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Clinical Implant Dentistry and related Research

Sigmar Schnutenhaus, Sebastian Gröller, Ralph G Luthardt, Heike Rudolph
BACKGROUND: Template-guided implant placement is a method for optimal implant positioning from a prosthetic and surgical viewpoint. The treatment planning is based on three-dimensional X-ray data and model scan data, as well as on prosthetic planning (set-up). These data are matched (superimposed) with the aid of an X-ray template or by manual matching without special referencing. PURPOSE: The objective of this prospective controlled clinical study was to determine and compare the accuracy of the match with and without an additional X-ray template...
April 25, 2018: Clinical Implant Dentistry and related Research
Lixuan Niu, Juan Wang, Huajie Yu, Lixin Qiu
BACKGROUND: It is complicated to select an appropriate sinus floor elevation and the procedure for sinus floor elevation lacks of consensus. Sinus contour plays an important role in choosing a surgery approach. But there are still no published articles revealing the influence of sinus contours to sinus floor elevation surgery. PURPOSE: We propose a new classification depending on sinus contours from cone-beam computed tomography (CBCT), analyze clinical characters of different types, and investigate the relationship between sinus contours and sinus floor elevation...
April 25, 2018: Clinical Implant Dentistry and related Research
Ahmed H Osman, Mohammed Atef
BACKGROUND: The introduction of CAD/CAM technology allowed clinicians to carry out complex procedures with a high level of precision and reproducibility and minimize the risk of injury during the procedure. PURPOSE: The aim of the present study is to evaluate the efficacy of the CAD/CAM surgical guide during chin harvesting procedures in reducing the risk of neurosensory damage and patient morbidity compared with the standard technique. MATERIALS AND METHODS: About 20 cases of autogenous block chin harvest were randomly into two groups...
April 23, 2018: Clinical Implant Dentistry and related Research
Stefanie Raes, Aryan Eghbali, Vivianne Chappuis, Filiep Raes, Hugo De Bruyn, Jan Cosyn
BACKGROUND: Although many studies have been published on single implants, long-term data remain scarce. PURPOSE: To evaluate immediately restored single implants after at least 8 years of follow-up in terms of buccal bone, soft tissue alterations, aesthetic ratings, and patient-reported outcomes. MATERIALS AND METHODS: This prospective cohort study included patients who were consecutively treated with an immediately restored single implant installed in an extraction socket (IIT) or a healed ridge (CIT) in the anterior maxilla...
April 19, 2018: Clinical Implant Dentistry and related Research
Joji Markose, Shruthi Eshwar, Suresh Srinivas, Vipin Jain
BACKGROUND: Short implants are preferred in cases of limited bone height. Length and design of implant credits to stability and implant success, shorter implants tend to survive for longer time duration. PURPOSE: Retrospective cohort study was conducted with an aim to assess the clinical outcome and cumulative survival rate of sloping shoulder implants over a period of 8 years. MATERIALS AND METHODS: Data was collected from all patients attending private clinics in Dubai, UAE...
April 19, 2018: Clinical Implant Dentistry and related Research
Anand Kumar Muktadar, Makam Gangaiah, Bruno Ramos Chrcanovic, Ramesh Chowdhary
PURPOSE: To evaluate of the effect of self-cutting and nonself-cutting thread designed implant with different thread depth on variable insertion torques. To evaluate the bone volume (BV) and bone to implant contact (BIC) in these variables MATERIALS AND METHODS: Mainly two thread design, V-shaped thread which is self-cutting and power thread design, which is nonself-cutting implants were considered for this study with a variation in thread depth of 0.4 and 0.6 mm for both the designs, respectively...
April 16, 2018: Clinical Implant Dentistry and related Research
Pradeep Christopher J, Thenaruvi Marimuthu, Krithika C, Poorna Devadoss, Santhosh M Kumar
BACKGROUND: Anterior loop of the mental nerve is a very important anatomic landmark in implant placement and anterior mandibular osteotomies. PURPOSE: Two-dimensional imaging techniques are not competent enough to locate and measure the mental nerve loop in majority of the cases. Any injury to this loop results in pain/paresthesia/numbness in the region supplied by the mental nerve. The aim of this study is to analyze the prevalence and measure the length of the loop using cone beam computerized tomography (CBCT) and calculate the average length and prevalence so that a safe margin can be given while placing the implants or the osteotomy cuts in the premolar region...
