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Peri-implant bone

Maria Ángeles Pérez-Albacete Martínez, Carlos Pérez-Albacete Martínez, José Eduardo Maté Sánchez De Val, María Luisa Ramos Oltra, Manuel Fernández Domínguez, Jose Luis Calvo Guirado
The aim of this study was to evaluate osseointegration and crestal bone height in implants with a triangular cervical design in comparison with a standard rounded cervical design. The control group consisted of 24 implants with a standard cervical design, and the test group of 24 implants with a triangular cervical design. The implants were inserted in healed bone in six American Foxhounds. Crestal bone height and tissue thickness in the cervical portion were measured after 12 weeks healing. Data analysis found mean crestal bone loss of: 0...
March 21, 2018: Materials
Francesco Mangano, Alberta Greco Lucchina, Matteo Brucoli, Mario Migliario, Carmen Mortellaro, Carlo Mangano
PURPOSE: To evaluate the long-term cumulative implant survival rate (CISR%) and cumulative implant-crown success rate (CICSR%) of single-tooth Morse-taper connection implants, with particular attention to documenting the incidence of prosthetic complications. METHODS: The customized records of all patients who had been treated with single-tooth Morse-taper connection implants in 2 dental centers during the period between January 2002 and December 2012 were revisited...
March 20, 2018: Journal of Craniofacial Surgery
Ivo J Kruyt, Rik C Nelissen, Emmanuel A M Mylanus, Myrthe K S Hol
OBJECTIVE: To compare 3-year implant stability, survival, and tolerability of a 4.5-mm-wide (test) and a 3.75-mm-wide (control) percutaneous titanium implant for bone-conduction hearing, loaded with the sound processor after 3 weeks. METHODS: Sixty implants were allocated in a 2:1 ratio (test-control) in 57 adult patients included in this prospective randomized controlled clinical trial. Follow-up visits were performed at 7, 14, 21, and 28 days; 6 and 12 weeks; 6 months; and at 1, 2, and 3 years after implantation...
March 20, 2018: Otology & Neurotology
Silvio Mario Meloni, Sascha Alexander Jovanovic, Milena Pisano, Giacomo De Riu, Edoardo Baldoni, Marco Tallarico
PURPOSE: To present the medium-term results of one-stage guided bone regeneration (GBR) using autologous bone and anorganic bovine bone, placed in layers, in association with resorbable collagen membranes, for the reconstruction of horizontal bony defects. MATERIALS AND METHODS: This study was designed as an uncontrolled prospective study. Partially edentulous patients, having less than 6.0 mm and more than 4.0 mm of residual horizontal bone width were selected and consecutively treated with simultaneously implant installation and bone regeneration by using 2...
2018: European Journal of Oral Implantology
Marco Esposito, Daniele Cardaropoli, Luca Gobbato, Fabio Scutellà, Andrea Fabianelli, Saverio Mascellani, Gianluca Delli Ficorelli, Fabio Mazzocco, Luca Sbricoli, Anna Trullenque-Eriksson
PURPOSE: To evaluate whether there are aesthetic and clinical benefits to using a newly designed abutment (Curvomax), over a conventional control abutment (GingiHue). MATERIALS AND METHODS: A total of 49 patients, who required at least two implants, had two sites randomised according to a split-mouth design to receive one abutment of each type at seven different centres. The time of loading (immediate, early or delayed) and of prosthesis (provisional crowns of fixed prosthesis) was decided by the clinicians, but they had to restore both implants in a similar way...
2018: European Journal of Oral Implantology
Miltiadis Mitsias, Konstantinos Siormpas, Valeria Pistilli, Anna Trullenque-Eriksson, Marco Esposito
PURPOSE: To compare the clinical outcome of single, partial and complete fixed implant supported prostheses immediately loaded (within 48 h), early loaded at 6 weeks, and conventionally loaded at 3 months (delayed loading). MATERIALS AND METHODS: A total of 54 patients (18 requiring single implants, 18 partial fixed prostheses, and 18 total fixed cross-arch prostheses) were randomised in equal numbers at two private practices to immediate loading (18 patients), early loading (18 patients), and conventional loading (18 patients) according to a parallel group design with three arms...
2018: European Journal of Oral Implantology
Giorgio Gastaldi, Pietro Felice, Valeria Pistilli, Carlo Barausse, Daniela Rita Ippolito, Marco Esposito
PURPOSE: To evaluate whether 5.0 × 5.0 mm dental implants with a novel nanostructured calcium-incorporated titanium surface could be an alternative to implants of at least 10.0 mm long placed in bone augmented with bone substitutes in posterior atrophic jaws. MATERIALS AND METHODS: Forty patients with atrophic posterior (premolar and molar areas) mandibles with 5.0 mm to 7.0 mm bone height above the mandibular canal, and 40 patients with atrophic maxillas with 4...
