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https://www.readbyqxmd.com/read/28203026/-histomorphometric-evaluation-of-ridge-preservation-after-molar-tooth-extraction
#1
Y L Zhan, W J Hu, T Xu, M Zhen, R F Lu
OBJECTIVE: To evaluate bone formation in human extraction sockets with absorbed surrounding walls augmented with Bio-Oss and Bio-Gide after a 6-month healing period by histologic and histomorphometric analyses. METHODS: Six fresh molar tooth extraction sockets in 6 patients who required periodontally compromised moral tooth extraction were included in this study. The six fresh extraction sockets were grafted with Bio-Oss particle covered with Bio-Gide. The 2.8 mm×6...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28182072/evaluation-of-the-effects-of-two-different-bone-resorption-inhibitors-on-osteoclast-numbers-and-activity-an-animal-study
#2
Narges Naghsh, Sayed Mohammad Razavi, Mohsen Minaiyan, Mohammad Shahabooei, Reza Birang, Parichehr Behfarnia, Samira Hajisadeghi
BACKGROUND: The aim of this study was to evaluate the effects of bone resorption inhibitors, doxycycline (DOX) and erythromycin (EM), on osseous wound healing in rat alveolar socket. MATERIALS AND METHODS: In this randomized controlled trial, 45 8-10-week-old male Wistar rats had their maxillary right molar extracted. They were divided into three groups of 15. In Group 1 normal saline, Group 2 DOX, and Group 3 EM were administered at the doses of 5 ml/kg/day, 5 mg/kg/day, and 2 mg/kg/day, respectively, for 7 consecutive days...
November 2016: Dental Research Journal
https://www.readbyqxmd.com/read/28181789/a-novel-image-processing-technique-for-three-dimensional-volumetric-analysis-of-severely-resorbed-alveolar-sockets-with-cone-beam-computed-tomography
#3
Valeria Manavella, Federica Romano, Federica Garrone, Mara Terzini, Cristina Bignardi, Mario Aimetti
BACKGROUND: The aim of this study was to present and validate a novel procedure for the quantitative volumetric assessment of extraction sockets that combines Cone-Beam Computed Tomography (CBCT) and image processing techniques. METHODS: The CBCT dataset of 9 severely resorbed extraction sockets was analyzed by means of two image processing software, Image J and Mimics, using manual and automated segmentation techniques. They were also applied on 5 mm spherical aluminum markers of known volume and on a polyvinyl chloride model of one alveolar socket scanned with Micro-CT to test the accuracy...
February 9, 2017: Minerva Stomatologica
https://www.readbyqxmd.com/read/28178105/socket-preservation-using-a-biomimetic-nanostructured-matrix-and-atraumatic-surgical-extraction-technique
#4
Marco Mozzati, Giorgia Gallesio, Giorgio Staiti, Giovanna Iezzi, Adriano Piattelli, Carmen Mortellaro
OBJECTIVE: The aim of the present study was to evaluate the efficacy of biomimetic composite bone substitute composed of equine collagen I and Mg-hydroxyapatite in improving socket preservation after tooth extraction in humans. METHODS: Thirty-two patients were subjected to a single tooth extraction, performed without elevation of the full-thickness flap. In each patient, socket was grafted with the bone substitute and specimens were retrieved 2 months after surgery and processed for histological observations...
February 7, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28156122/implant-insertion-torque-its-role-in-achieving-primary-stability-of-restorable-dental-implants
#5
Gary Greenstein, John Cavallaro
A literature review was conducted to determine the role of insertion torque in attaining primary stability of dental implants. The review is comprised of articles that discussed the amount of torque needed to achieve primary implant stability in healed ridges and fresh extraction sockets prior to immediate implant loading. Studies were appraised that addressed the effects of minimum and maximum forces that can be used to successfully place implants. The minimum torque that can be employed to attain primary stability is undefined...