April 6, 2018: Clinical Implant Dentistry and related Research
Mohammed Alrabiah, Khulud Abdulrahman Al-Aali, Zeyad H Al-Sowygh, Abdulelah M Binmahfooz, Sameer A Mokeem, Tariq Abduljabbar
BACKGROUND: It is postulated that peri-implant sulcular fluid (PISF) levels of advanced glycation end products (AGEs) are higher with high glycemic levels. PURPOSE: In the present clinico-biochemical study, we explored the clinical and radiographic peri-implant parameters and levels of AGEs among prediabetic, type 2 diabetic (T2DM), and non-diabetic patients and to evaluate the correlation of AGEs with clinical peri-implant parameters. MATERIALS AND METHODS: Ninety patients were divided into three groups of 30 patients each; group 1: patients with prediabetes; group 2: patients with T2DM; and group 3: non-diabetic individuals...
April 6, 2018: Clinical Implant Dentistry and related Research
Raissa Micaella Marcello-Machado, Fernanda Faot, Alessandra Julie Schuster, Amália Machado Bielemann, Otacílio Luiz Chagas Júnior, Altair Antoninha Del Bel Cury
BACKGROUND: Narrow diameter implants (NDI) are recommended to retain mandibular overdentures (MOs) in cases of limited bone thickness. It is necessary to evaluate the clinical behavior of NDI as MO retainers connected to a new screwless locking taper abutments, their predictability and maintenance problems. OBJECTIVES: To evaluate the peri-implant tissue behavior around NDI and the performance of locking taper stud abutments as MO retainers. METHODOLOGY: Thirty patients (average age of 67...
March 26, 2018: Clinical Implant Dentistry and related Research
Jing Ge, Chi Yang, Yong Wang, Jiawei Zheng, Hongfei Hua, Jun Zhu
BACKGROUND: The extraction of impacted mandibular 3rd molar is highly related to bone defect distal to the adjacent 2nd molar. PURPOSE: The aim of this study was to evaluate the effect of different grafting materials for the treatment of bone defect distal to the mandibular molar in canine model. MATERIALS AND METHODS: In 12 beagle dogs, bilateral mandibular 2nd and 3rd molars were extracted and entire mesial bone of the 2nd molar extracted socket was surgically removed...
March 25, 2018: Clinical Implant Dentistry and related Research
Khulud A Al-Aali, Mohammed Alrabiah, Aws S ArRejaie, Tariq Abduljabbar, Fahim Vohra, Zohaib Akram
BACKGROUND: To the author's knowledge, there has been no study that has assessed clinical, radiographic, and immunological peri-implant parameters among individuals vaping e-cigarette (e-cig). PURPOSE: This pilot study aimed to compare clinical and radiographic peri-implant parameters and levels of tumor necrosis factor alpha (TNF-α) and interleukin (IL)-1β levels among individuals vaping e-cigs and never smoker (NS). MATERIALS AND METHODS: Forty-seven individuals vaping e-cigs (group-1) and 45 NS (group-2) were included...
March 25, 2018: Clinical Implant Dentistry and related Research
Waleed Fouad, Ahmed Osman, Mohammed Atef, Maha Hakam
OBJECTIVE: The aim of this study is to evaluate the analytical difference between the use of xenograft (control group) and graftless tenting (test group) technique after sinus lift procedure with simultaneous implant placement. MATERIALS AND METHODS: Seventeen patients and 20 sinuses where operated for sinus lift procedures using lateral window approach with simultaneous implant placement. Deproteinized bovine bone (Xenograft) was used as a filling material in control group while nongrafted sinus lifting was performed in the test group...
March 25, 2018: Clinical Implant Dentistry and related Research
Maarten Glibert, Stijn Vervaeke, Wolfgang Jacquet, Kim Vermeersch, Pär-Olov Östman, Hugo De Bruyn
BACKGROUND: It is claimed that bone remodeling is limited when the implant neck has microthreads and an internal abutment connection. However, comparative studies, excluding confounding factors, are scarce. AIM: This RCT aims to assess whether a coronal microthreaded design and an internal abutment connection affects crestal bone loss, up to one year of function. MATERIALS AND METHODS: Twenty-one maxillary edentulous patients were consecutively treated for a bar supported maxillary overdenture on four different implants with respectively: internal connection and microthreads on the implant neck (I MT); internal connection, no microthreads (I NMT), external connection, with microthreads (E MT), and external connection, without microthreads (E NMT)...
