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https://www.readbyqxmd.com/read/29912481/osseointegration-of-zirconia-implants-with-3-varying-surface-textures-and-a-titanium-implant-a-histological-and-micro-ct-study
#1
Paweł Kubasiewicz-Ross, Jakub Hadzik, Marzena Dominiak
BACKGROUND: Zirconium - a bioinert metal - in comparison with titanium implants, offers a variety of potential advantages for use in the esthetic area of dentistry due to its tooth-like color. Zirconium dental implants are considered to be an alternative method of treatment to conventional titanium dental implants for patients with a thin gingival biotype. OBJECTIVES: This study was designed to study the bone tissue response to new zirconia implants with modified surfaces in comparison with commercially available titanium dental implants and commercially available zirconia implants...
June 18, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29911067/molar-protraction-using-miniscrews-temporary-anchorage-device-with-simultaneous-correction-of-lateral-crossbite-an-orthodontic-case-report
#2
Kavitha Odathurai Marusamy, Saravanan Ramasamy, Othman Wali
Early loss of permanent teeth, congenitally missing lateral incisors or second premolars, extremely displaced or impacted canines, all result in a reduced upper dentition. That leads to the development of crossbite in the maxillary dentition. Partial denture prosthesis, dental implants, and space closure by fixed orthodontics are the various means of treating the edentulous spaces. Protraction of molars is time taking and challenging. Temporary anchorage device (TAD) helps to protract molars without anchorage loss...
May 2018: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29907931/influence-of-2d-vs-3d-imaging-and-professional-experience-on-dental-implant-treatment-planning
#3
João Henrique Fortes, Christiano de Oliveira-Santos, Wilson Matsumoto, Raphael Jurca Gonçalves da Motta, Camila Tirapelli
OBJECTIVES: This study investigated whether professional experience and type of image examination (panoramic radiography (PAN) or cone beam computed tomography (CBCT)) could influence the pre-surgical planning for dental implant treatment. MATERIALS AND METHODS: Six dentists, from two different levels of experience (senior (Sr) and junior (Jr)) performed simulated pre-surgical planning by using PANs and after 1 month, by using CBCTs, considering implant length (IL), implant width (IW), need for bone graft (BG), and other surgical procedures (OP)...
June 16, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29903562/mri-for-dental-applications
#4
REVIEW
Husniye Demirturk Kocasarac, Hassem Geha, Laurence R Gaalaas, Donald R Nixdorf
Imaging of hard and soft tissue of the oral cavity is important for dentistry. However, medical computed tomography, cone beam computed tomography (CBCT), nor MRI enables soft and hard tissue imaging simultaneously. Some MRI sequences were shown to provide fast soft and hard tissue imaging of hydrogen, which increased the interest in dental MRI. Recently, MRI allowed direct visualization of cancellous bone, intraoral mucosa, and dental pulp despite that cortical bone and dental roots are indirectly visualized...
July 2018: Dental Clinics of North America
https://www.readbyqxmd.com/read/29900906/knowledge-and-awareness-of-dental-implants-as-a-treatment-choice-in-adult-population-in-south-india-a-hospital-based-study
#5
Anoop Mayya, Joana D'Souza, Ann Mary George, Kamalakanth Shenoy, Praveen Jodalli, Shreemathi S Mayya
Context: Implant-supported prosthesis improves the self-confidence and quality of life of the patient by giving them masticatory comfort and a high level of satisfaction. For any professional community, it is essential to know whether patients feel well informed and whether what they know reflects on the current advances in dental health care. The aim of this study was to assess the knowledge and awareness of dental implants as a treatment choice in patients visiting a dental college situated in Mangalore, Karnataka, India...