February 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28121720/the-use-of-integra%C3%A2-dermal-regeneration-template-for-the-orbital-exenteration-socket-a-novel-technique
#6
Cem Ozgonul, Ana Beatriz Diniz Grisolia, Hakan Demirci
PURPOSE: Integra® dermal regeneration template is a bilayer membrane system that acts as a scaffold for regenerating dermal skin cells. It is used for wound reconstruction following burns, extensive injuries, and a large tumor excision in multiple parts of the body. The dermal layer is made of porous matrix of bovine tendon collagen and glycosaminoglycan. The epidermal layer is made of polysiloxane layer. In this study, the authors evaluated the use of Integra® dermal regeneration template for the immediate reconstruction of the orbital exenteration socket...
January 23, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28050319/the-hidden-x-suture-a-technical-note-on-a-novel-suture-technique-for-alveolar-ridge-preservation
#7
Jung-Chul Park, Ki-Tae Koo, Hyun-Chang Lim
PURPOSE: The present study investigated the impact of 2 different suture techniques, the conventional crossed mattress suture (X suture) and the novel hidden X suture, for alveolar ridge preservation (ARP) with an open healing approach. METHODS: This study was a prospective randomized controlled clinical trial. Fourteen patients requiring extraction of the maxillary or mandibular posterior teeth were enrolled and allocated into 2 groups. After extraction, demineralized bovine bone matrix mixed with 10% collagen (DBBM-C) was grafted and the socket was covered by porcine collagen membrane in a double-layer fashion...
December 2016: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/28000281/clinical-relevance-of-dimensional-bone-and-soft-tissue-alterations-post-extraction-in-esthetic-sites
#8
REVIEW
Vivianne Chappuis, Mauricio G Araújo, Daniel Buser
The key to achieving pleasing esthetics in implant dentistry is a thorough understanding of the biological processes driving dimensional bone and soft tissue alterations post-extraction. The aim of the present report is first to characterize the extent of bone and soft tissue changes post-extraction and second to identify potential factors influencing tissue preservation in order to facilitate successful treatment outcomes. The facial bone wall thickness has been identified as the most critical factor influencing bone resorption and can be used as a prognostic tool in order to identify sites at risk for future facial bone loss subsequent to tooth extraction...
February 2017: Periodontology 2000
https://www.readbyqxmd.com/read/27977820/immediate-loading-of-single-implants-a-2-year-prospective-multicenter-study
#9
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/27965496/socket-preservation-using-enzyme-treated-equine-bone-granules-and-an-equine-collagen-matrix-a-case-report-with-histological-and-histomorphometrical-assessment
#10
Alessandro Leonida, Giovanni Todeschini, Giovanni Lomartire, Lorenzo Cinci, Laura Pieri
AIM: To histologically assess the effectiveness of a socket-preservation technique using enzyme-treated equine bone granules as a bone-graft material in combination with an equine collagen matrix as a scaffold for soft-tissue regeneration. BACKGROUND: Enzyme-treated equine bone granules and equine collagen matrix recently have been developed to help overcome alveolar bone deficiencies that develop in the wake of edentulism. CASE REPORT: The patient had one mandibular molar extracted and the socket grafted with equine bone granules...
November 1, 2016: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/27930925/effects-of-green-tea-and-bisphosphonate-association-on-dental-socket-repair-of-rats
#11
Edson Yoshihiro Mada, Alana Claro Cunha Santos, Angelica Cristina Fonseca, Claudia Cristina Biguetti, Fernando Tozze Alves Neves, Patrícia Pinto Saraiva, Mariza Akemi Matsumoto
OBJECTIVES: To evaluate the effects of green tea intake and zoledronic acid intravenous therapy on teeth socket repair. DESIGN: Sixty male albinus Wistar rats were divided into 4 groups: C-Control, intravenous (IV) 0.9% saline solution (SS), GT-1% green tea in drinking water and IV SS, BP-IV zoledronic acid (BP), and BP+GT-IV BP and 1% green tea. 0.035mg/kg of BP was administered every two weeks. After ten weeks, right upper molars were extracted and the green tea started to be offered for GT and BP+GT...
