Full Text Journal Articles by
Author Kelvin I Afrashtehfar

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Marginal and internal adaptation of single crowns and fixed dental prostheses by using digital and conventional workflows: A systematic review and meta-analysis.

Mahya Hasanzade, Mahdi Aminikhah, Kelvin I Afrashtehfar, Marzieh Alikhasi,

<h4>Statement of problem</h4>Digital and conventional options for definitive impressions and for the fabrication of fixed dental prostheses (FDPs) have been compared in previous studies. However, a comprehensive review with concluding data that determined which method provided the minimal internal and marginal adaptation is lacking.<h4>Purpose</h4>The purpose of this systematic review and ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2020, :]

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Single versus splinted short implants at sinus augmented sites: A systematic review and meta-analysis.

Kelvin I Afrashtehfar, Joannis Katsoulis, Sreenivas Koka, Kensuke Igarashi,

<h4>Objective</h4>This review primarily evaluated the success, survival and failure rates of implants shorter than 10 mm restored with single-unit or splinted fixed dental prostheses in maxillary sinus augmented sites.<h4>Material and methods</h4>Two reviewers independently performed the systematic search of electronic databases, including MEDLINE, EMBASE and CENTRAL, up to September 2019 with no ... Read more >>

J Stomatol Oral Maxillofac Surg (Journal of stomatology, oral and maxillofacial surgery)
[2020, :]

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Performance of a repair service set for the retrieval of fractured abutment screws: a pilot in vitro study.

Kensuke Igarashi, Kelvin I Afrashtehfar, Martin Schimmel, Arwa Gazzaz, Urs Brägger,

PURPOSE:To report the success of a repair service set for the retrieval of fractured screws and to compare three clinical assessments to an in vitro assessment to verify the completeness of removal of the fractured screws. MATERIALS AND METHODS:Twelve clinicians were asked to remove fractured implant abutment screws from prepared ... Read more >>

Int J Oral Maxillofac Implants (The International journal of oral & maxillofacial implants)
[2019, 34(3):567–573]

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In Vivo and In Vitro Comparison of Internal and Marginal Fit of Digital and Conventional Impressions for Full-Coverage Fixed Restorations: A Systematic Review and Meta-analysis.

Mahya Hasanzade, Mohammadjavad Shirani, Kelvin I Afrashtehfar, Parisa Naseri, Marzieh Alikhasi,

<h4>Purpose</h4>This study aims to evaluate digital and conventional impressions for full-coverage restorations in terms of marginal and internal discrepancies.<h4>Study selection</h4>The analysis included in vivo and in vitro studies reporting the marginal or internal gap of full-coverage restorations that provide both the conventional and digital impression. The PubMed, Cochrane Trials, and Scopus databases ... Read more >>

J Evid Based Dent Pract (The journal of evidence-based dental practice)
[2019, 19(3):236-254]

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A safe holder for adjusting indirect prostheses: The silicone cube technique.

Kelvin I Afrashtehfar, Daniel Buser, Urs C Belser,

J Prosthet Dent (The Journal of prosthetic dentistry)
[2018, 120(2):313-315]

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Prevention and Management of Cheek and/or Tongue Biting Related to Posterior Implant-Supported Fixed Dental Prostheses (ISFDPs).

Kelvin I Afrashtehfar, Urs C Belser,

After the loss of several adjacent posterior teeth, bone resorption occurs that can lead to a marked occlusal discrepancy between arches. This discrepancy may originate from the more pronounced resorption at the facial portion of the alveolar bone crest, often resulting in a more palatal implant position. Therefore, establishing normal ... Read more >>

J Prosthodont (Journal of prosthodontics : official journal of the American College of Prosthodontists)
[2019, 28(7):837-839]

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Role of Cone Beam Computed Tomography in Diagnosis and Treatment Planning in Dentistry: An Update.

Sagrika Shukla, Ashi Chug, Kelvin I Afrashtehfar,

Accurate diagnosis and treatment planning are the backbone of any medical therapy; for this reason, cone beam computed tomography (CBCT) was introduced and has been widely used. CBCT technology provides a three-dimensional image viewing, enabling exact location and extent of lesions or any anatomical region. For the very same reason, ... Read more >>

J Int Soc Prev Community Dent (Journal of International Society of Preventive & Community Dentistry)
[2017, 7(Suppl 3):S125-S136]

Cited: 1 time

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Lay preferences for dentogingival esthetic parameters: A systematic review.

