Effect of Magnification on the Precision of Tooth Preparation in Dentistry

Eichenberger, Martina; Biner, N; Amato, M; Lussi, Adrian; Perrin, Philippe

doi:10.2341/17-169-c

Cited by 31 publications

(29 citation statements)

References 19 publications

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“…In the previous study, magnifications were extensively discussed in endodontics and periodontics. 23,24 In restorative dentistry, few studies have addressed the effect of magnifications, they discussed the magnification effect on iatrogenic damage to the adjacent tooth surface, 25 geometrical shapes, 26 and ergonomic benefits. 27 No single study was found that discussed the effect of magnifications in total occlusal convergence for crown-prepared teeth.…”

Section: Discussionmentioning

confidence: 99%

Effect of Low Power Magnification on Total Occlusal Convergence Angles in Crown Preparation

Almalki¹,

Almalki²,

Bahgat³

2019

International Journal of Prosthodontics and Restorative Dentistry

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Purpose: The purpose of this study was to compare the total occlusal convergence angles of crown prepared teeth with low-power magnifying dental loupes and without dental loupes. Materials and methods: Three different typodent maxillary teeth (incisor, premolar, and molar) were prepared with x2.5 dental loupes and other prepared without dental loupes. A total of 96 were made, 48 with dental loupes, 48 without dental loupes. Teeth were admitted for evaluation of the buccolingual and mesiodistal convergence angles of each prepared tooth with AutoCAD digital software. Results: The average buccolingual and mesiodistal total convergence angles for crown-prepared central incisors with dental loupes were 14.73 degrees and 14.94 degrees without dental loupes. In premolars were 16.18 degrees with dental loupes and 17.74 without dental loupes. In molars were 18.55 degrees with dental loupes and 19.18 without dental loupes. Conclusion: There is no statistically significant difference between crown-prepared teeth with 2.5X dental loupes and other crown-prepared teeth without dental loupes.

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Section: Discussionmentioning

confidence: 99%

Effect of Low Power Magnification on Total Occlusal Convergence Angles in Crown Preparation

Almalki¹,

Almalki²,

Bahgat³

2019

International Journal of Prosthodontics and Restorative Dentistry

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“…[1][2][3][4][5][6][7][8] Recent studies with objective visual tests in a simulated clinical setting showed a large variability in the near visual performance of dentists (independent of their age) and a significant deficiency due to presbyopia from above 40 years of age. Over the last several decades, magnifying aids such as loupes and microscopes have also become an important tool in dentistry.…”

Section: Introductionmentioning

confidence: 99%

“…Over the last several decades, magnifying aids such as loupes and microscopes have also become an important tool in dentistry. 8 What is true for dentists is also essential for dental hygienists because their daily work consists not only of probing periodontal pockets or root surfaces but also of the visual detection of carious lesions, filling fractures and calculus. [1][2][3][4][5][6][7][8] Recent studies with objective visual tests in a simulated clinical setting showed a large variability in the near visual performance of dentists (independent of their age) and a significant deficiency due to presbyopia from above 40 years of age.…”

Section: Introductionmentioning

confidence: 99%

“…Most dentists and dental hygienists that use loupes are convinced that their magnification devices and a good near visual acuity have an impact on the treatment outcome, although the scientific evidence in this field is still weak. [1][2][3][4][5][6][7][8] Recent studies with objective visual tests in a simulated clinical setting showed a large variability in the near visual performance of dentists (independent of their age) and a significant deficiency due to presbyopia from above 40 years of age. 9,10 Visual deficiencies can be compensated for with magnification aids in a standardized setting as well as in the individualized setting of a private practice.…”

Section: Introductionmentioning

confidence: 99%

“…[9][10][11] It can be presumed that restricted near vision has an impact on the quality of dental diagnosis and therapy. 8 What is true for dentists is also essential for dental hygienists because their daily work consists not only of probing periodontal pockets or root surfaces but also of the visual detection of carious lesions, filling fractures and calculus. Most publications that address the question of whether dental hygienists should use loupes consider ergonomic characteristics more than optical aspects.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Near visual acuity of dental hygienists with and without magnification

Eichenberger

Perrin

Sieber

et al. 2018

Int J Dental Hygiene

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The impact of magnification on undergraduate dental students' performance during cavity preparations: A systematic review

Ramesh,

Junxi Guo,

Patel

et al. 2024

Journal of Dental Education

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Purpose/ObjectivesLoupe magnification is a commonly utilized tool within dental education due to its proposed benefits of improving working posture, visual acuity, and procedural quality. Although procedural quality has been researched at the graduate level, literature encompassing the undergraduate level remains scarce. Therefore, this systematic review aims to critically assess the available literature to ascertain the effects of loupe magnification on the performance of undergraduate dental students' cavity preparations.Materials and MethodsA systematic search was conducted across electronic databases, including PubMed, MEDLINE via Ovid, The Cochrane Library for Cochrane Reviews, and Scopus, to identify relevant studies published from inception to February 15, 2023. We included English language studies that evaluated the effect of loupe magnification on the performance of undergraduate dental students in cavity preparations.ResultsIn total, six studies fulfilled the inclusion criteria. The outcomes assessed encompassed tooth preparation accuracy. Of these six articles, one was conducted on endodontic access cavity preparations, four on restorative cavity preparations, and one on nonstandard cavity preparation designs performed on acrylic blocs. Four articles determined that loupes positively impacted undergraduate students' performance in cavity preparations, while two articles established no significant difference in performance between loupes and naked‐eye cavity preparations.ConclusionThis systematic review suggests that loupe magnification positively impacts undergraduate dental students' performance in cavity preparations. However, the heterogeneity of the studies and the variations in methodologies limit the ability to draw definitive conclusions.

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Effect of Magnification on the Precision of Tooth Preparation in Dentistry

Abstract: Magnification devices improved the precision of tooth preparation under simulated clinical conditions.

Cited by 31 publications

References 19 publications

Effect of Low Power Magnification on Total Occlusal Convergence Angles in Crown Preparation

Effect of Low Power Magnification on Total Occlusal Convergence Angles in Crown Preparation

Near visual acuity of dental hygienists with and without magnification

The impact of magnification on undergraduate dental students' performance during cavity preparations: A systematic review

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