May 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/29898173/bioactive-glass-added-to-autogenous-bone-graft-in-maxillary-sinus-augmentation-a-prospective-histomorphometric-immunohistochemical-and-bone-graft-resorption-assessment
#6
Juliana Dreyer Menezes, Rodrigo Dos Santos Pereira, João Paulo Bonardi, Geraldo Luiz Griza, Roberta Okamoto, Eduardo Hochuli-Vieira
OBJECTIVE: The aim of this study was to compare the bone resorption rate, histomorphometry and immunohistochemical findings of bioactive glass (Biogran; Biomet, Warsaw, IN, USA) mixed with autogenous bone grafts (1:1) and autogenous bone graft isolate in maxillary sinus elevation surgery. MATERIAL AND METHODS: A total of 9 maxillary sinuses were grafted with Biogran with autogenous bone graft (group 1) and 12 were mixed with autogenous bone graft (group 2). Postoperative cone beam computed tomography (CBCT) was used to measure the initial graft volume after 15 days (T1), and 6 months later, another CBCT scan was performed to evaluate the final graft volume (T2) and determine the graft resorption rate...
June 11, 2018: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29897355/histologic-evaluation-of-soft-and-hard-tissue-healing-following-alveolar-ridge-preservation-with-deproteinized-bovine-bone-mineral-covered-with-xenogenic-collagen-matrix
#7
Luca Ramaglia, Raffaele Saviano, Giovanni Matarese, Francesco Cassandro, Ray C Williams, Gaetano Isola
The purpose of this study was to histologically evaluate new bone formation and dimensional soft tissue changes of two different healing protocols (16 weeks and 32 weeks) using deproteinized bovine bone mineral (DBBM) covered with collagen matrix (CM) for alveolar ridge preservation in the anterior esthetic zone prior to dental implant placement. Compared to baseline, both treatments yielded statistically significant differences in several clinical parameters and in the microarchitecture of the native bone and in the newly formed bone in the augmented sites...
June 12, 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29897353/complications-and-management-of-implants-migrated-into-the-maxillary-sinus
#8
Yifat Manor, Yakir Anavi, Ron Gershonovich, Adi Lorean, Eithan Mijiritsky
The article describes complications following dental implant dislocation into the maxillary sinus and their management and attempts to elucidate the reasons for these complications and their prevention. This retrospective study presents 55 cases of dental implant migration into the maxillary sinus. Patients were 30 men and 25 women with average age of 58 years. Oroantral communication was found in 46 cases, primarily in cases without prior bone augmentation, in patients aged older than 60 years (mean), and medically compromised patients (ASA > 1)...
June 12, 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29897352/esthetic-evaluation-of-maxillary-single-tooth-zirconia-implants-in-the-esthetic-zone
#9
Kristian Kniha, Heinz Kniha, Ingrid Grunert, Daniel Edelhoff, Frank Hölzle, Ali Modabber
The purpose of this study was to evaluate ceramic dental implants using different esthetic scores. A total of 53 ceramic dental implants were evaluated using the Pink Esthetic Score (PES), White Esthetic Score (WES), and Peri-Implant and Crown Index (PICI). Prosthodontists, orthodontists, oral surgeons, and dentistry students independently performed assessments. The mean value of combined PES + WES was 17.4 points, and the PICI was 523.2 points. Orthodontists assessed a significantly lower result in both indices compared to all other assessor groups (P ≤ ...
June 12, 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29897351/midfacial-tissue-assessment-of-the-effect-of-amount-of-keratinized-mucosa-on-immediate-temporarization-of-fresh-socket-implants-8-year-follow-up
#10
Roberto Crespi, Paolo Capparé, Giovanni Crespi, Giorgio Gastaldi, Georgios E Romanos, Enrico Gherlone
The aim of the present study was to consider the long-term midfacial mucosal outcome around final prosthetic restorations on dental implants placed and loaded immediately after tooth extractions. A total of 42 patients requiring tooth extractions were recruited, and 142 teeth were extracted. Based on the amount of keratinized mucosa (KM), implants were categorized into group A (KM ≥ 2 mm; n = 61) or group B (KM < 2 mm; n = 62). In both groups, all patients received temporary prosthetic restorations immediately after the surgical procedure...