Stefano Del Monte, Kelvin I Afrashtehfar, Elham Emami, Samer Abi Nader, Faleh Tamimi,

<h4>Statement of problem</h4>An objective definition of the characteristics that render a smile esthetically acceptable in the eye of laypeople is lacking.<h4>Purpose</h4>The purpose of this systematic review was to identify, appraise, and synthesize the available evidence on the opinion of laypeople regarding the dentogingival characteristics that render a smile esthetically acceptable. ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2017, 118(6):717-724]

Cited: 1 time

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A modified technique for the intraoral assessment of static occlusal contacts.

Kelvin I Afrashtehfar, Urs Brägger, Kensuke Igarashi, Urs C Belser,

This article describes a procedure in which articulating paper is modified for the intraoral assessment of static occlusal contacts. The rectangular-shaped articulating paper is modified by creating parallel cuts at 2- to 3-mm intervals perpendicular to its long side without completely separating the paper. This modification may improve the accuracy ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2018, 119(6):909-911]

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Implications of bisphosphonate calcium ion depletion interfering with desmosome epithelial seal in osseointegrated implants and pressure ulcers.

Louis Z G Touyz, Kelvin I Afrashtehfar,

Osteoporosis (OP) is a global bone disease prevalent in aging in humans, especially in older women. Bisphosphonates (BPs) are commonly used as therapy for OP as it influences hard and soft tissues calcium metabolism. Mucosal and dermal ulceration with exposure of underlying bone arises from incomplete epithelial recovery due to ... Read more >>

Med Hypotheses (Medical hypotheses)
[2017, 107:22-25]

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Clinical assessment of fractured implant abutment screws: The Bernese silicone replica technique.

Kensuke Igarashi, Kelvin I Afrashtehfar,

Fractured implant abutment screws can be retrieved with repair or rescue devices. However, whether the screw was completely retrieved or the inner implant body was damaged may be uncertain. A silicone replica technique was recently implemented in Bern and may be the most predictable method available at the moment for ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2018, 119(5):717-719]

Cited: 0 times

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Mouthguard use may reduce dentofacial injuries in field hockey players.

Kelvin I Afrashtehfar, Jason Chung,

Data sourcesPubMed, Embase, OvidSP, Web of Science, Cochrane and CINAHL databases were searched up to February 2015 with no language restrictions.Study selectionTwo review authors independently assessed tiles and abstracts of the retrieved case-control, cohorts and cross-sectional studies. For the studies to have been included in the meta-analysis, they must have ... Read more >>

Evid Based Dent (Evidence-based dentistry)
[2017, 18(2):48-49]

Cited: 2 times

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Comments regarding: Cooper LF, Stanford C, Feine J, McGuire M. Prospective assessment of CAD-CAM zirconia abutment and lithium disilicate crown restorations: 2.4 year results. J Prosthet Dent 2016;116:33-9.

Kelvin I Afrashtehfar, Raphael Freitas de Souza,

J Prosthet Dent (The Journal of prosthetic dentistry)
[2018, 119(3):313]

Cited: 0 times

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From dental science to clinical practice: Knowledge translation and evidence-based dentistry principles.

Kelvin I Afrashtehfar, Mansour K Assery,

It has been claimed that in order to decrease the gap between what we know and what we do, research findings must be translated from knowledge to action. Such practices better enable dentists to make evidence-based decisions instead of personal ideas and judgments. To this end, this literature review aims ... Read more >>

Saudi Dent J (The Saudi dental journal)
[2017, 29(3):83-92]

Cited: 2 times

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Five Things to Know About Peri-Implant Mucositis and Peri-Implantitis.

Kelvin I Afrashtehfar, Shahrokh Esfandiari,

This brief manuscript is part of an educational evidence-based series intending to inform clinicians on most recent clinical findings. This article addresses five frequent questions on peri-implant mucositis and peri-implantitis while considering its epidemiology, diagnosis, etiology and management. ... Read more >>

J N J Dent Assoc (Journal of the New Jersey Dental Association)
[2017, 88(1):24-25]

Cited: 0 times

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Letters to the editor.

Kelvin I Afrashtehfar, Urs Brägger, Alejandro Treviño-Santos, Raphael Freitas de Souza,

Evid Based Dent (Evidence-based dentistry)
[2017, 18(1):2]

Cited: 1 time

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An online tool that provides access to evidence-based literature on dental restorations: www.crownorfill.com.