December 5, 2016: Archives of Oral Biology
https://www.readbyqxmd.com/read/27909893/osteogain%C3%A2-loaded-onto-an-absorbable-collagen-sponge-induces-attachment-and-osteoblast-differentiation-of-st2-cells-in-vitro
#12
Richard J Miron, Masako Fujioka-Kobayashi, Yufeng Zhang, Anton Sculean, Benjamin Pippenger, Yoshinori Shirakata, Umadevi Kandalam, Maria Hernandez
OBJECTIVES: Dimensional changes of the alveolar bone following tooth extraction are a major challenge in daily dental practice. To limit bone loss, a variety of biomaterials including bone grafts, barrier membranes, and growth factors have been utilized either alone or in combination therapies to increase the speed and quality of new bone formation. The aim of the present in vitro study was to investigate the regenerative potential of Osteogain®, a new liquid carrier system of enamel matrix derivative (EMD) in combination with an absorbable collagen sponge (ACS) specifically designed for extraction socket healing...
December 1, 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/27883211/clinical-and-histological-changes-after-ridge-preservation-with-two-xenografts-preliminary-results-from-a-multicentre-randomized-controlled-clinical-trial
#13
Antonio Barone, Paolo Toti, Alessandro Quaranta, Fortunato Alfonsi, Alessandro Cucchi, Bruno Negri, Roberto Di Felice, Saverio Marchionni, Jose' Luis Calvo-Guirado, Ugo Covani, Ulf Nannmark
OBJECTIVES: To evaluate and compare clinical and histological changes after ridge preservation procedures with those of spontaneous healing. MATERIALS AND METHODS: Ninety patients were enrolled in the present randomized controlled clinical trial and underwent single-tooth extraction in the premolar/molar areas. Thirty sites were grafted with collagenated cortico-cancellous (coll), 30 sites with cortical (cort) porcine bone and 30 sites underwent natural healing...
November 24, 2016: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/27861665/reactive-soft-tissue-preservation-in-maxillary-large-bone-defects
#14
Roberto Crespi, Paolo Capparé, Patrizio Bollero, Renato Pagani, Giorgio Gastaldi, Enrico F Gherlone
PURPOSE: Granulation tissue containing reactive soft tissue with potential multipotent stem cells can help socket healing following extraction. The aim of this study was to assess bone healing of maxillary large bone defects while maintaining reactive soft tissue. MATERIALS AND METHODS: A total of 32 patients presenting large bone defects were selected for this prospective study. Eight patients (Group A) presented with large bone defects but an intact buccal cortical plate, while 24 patients (Group B) presented with large bone defects lacking a buccal cortical plate...
November 2016: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/27857817/conservative-socket-regeneration-with-buccal-wall-defect-using-guided-tissue
#15
Mohammed Jasim Al-Juboori
Progressive alveolar bone resorption after tooth extraction may lead to surgical and prosthetic-driven difficulties, especially when deciding to use a dental implant to replace the extracted tooth. This case report discusses an irreparable lower left second premolar tooth with a periodontal lesion on the buccal side. A preservative tooth extraction was performed. Then, the socket was grafted with bovine bone, a collagen membrane was placed between the buccal bone and the attached gingiva, covering the bone dehiscence buccally, and the socket without a flap was raised...
