of bone tissue healing-induced therapies at clinically chair-side procedures...
November 2017: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/29285337/management-of-the-exposure-of-a-dense-ptfe-d-ptfe-membrane-in-guided-bone-regeneration-gbr-a-case-report
#19
P Ghensi, W Stablum, E Bettio, M C Soldini, T R Tripi, C Soldini
Guided bone regeneration (GBR) is a well-established and generally predictable method for repairing alveolar ridge defects and preparing edentulous sites for implant placement. Standard GBR involves filling the space underneath a membrane with autogenous bone or a mixture composed of autogenous bone particles and allogeneic bone tissue or heterologous biomaterials. The use of a barrier membrane for GBR has sometimes been associated with complications, however - reportedly involving exposure, infection, and collapse - and the non-resorbable types of membrane seem to be involved more often than the resorbable solutions...
July 2017: Oral & Implantology
https://www.readbyqxmd.com/read/29283207/hard-tissue-volume-stability-of-guided-bone-regeneration-during-the-healing-stage-in-the-anterior-maxilla-a-clinical-and-radiographic-study
#20
Xi Jiang, Yu Zhang, Ping Di, Ye Lin
BACKGROUND: Guided bone regeneration (GBR) is currently the most widely used technique to reconstruct localized peri-implant bone defects. OBJECTIVES: To evaluate hard tissue volume stability during the healing stage of GBR with particulate bone graft and resorbable collagen membrane. MATERIALS AND METHODS: Twenty-eight patients who were missing a single maxillary incisor and required implant placement combined with GBR were randomly assigned to 2 groups: submerged (n = 14) and transmucosal (n = 14) healing groups...
December 28, 2017: Clinical Implant Dentistry and related Research
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