scholarly journals Effect of dental implant angulation on the dimensional accuracy of master casts

2021 ◽  
Vol 58 (4) ◽  
pp. 473-482
Author(s):  
Negar Barjini ◽  
Sahar Sayahpour ◽  
Maryam Jafari
Keyword(s):  
Dental Implant ◽  
Dimensional Accuracy

scholarly journals A Comparative study of Different Impression Materials and Techniques of Dental Implant at The Second Stage of Procedure

2019 ◽  
Vol 4 (2) ◽  
pp. 90-93
Author(s):  
Hussameldien Hussien ◽  
◽  
Natashekara Mallesh ◽  
Keyword(s):  
Comparative Study ◽  
Dental Implants ◽  
Dental Implant ◽  
Dimensional Accuracy ◽  
Conclusive Evidence ◽  
Impression Material ◽  
Second Stage ◽  
Impression Materials ◽  
Significant Difference

Background of the study: Dental implants are one of the most sought-after choice of treatment for restoration and rehabilitation of missing teeth. However, the accuracy of the removable or fixed superstructures over the dental implants is influenced for a major proportion by the impression techniques and materials. This paper discusses the comparison of the accuracy of different impression materials and techniques used in the second stage of the dental implant treatment in vivo. Objective: The objective of the paper is to study the comparison of the accuracy of different impression materials and techniques used in the second stage of the dental implant’s treatment in vivo. Search methodology: Electronically key searched in scientific literature databases. Selection criteria: Based on the set inclusion and exclusion criteria such as studies conducted in partial edentulous arches, in the age group of 30 to 55 years. Data collection and analysis: A total of 248 literatures were found to be relevant to the framed topic and were scrutinised based on the dejected criteria and 18 kinds of literature obtained were taken into consideration. Main Result: Among the different impression materials taken into the comparative study, it was observed that polyvinyl siloxane exhibited a dimensional accuracy slightly greater than polyether. However, light body putty exhibited greater accuracy than medium body putty. Various impression techniques were compared to evaluate the dimensional accuracy of the impression. It was observed that the open tray technique and splinted impression technique produced a more dimensionally stable impression than the other techniques. Authors Conclusion: this study to assess the accuracy of various impression material and methods has concluded that while impression techniques influence the accuracy of the impression, the impression materials namely the Polyvinyl siloxane and polyether exhibit no significant difference with a slight preference to the polyvinyl siloxane. Hence the choice of impression material is at the discretion of the dentist performing the treatment and also this area requires further studies to establish conclusive evidence.

scholarly journals Comparative Study of Dimensional Accuracy in Three Dental Implant Impression Techniques: Open Tray, Closed Tray with Impression Coping, and Snap Cap

2018 ◽  
Vol 19 (8) ◽  
pp. 974-981 ◽  
Author(s):  
Alireza Izadi ◽  
Bijan Heidari ◽  
Ghodratollah Roshanaei ◽  
Hanif Allahbakhshi ◽  
Farnoush Fotovat
Keyword(s):  
Comparative Study ◽  
Dental Implant ◽  
Dimensional Accuracy

scholarly journals Review of the radiographic modalities used during dental implant therapy - A narrative

2021 ◽  
Vol 76 (2) ◽  
pp. 84-90
Author(s):  
Khaled R Beshtawi ◽  
Mogammad T Peck ◽  
Manogari Chetty
Keyword(s):  
Dental Implant ◽  
Three Dimensional ◽  
Dimensional Accuracy ◽  
Daily Practice ◽  
Dental Practice ◽  
X Ray ◽  
Radiographic Technique ◽  
Implant Therapy ◽  
Dental Radiographs ◽  
Success Of Treatment

The introduction of digital x-ray receivers which replaced conventional films was a significant radiographic development that is commonly used in daily dental practice. Dental implant therapy (DIT) is a sought after dental therapeutic intervention and dental radiography is an essential component contributing to the success of treatment. Dental radiographs taken in daily practice are generally conventional two-dimensional images and/or three-dimensional images. Ideally, the choice of radiographic technique should be determined after a thorough clinical examination and comprehensive consideration of the advantages, indications, and drawbacks. Digital three-dimensional modalities that have emerged over the last decade have been incorporated into DIT with the assumption that treatment outcomes will be improved. These modalities are constantly being reassessed and improved but there is a paucity of published information regarding the assessment of variables such as dosages and dimensional accuracy, suggesting that further research in these matters is necessary. This is crucial in order to obtain evidence-based information that may influence future radiographic practices. In this narrative, the authors present the most commonly used dental radiographic modalities currently used in DIT.

scholarly journals Dental implant imaging: What do South African dentists and dental specialists prefer?