June 12, 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29894549/effects-of-taper-angle-and-sealant-agents-on-bacterial-leakage-along-the-implant-abutment-interface-an-in-vitro-study-under-loaded-conditions
#11
Arda Ozdiler, Nursen Bakir-Topcuoglu, Guven Kulekci, Gulbahar Isik-Ozkol
PURPOSE: The aim of this study was to compare the bacterial leakage of conical internal connection implants with different taper angles (5.4, 12, 45, and 60 degrees) and examine the efficiency of a disinfectant agent and a silicone sealant agent in the prevention of bacterial leakage under loaded conditions. MATERIALS AND METHODS: Twenty-one implant-abutment connections were studied from each implant system (Ankylos Implants, Dentsply; Bego Semados S Implants, Bego; Trias Implants, Servo-Dental; DTI Implants, DTI), for a total of 84 implants...
June 12, 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29892909/sol-gel-based-calcium-phosphates-coatings-deposited-on-binary-ti-mo-alloys-modified-by-laser-beam-irradiation-for-biomaterial-clinical-applications
#12
Marcio Luiz Dos Santos, Carla Dos Santos Riccardi, Edson de Almeida Filho, Antonio C Guastaldi
Ti-15Mo alloy samples were irradiated by pulsed Yb: YAG laser beam under air and atmospheric pressure. Calcium phosphate coatings were deposited on the irradiated surfaces by the sol-gel method. The sol was prepared from the precursors Ca (NO3 )2 .4H2 O and H3 PO4 . The modified surfaces were submitted to heat treatment conditions at 350 and 600 °C. The results showed that the two conditions established have a sufficient energy to promote ablation on the laser beam irradiated surfaces. Likewise, it has been demonstrated the processes of fusion and fast solidification from the laser beam irradiation, under ambient atmosphere, inducing the formation of stoichiometric TiO2 and non-stoichiometric titanium oxides, including Ti3 O5 , TiO, Ti3 O and Ti6 O with different oxide percentages depending on the fluency used...
June 11, 2018: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/29892524/assessing-perceptions-of-oral-health-related-quality-of-life-in-dental-implant-patients-experience-of-a-tertiary-care-center-in-india
#13
Arun Paul S, Sibu Simon S, Saurabh Kumar, Rabin K Chacko
Background: Patients perception of treatment outcomes are invaluable assessment tools and are effective indicators for future prognosis. Various tools of measurement have been used to assess the same. The oral health impact profile questionnaire (OHIP 14) has been effectively used to evaluate the oral health-related quality of life (OHRQoL) with regards to individual perceptions. This study was conducted to assess OHRQoL in patients who have had dental implants to replace missing teeth in the Department of Dental Surgery, Unit 1, Christian Medical College and Hospital, Vellore, TN, India by using the OHIP 14 questionnaire...
May 2018: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/29889922/reosseointegration-after-regenerative-surgical-therapy-using-a-synthetic-bone-substitute-for-peri-implantitis-human-autopsy-study
#14
Sungtae Kim, Kyung-Seok Hu, Ui-Won Jung
Bone regeneration and reosseointegration around a dental implant were radiographically and histologically analyzed after regenerative treatment for peri-implantitis, using a case from a human autopsy. A block specimen including the tissue around the implants was obtained from the patient, who died from cancer 20 months after regenerative surgery using a synthetic bone substitute to treat peri-implantitis. Microcomputed tomographic and histologic analyses were performed. Three-wall intrabony defects at the implant placed at the site of the mandibular left first molar and a circumferential defect at the implant at the site of the mandibular left second molar were substantially filled with newly formed bone and residual bone substitute particles, and reosseointegration on the previously exposed implant surface was histologically observed...
July 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29889920/dimensional-evaluation-of-different-ridge-preservation-techniques-with-a-bovine-xenograft-a-randomized-controlled-clinical-trial
#15
Kai R Fischer, Sven Mühlemann, Ronald E Jung, Anton Friedmann, Stefan Fickl
The objectives of this study were to determine the quantitative changes after different ridge preservation techniques (primary aim) and to assess the possibility of placing a dental implant, the bone quality, and the need for bone augmentation (secondary aim). A total of 35 patients who required extraction of at least one tooth (incisor, canine, or premolar) provided 35 single-gap extraction sites. After minimally invasive tooth removal, the sockets were randomly scheduled for one of four treatment modalities: placement of a deproteinized bovine bone mineral (DBBM; Endobon, Biomet 3i) covered with a soft tissue punch from the palate (T1); placement of DBBM alone (T2); placement of DBBM covered with a resorbable collagen membrane (OsseoGuard, Biomet 3i) (T3); or no additional treatment (T4)...