2016: Open Dentistry Journal
https://www.readbyqxmd.com/read/27857769/socket-preservation-using-freeze-dried-bone-allograft-with-and-without-plasma-rich-in-growth-factors-in-dogs
#16
Mohammad Hasan Samandari, Abbas Haghighat, Nakisa Torabinia, Mehdi Taghian, Leyli Sadri, Vahid Naemy
BACKGROUND: Plasma rich in growth factors (PRGF) and freeze-dried bone allograft (FDBA) are shown to promote bone healing. This study was aimed to histologically and histomorphometrically investigate the effect of combined use of PRGF and FDBA on bone formation, and compare it to FDBA alone and control group. MATERIALS AND METHODS: The distal roots of the lower premolars were extracted bilaterally in four female dogs. Sockets were randomly divided into FDBA + PRGF, FDBA, and control groups...
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27837344/platelet-rich-fibrin-may-reduce-the-risk-of-delayed-recovery-in-tooth-extracted-patients-undergoing-oral-bisphosphonate-therapy-a-trial-study
#17
Takuya Asaka, Noritaka Ohga, Yutaka Yamazaki, Jun Sato, Chiharu Satoh, Yoshimasa Kitagawa
OBJECTIVES: The aim of the present study was to evaluate the effectiveness of platelet-rich fibrin (PRF) as a wound-healing accelerator in patients undergoing oral bisphosphonate therapy and requiring tooth extractions. MATERIALS AND METHODS: A total of 102 patients were divided into a PRF group and control group. The patients received oral bisphosphonate therapy for osteoporosis for an average of 32 months. Blood was collected and PRF was introduced into the socket of the PRF group only...
November 11, 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/27807485/treatment-of-an-erratic-extraction-socket-for-implant-therapy-in-a-patient-with-chronic-periodontitis
#18
Yusuke Hamada, Srividya Prabhu, Vanchit John
As implant therapy becomes more commonplace in daily practice, preservation and preparation of edentulous sites are key. Many times, however, implant therapy may not be considered at the time of tooth extraction and additional measures are not taken to conserve the edentulous site. While the healing process in extraction sockets has been well investigated and bone fill can be expected, there are cases where even when clinicians perform thorough debridement of the sockets, connective tissue infiltration into the socket can occur...
2016: Case Reports in Dentistry
https://www.readbyqxmd.com/read/27788625/evaluation-of-healing-at-molar-extraction-sites-with-and-without-ridge-preservation-a-randomized-controlled-clinical-trial
#19
Christopher J Walker, Thomas J Prihoda, Brian L Mealey, David J Lasho, Marcel Noujeim, Guy Huynh-Ba
BACKGROUND: To date, limited evidence is available specifically evaluating ridge preservation (RP) and implant placement in molar sites. The primary aim of this study was to radiographically compare alveolar ridge changes with and without RP with cone-beam computed tomography (CBCT). METHODS: This parallel, two-arm RCT included forty patients evenly distributed between two treatment groups. Following molar extraction, sites were allowed to heal naturally or received RP with freeze-dried bone allograft covered by a non-resorbable dense polytetrafluoroethylene (dPTFE) membrane...
October 27, 2016: Journal of Periodontology
https://www.readbyqxmd.com/read/27777115/scanning-electron-microscopy-study-of-new-bone-formation-following-small-and-large-defects-preserved-with-xenografts-supplemented-with-pamidronate-a-pilot-study-in-fox-hound-dogs-at-4-and-8-weeks
#20
Naroa Lozano-Carrascal, Marta Satorres-Nieto, Rafael Delgado-Ruiz, José Eduardo Maté-Sánchez de Val, Sergio Alexandre Gehrke, Jorge Gargallo-Albiol, José Luis Calvo-Guirado
The aim of the present study was to evaluate the feasibility of SEM and EDX microanalysis on evaluating the effect of porcine xenografts (MP3(®)) supplemented with pamidronate during socket healing. Mandibular second premolars (P2) and first molars (M1) were extracted from six Beagle dogs. P2 were categorized as small defects (SD) and M1 as large defects (LD). Four random groups were created: SC (small control defects with MP3(®)), ST (small test defects MP3(®)+pamidronate), LC (large control defects with MP3(®)), and LT (large test defects MP3(®)+pamidronate)...
January 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
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