2018: European Journal of Oral Implantology
Caroline Bolle, Pietro Felice, Carlo Barausse, Valeria Pistilli, Anna Trullenque-Eriksson, Marco Esposito
PURPOSE: To evaluate whether 4.0 mm short dental implants could be an alternative to augmentation with xenographs in the maxilla and placement of at least 10.0 mm long implants in posterior atrophic jaws. MATERIALS AND METHODS: A group of 40 patients with atrophic posterior (premolar and molar areas) mandibles with 5.0 mm to 6.0 mm bone height above the mandibular canal and 40 patients with atrophic maxillas having 4.0 mm to 5.0 mm below the maxillary sinus, were randomised according to a parallel group design to receive between one and three 4...
2018: European Journal of Oral Implantology
Bruno Tochetto Primo, Leonardo Marcos Mezzari, Luís Carlos da Fontoura Frasca, Raquel Linderman, Elken Gomes Rivaldo
PURPOSE: To evaluate and compare the clinical and radiographic outcomes of mandibular rehabilitation with fixed prostheses on three implants with immediate versus delayed loading. MATERIALS AND METHODS: The sample comprised 21 patients who underwent treatment with immediate loading and 23 who received delayed loading. All had worn their prostheses for at least 18 months. Radiographic evaluation of bone loss was carried out in Adobe Photoshop CS5 by a single calibrated examiner using digitized panoramic radiographs...
March 15, 2018: International Journal of Oral & Maxillofacial Implants
Florian Wagner, Rudolf Seemann, Mauro Marincola, Rolf Ewers
PURPOSE: The aim of this study was to report on 1-year outcomes of fixed full-arch fiber-reinforced resin bridges on short implants in atrophic maxillary jaws. MATERIALS AND METHODS: A prospective cohort study was designed and patients with severely atrophic maxillas, corresponding to Cawood and Howell Classes V and VI, were included. Mesial and distal peri-implant bone levels were assessed on panoramic radiographs that were taken at the time of implant insertion (baseline) and during follow-up visits...
February 19, 2018: Journal of Oral and Maxillofacial Surgery
Renzo Guarnieri, Maurizio Grande, Francesco Zuffetti, Tiziano Testori
PURPOSE: To retrospectively evaluate the incidence of peri-implant mucositis and peri-implantitis around dental implants with the same body design and surface but different collar surface (laser-microgrooved vs not laser-microgrooved) after 5 years of loading in private practice patients. MATERIALS AND METHODS: The study was carried out on patients at a private dental clinic enrolled in a periodontal maintenance program, who received at least one implant with a laser-microgrooved collar surface and one implant without a laser-microgrooved collar surface...
March 2018: International Journal of Oral & Maxillofacial Implants
Laura Lago, Luis da Silva, Isabel Martinez-Silva, Benito Rilo
PURPOSE: The aim of this randomized clinical trial with a 5-year follow-up was to assess the differences in radiographic levels of peri-implant bone crest between tissue-level implants restored with platform matching (control group) and bone-level implants restored with platform switching (test group) in the posterior region. MATERIALS AND METHODS: To assess marginal bone level changes, periapical radiographs were taken at the moment of prosthesis delivery (baseline), at 1 year, and at 5 years after the definitive restoration...
March 2018: International Journal of Oral & Maxillofacial Implants
Alessandro Cucchi, Federica Molè, Lucia Rinaldi, Claudio Marchetti, Giuseppe Corinaldesi
PURPOSE: The primary prevention of peri-implantitis onset is a key factor in long-term implant success, and the evaluation of the antibacterial efficacy of different implant surfaces is fundamental in this way. The aim of this study was to assess if implants with collars coated with anatase were less subjected to bacterial colonization than implants with noncoated collars, and to investigate how implant bacterial colonization varies over time. MATERIALS AND METHODS: Eighteen patients in need of implant-supported rehabilitation were selected to have two adjacent implants placed, one with an anatase-coated collar and one with the collar uncoated...
March 2018: International Journal of Oral & Maxillofacial Implants
Zeev Ormianer, Jonathan Block, Shlomo Matalon, Jerry Kohen
PURPOSE: The objective of this study was to assess whether long-term implant survival rates and bone loss in patients with moderately controlled type 2 diabetes is similar to the rates reported in the nondiabetic population. MATERIALS AND METHODS: This retrospective observational study utilized patient medical records from a general practitioner's dental office. The records of patients who had moderately controlled type 2 diabetes with hemoglobin A1C (HbA1c) up to 8% and glucose level below 150 mg/dL were reviewed, as patients with HbA1c up to 7% are considered to be well-controlled type 2 diabetes...