July 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29889913/releasing-incisions-using-upward-motion-scissors-technique-for-flap-mobilization-for-guided-bone-regeneration-or-periodontal-surgery-technical-introduction-and-a-case-report
#16
Mitsuharu Inoko, Satoko Rubin, Yoshihiro Ono, Atsushi Saito
Flap management is one of the key elements for success in periodontal surgeries and bone regeneration for dental implants. The aim of this article is to introduce a releasing incision method for effective flap advancement to obtain tension-free primary closure. The 'upward-motion scissors technique' (UMST) involves the use of surgical scissors handled with an upward motion to create multiple shallow incisions. The use of UMST is demonstrated in an anatomically challenging case requiring bone augmentation. This technique provides a novel approach for flap advancement and may reduce potential complications involved in releasing incisions...
July 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29889912/a-13-to-32-year-retrospective-study-of-bone-stability-for-machined-dental-implants
#17
Massimo Simion, Myron Nevins, Giulio Rasperini, Francesco Tironi
The goal of this retrospective investigation was to provide evidence of the longevity of machine-surfaced implants placed in native bone and treated with the original two-stage surgical protocol. The observation times of this study covered periods of 13 to 32 years. Consecutive cases were impossible; the patients' ages when treated reduced the number of available people as a result of death, relocation, being impossible to find, or refusal to cooperate. Mean marginal bone loss after 13 to 32 years was 1.9 ± 0...
July 2018: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/29888724/antibiofilm-efficacies-of-cold-plasma-and-er-yag-laser-on-staphylococcus-aureus-biofilm-on-titanium-for-nonsurgical-treatment-of-peri-implantitis
#18
M Ulu, T Pekbagriyanik, F Ibis, S Enhos, U K Ercan
Objectives: The aim of the present study was to compare antibiofilm efficacies of the laser in contact and noncontact application modes and cold atmospheric plasma (CAP) on Staphylococcus aureus biofilm grown on sandblasted, large grit, acid-etched (SLA) titanium discs as an in vitro model of biofilm eradication on dental implant materials. Methods: S. aureus biofilm was matured on titanium discs for 7 days then, treated with contact and noncontact Er:YAG laser and CAP...
June 2018: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29888347/the-challenge-of-managing-patients-with-generalized-short-root-anomaly-a-case-report
#19
Dimitrios Michelogiannakis, Heleni Vastardis, Ioannis Melakopoulos, Chrysanthy Papathanasopoulou, Konstantinos I Tosios
The case of an 18-year-old woman with generalized short root anomaly (SRA) is presented, and the clinical management and challenges associated with this rare condition are discussed. The patient was referred for restoration of the edentulous maxillary left anterior region. Due to the SRA, the patient had previously received limited orthodontic treatment for the ectopic maxillary canines. The maxillary left canine failed during orthodontic traction, the left lateral incisor migrated in its region and had poor prognosis due to severe mobility...
June 8, 2018: Quintessence International
https://www.readbyqxmd.com/read/29887803/dual-ecm-biomimetic-scaffolds-for-dental-pulp-regenerative-applications
#20
Chun-Chieh Huang, Raghuvaran Narayanan, Noah Warshawsky, Sriram Ravindran
Dental pulp is a highly vascularized and innervated tissue that provides sensitivity and vitality to the tooth. Chronic caries results in an infected pulp tissue prone to necrosis. Existing clinical treatments replace the living pulp tissue with a non-responsive resin filling resulting in loss of tooth vitality. Tissue engineering approaches to dental pulp tissue regeneration have been investigated to preserve tooth vitality and function. However, a critical criterion is the choice of growth factors that may promote mesenchymal stem cell differentiation and more importantly, vascularization...
2018: Frontiers in Physiology
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