2021 ◽  
Vol 76 (08) ◽  
pp. 448-456
Author(s):  
Khaled R Beshtawi ◽  
Mogammad T Peck ◽  
Hussein M Mahmoud ◽  
Manogari Chetty
Keyword(s):  
South African ◽  
Dental Implant ◽  
Three Dimensional ◽  
Dimensional Accuracy ◽  
Radiographic Examination ◽  
Multiple Choice Questions ◽  
Panoramic Radiographs ◽  
Asymptomatic Patients ◽  
Implant Therapy

To document the types of imaging modalities that are commonly prescribed during dental implant therapy in South Africa. The radiographic preferences were obtained from practitioners via an electronic survey that was disseminated during local dental conferences, electronic channels (e.g., email lists) of multiple dental schools and local dental scientific societies, and personal interviews. The survey consisted of multiple-choice questions which were designed to investigate the most common radiographic prescriptions during various treatment phases of implant therapy. The responses of one hundred and forty-two participants (General practitioners and dental specialists) practising in different South African provinces were collected and assessed. Principally, panoramic radiographs combined with cone beam computed tomography (PAN + CBCT) followed by CBCT, as a single examination (ASE), were the most preferable modalities during the implant planning phase (39% and 29%, respectively). During and directly after the surgery, periapical radiographs (ASE) were the most preferred (87% and 65%, respectively). The most widely preferred radiographic examination during the planning of implants was panoramic radiographs combined with CBCT. Periapical radiographs (ASE) were favoured during, directly after the treatment, and during the follow-up of asymptomatic patients by the majority of participants. However, CBCT (ASE) was preferred in the follow up of symptomatic patients. Factors related to extra anatomical information and superior dimensional accuracy provided by three-dimensional volumes (e.g., CBCT volumes), were the most indicated influencing factors on the radiographic prescriptions during implant planning.

Dental implant patients and their satisfaction with treatment

1990 ◽  
Vol 54 (11) ◽  
pp. 670-679 ◽  
Author(s):  
M Tavares ◽  
LG Branch ◽  
L Shulman
Keyword(s):  
Dental Implant ◽  
Satisfaction With Treatment

Dental implant retrieval analyses

1988 ◽  
Vol 52 (12) ◽  
pp. 748-756 ◽  
Author(s):  
JE Lemons
Keyword(s):  
Dental Implant

Finite element analysis on dental implant[ndash ]supported prostheses without passive fit

2002 ◽  
Vol 11 (1) ◽  
pp. 30-40 ◽  
Author(s):  
Chatchai Kunavisarut ◽  
Lisa A. Lang ◽  
Brian R. Stoner ◽  
David A. Felton
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Dental Implant ◽  
Element Analysis ◽  
Passive Fit

Evaluation of geometrical benchmark artifacts containing multiple overhang lengths fabricated using material extrusion technique

2020 ◽  
Vol 14 (3) ◽  
pp. 7296-7308
Author(s):  
Siti Nur Humaira Mazlan ◽  
Aini Zuhra Abdul Kadir ◽  
N. H. A. Ngadiman ◽  
M.R. Alkahari
Keyword(s):  
3D Model ◽  
Laser Scanner ◽  
Dimensional Accuracy ◽  
Fused Deposition Modelling ◽  
Layer By Layer ◽  
Fused Deposition ◽  
Layer Technique ◽  
Subtractive Manufacturing ◽  
Manufacturing Features ◽  
Layer Problem

Fused deposition modelling (FDM) is a process of joining materials based on material entrusion technique to produce objects from 3D model using layer-by-layer technique as opposed to subtractive manufacturing. However, many challenges arise in the FDM-printed part such as warping, first layer problem and elephant food that was led to an error in dimensional accuracy of the printed parts especially for the overhanging parts. Hence, in order to investigate the manufacturability of the FDM printed part, various geometrical and manufacturing features were developed using the benchmarking artifacts. Therefore, in this study, new benchmarking artifacts containing multiple overhang lengths were proposed. After the benchmarking artifacts were developed, each of the features were inspected using 3D laser scanner to measure the dimensional accuracy and tolerances. Based on 3D scanned parts, 80% of the fabricated parts were fabricated within ±0.5 mm of dimensional accuracy as compared with the CAD data. In addition, the multiple overhang lengths were also successfully fabricated with a very significant of filament sagging observed.

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