March 2018: International Journal of Oral & Maxillofacial Implants
N Naenni, P Sahrmann, P R Schmidlin, T Attin, D B Wiedemeier, V Sapata, C H F Hämmerle, R E Jung
The aim of the present study was to evaluate whether 6-mm dental implants in the posterior segments of either jaw perform equally well in terms of clinical and radiographic outcomes when compared with 10-mm implants after 5 y of loading. Patients with single-tooth gaps in the posterior area who were scheduled for implant therapy were randomly assigned to a group receiving either a 6- or 10-mm implant. After a healing period of 10 wk, implants were loaded with a screw-retained single crown and followed up at yearly intervals...
March 1, 2018: Journal of Dental Research
Hamed A Hamed, Hamdy A Marzook, Nahed E Ghoneem, Mohamed I El-Anwar
AIM: This study aimed to evaluate the effect of different implant angulations in posterior maxilla on stress distribution by finite element analysis and verify its results experimentally. METHODS: Two simplified models were prepared for an implant placed vertically and tilted 25° piercing the maxillary sinus. Geometric models' components were prepared by Autodesk Inventor then assembled in ANSYS for finite element analysis. The results of finite element analysis were verified against experimental trials results which were statistically analysed using student t-test (level of significance p < 0...
February 15, 2018: Open Access Macedonian Journal of Medical Sciences
Aya Shibamoto, Toru Ogawa, Joke Duyck, Katleen Vandamme, Ignace Naert, Keiichi Sasaki
The objective of this study is to examine the effect of low-magnitude, high-frequency (LMHF) loading, and anti-osteoporosis medications such as parathyroid hormone (PTH) and bisphosphonates on peri-implant bone healing in an osteoporosis model, and to assess their combined effects on these processes. Thirteen-week-old ovariectomized rats (n = 44) were divided into three groups: PTH, alendronate, and saline. After 3 weeks of drug administration, titanium implants were inserted into the tibiae. Each group was subdivided into two groups: with or without LMHF loading via whole-body vibration (50 Hz at 0...
March 13, 2018: International Journal of Oral Science
Xiangdong Kong, Lei Wang, Guoyuan Li, Xinhua Qu, Jialin Niu, Tingting Tang, Kerong Dai, Guangyin Yuan, Yongqiang Hao
In this work, the in vivo biocompatibility and biodegradation behavior of Mg-Nd-Zn-Zr alloy (denoted as JDBM) screws were studied using a goat femoral condyle fracture model. Blood analysis indicates that the liver and kidney functions of goats were not affected by JDBM, JDBM coated with brushite (denoted as JDBM-DCPD) and PLA implants. Radiographic analysis shows that JDBM-DCPD screw has lower degradation rate than JDBM. Histological images show that compared with PLA, JDBM and JDBM-DCPD show superior effect to promote more new bone formation...
May 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
Ryan L Wong, Sarah Hiyari, Aline Yaghsezian, Mina Davar, Maísa Casarin, Yi-Ling Lin, Sotirios Tetradis, Paulo M Camargo, Flavia Q Pirih
BACKGROUND: Peri-implantitis is an inflammatory response to bacterial biofilm resulting in bone loss and can ultimately lead to implant failure. Due to the lack of predictable treatments available, a thorough understanding of peri-implantitis's pathogenesis is essential. The objective of this study is to evaluate and compare the response of acute induced peri-implantitis and periodontitis lesions after insult removal. METHODS: Implants were placed in one-month-old C57BL/6J male mice eight weeks post extraction of their left maxillary molars...
February 19, 2018: Journal of Periodontology
Zeyad H Al-Sowygh, Abdulaziz A Al-Kheraif, Zohaib Akram, Fahim Vohra, Fawad Javed
BACKGROUND: Peri-implant soft tissue inflammatory parameters and crestal bone loss (CBL) among waterpipe smokers (WS) with and without type 2 diabetes mellitus (T2DM) remains uninvestigated. The aim of the present study was to assess peri-implant soft tissue inflammatory parameters and CBL among WS and never smokers (NS) with and without T2DM. METHODS: Demographic data and information regarding duration of implants in function, daily frequency of smoking, duration and treatment of T2DM and daily tooth brushing was collected using a questionnaire...
March 8, 2018: Journal of Periodontology
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