Kelvin I Afrashtehfar, Faleh Tamimi,

J Prosthet Dent (The Journal of prosthetic dentistry)
[2017, 118(6):696-697]

Cited: 1 time

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Patient and miniscrew implant factors influence the success of orthodontic miniscrew implants.

Kelvin I Afrashtehfar,

Data sourcesMedline via PubMed, Scopus and Web of Science databases were searched from January 2003 to March 2015 limited to human studies published in English. Manual searches for the relevant reference lists and a grey literature search via Google Scholar were also conducted.Study selectionProspective and retrospective studies about the stability ... Read more >>

Evid Based Dent (Evidence-based dentistry)
[2016, 17(4):109-110]

Cited: 1 time

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Muscular activity may improve in edentulous patients after implant treatment.

Kelvin I Afrashtehfar, Martin Schimmel,

Data sourcesMedline via Pubmed and the Cochrane Library were searched from January 1980 to September 2013. This was complemented by a manual search of the magazines Deutsche Zahnaerztliche Zeitung, Quintessenz, Zeitschrift für Zahnärztliche Implantologie, Schweizerische Monatszeitschrift and Implantologie. Additionally, the list of reference s of all selected full-text articles and ... Read more >>

Evid Based Dent (Evidence-based dentistry)
[2016, 17(4):119-120]

Cited: 0 times

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Failure rate of single-unit restorations on posterior vital teeth: A systematic review.

Kelvin I Afrashtehfar, Elham Emami, Motahareh Ahmadi, Owis Eilayyan, Samer Abi-Nader, Faleh Tamimi,

<h4>Statement of problem</h4>No knowledge synthesis exists concerning when to use a direct restoration versus a complete-coverage indirect restoration in posterior vital teeth.<h4>Purpose</h4>The purpose of this systematic review was to identify the failure rate of conventional single-unit tooth-supported restorations in posterior permanent vital teeth as a function of remaining tooth structure.<h4>Material ... Read more >>

J Prosthet Dent (The Journal of prosthetic dentistry)
[2017, 117(3):345-353.e8]

Cited: 11 times

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Lack of association between overload and peri-implant tissue loss in healthy conditions.

Kelvin I Afrashtehfar, Cyrus Dm Afrashtehfar,

Data sourcesPubMed, Ovid, EMBASE and LILACS were searched up to December 2011. In addition, the reference lists of the selected review papers were further hand searched. Language was limited to studies published only in English.Study selectionHuman and animal randomised clinical trials (RCT), systematic reviews of RCTs, non-randomised trials, case series ... Read more >>

Evid Based Dent (Evidence-based dentistry)
[2016, 17(3):92-93]

Cited: 2 times

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Template Fabrication for Tomographical Diagnosis in Implant Dentistry: Two Clinical Cases.

Hugo A Zamora-Montes de Oca, Kelvin I Afrashtehfar,

J N J Dent Assoc (Journal of the New Jersey Dental Association)
[2016, 87(3):20-24]

Cited: 0 times

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The all-on-four concept may be a viable treatment option for edentulous rehabilitation.

Kelvin I Afrashtehfar,

Data sourcesMedline, the Cochrane Library, Google and hand-searches of systematic reviews and bibliographies from related journals in English and German up to August 2012.Study selectionThree reviewers independently searched for clinical trials that assessed the success rates of placing two anterior and two posterior tilted dental implants in humans either in ... Read more >>

Evid Based Dent (Evidence-based dentistry)
[2016, 17(2):56-57]

Cited: 2 times

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HOW DO I MANAGE A PATIENT WITH LATERAL LUXATION OF A PERMANENT INCISOR?

Cyrus D M Afrashtehfar, Annie Marleau, Kelvin I Afrashtehfar,

J Can Dent Assoc (Journal (Canadian Dental Association))
[2016, 82:g21]

Cited: 0 times

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Evidence regarding lingual fixed orthodontic appliances' therapeutic and adverse effects is insufficient.

Kelvin I Afrashtehfar,

Data sourcesMedline, Cochrane Database of Systematic Reviews, Database of Abstracts of Reviews of Effects, Cochrane Central Register of Controlled Trials, Virtual Health Library and Web of Science were systematically searched up to July 2015 without limitations. Scopus, Google Scholar, ClinicalTrials.gov, the ISRCTN registry as well as reference lists of the ... Read more >>

Evid Based Dent (Evidence-based dentistry)
[2016, 17(2):54-55]

Cited: 5 times

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