March 25, 2018: Clinical Implant Dentistry and related Research
Robert Noelken, Maximilian Moergel, Tobias Pausch, Martin Kunkel, Wilfried Wagner
BACKGROUND: Recessions following immediate implant insertion are frequently reported in the literature. Data regarding implant installation in presence of mucogingival recessions are rare. PURPOSE: This study observes soft tissue level changes following immediate implant insertion and provisionalization of implants with or without connective tissue grafts in the anterior maxilla in patients with initial mucogingival recession within a follow-up period between one and eight years...
March 24, 2018: Clinical Implant Dentistry and related Research
Muhammad H A Saleh, Andrea Ravidà, Fernando Suárez-López Del Amo, Guo-Hao Lin, Farah Asa'ad, Hom-Lay Wang
PURPOSE: To investigate the effect of the apico-coronal implant position on early and late crestal bone loss (CBL), in bone and tissue level implants. MATERIALS AND METHODS: Electronic and manual literature searches were conducted for controlled clinical trials reporting on CBL before and after functional loading of implants. Random effects meta-analyses were applied to analyze the weighted mean difference (WMD) and meta-regression was conducted to investigate any potential influences of select confounding factors...
March 24, 2018: Clinical Implant Dentistry and related Research
William Becker, Philippe Hujoel, Burton E Becker
BACKGROUND: Numerous studies indicate implants placed immediately after extraction or with minimally invasive procedures have excellent long-term success and survival rates. There is general agreement that implants must be stable after implant placement. This study evaluated implant stability changes from the time of implant placement to second stage (prior to restoration). Resonance frequency analysis (RFA) was determined for two commercially available units (Osstell, Osstell USA, Columbia, MD and Penguin, Penguin Integration Diagnostics, Sweden)...
March 13, 2018: Clinical Implant Dentistry and related Research
Fathima Banu Raza, Anand Kumar Vaidyanathan, Padmanabhan T Veeravalli, Subhiksha Ravishankar, Aashique S Ali
BACKGROUND: Single piece implant in fixed prosthesis is widely been evaluated, however, long term evaluation of crestal bone loss and the wear of O-ring in single piece ball attachment implant supported overdenture is yet to be evaluated PURPOSE: The present article evaluates the crestal bone loss around single piece ball attachment implants placed bilaterally in the canine region and the wear of O-ring in implant supported overdenture over a period of three years. MATERIALS AND METHODS: Twelve completely edentulous patients between the age group of 55-65 years were selected...
March 6, 2018: Clinical Implant Dentistry and related Research
Yaniv Mayer, Ofir Ginesin, Alaa Khutaba, Eli E Machtei, Hadar Zigdon Giladi
BACKGROUND: Cells, scaffolds, and growth factors are the key components in bone tissue engineering. Scaffold composition, topography, and architecture influence the amount of regenerated bone in the implantation site. The aims of the study were to compare viability and proliferation of mesenchymal stem cells (MSCs) seeded onto two commercial xenografts: Bio-Oss (BO) and bioactive bone bovine (BB). Next, these materials were compared for histomorphometric bone formation in a socket preservation model in rats...
March 6, 2018: Clinical Implant Dentistry and related Research
Fernando Moreno de Oliveira, Rodrigo Salazar-Gamarra, David Öhman, Ulf Nannmark, Vanessa Pecorari, Luciano Lauria Dib
STATEMENT OF PROBLEM: Evaluate the effect of orbital prosthesis retained by implants through a specific quality of life (QOL) questionnaire provides important information on patients QOL, great incentive for the multidisciplinary team and public health support to continue work in this area. PURPOSE: The objective of the study was to evaluate patient satisfaction with orbital implant-supported prostheses using an adapted quality of life questionnaire. MATERIALS AND METHODS: Forty five patients using orbital implant-supported prostheses for a period ranging from six to 120 months...
March 6, 2018: Clinical Implant Dentistry and related Research
Mikako Tanaka, Emi Yamashita-Mikami, Kohei Akazawa, Michiko Yoshizawa, Yoshiaki Arai, Sadakazu Ejiri
BACKGROUND: Long-term changes of trabecular microstructure in human tooth extraction socket have not been investigated. PURPOSE: To examine the trabecular microstructure of human residual ridges at various intervals following tooth extraction, and to determine whether bone remodeling activity can attain points of relative stability and when such points are reached. MATERIALS AND METHODS: Forty-four bone biopsy specimens were obtained from lower molar or premolar regions of residual ridges...
March 6, 2018: Clinical Implant Dentistry and related Research
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