Periodontal considerations in operative dentistry

Burch, Jennie

doi:10.1016/0022-3913(75)90008-6

Cited by 13 publications

(11 citation statements)

References 10 publications

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“…Selection of a reference standard tooth is an arbitrary institutional decision, and for purposes of this study, we selected the typodont tooth as having representative morphologic contours, adequately representing those that would function harmoniously in the virtual patient "mouth." [7][8][9][10][11][12][15][16][17][18][19][20][21][22] Using individual aspect clinical data to reine the tolerance to ±0.38 mm allows a single value to be applied to the entire surface, which simpliies the digital grading worklow. Initially, we uniformly applied a ±0.50 mm surface contour tolerance comparable to that reported by McPherson et al to each aspect of the tooth.…”

Section: Discussionmentioning

confidence: 99%

“…[7][8][9][10][11][12] Each of the deined surface contours of the reference tooth (mesial proximal, distal proximal, facial axial, lingual axial, and occlusal) was digitally segmented, and the total surface area in each segment was computed using Autodesk Meshmixer (www.meshmixer.com; Figure 1). This tolerance was subsequently reined to ±0.38 mm following a survey of peer-reviewed literature to determine clinically acceptable thresholds that, if exceeded, would lead to biological or biomechanical morbidities.…”

Section: Methodsmentioning

confidence: 99%

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Developing an All‐Digital Workflow for Dental Skills Assessment: Part II, Surface Analysis, Benchmarking, and Grading

Greany

Yassin²,

Lewis

2019

Journal of Dental Education

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In Part I of this study, evidence was presented that visual inspection (VI) of dental student waxups exhibited low precision (ICC=0.332) and accuracy, resulting in questionable grade validity. VI inappropriately assesses morphology in part due to oversimpliied grading rubrics and inappropriate application of ratio measurement to ordinal data. The aim of Part II of this study was to develop, apply, and compare with VI a digital assessment worklow and report the outcomes. After inclusion criteria were met, 67 (83%) student waxups were scanned with an intraoral scanner and analyzed using open source surface comparison software. Each was digitally compared to the homologous standard typodont tooth. Percentage contour variation within a stipulated tolerance was computed. The acceptable tolerance was derived from clinical literature reporting how contour deviations impact the biological and biomechanical stability of teeth and periodontium. Surface roughness of each waxup was also computed and compared with the reference teeth. A formula for digital assessment was developed and applied to each waxup. On average, digital grades exceeded the VI assessments, while correcting individual errors for greater accuracy and precision (ICC=0.866). Students were able to easily apply the digital worklow for visualization and accurate self-evaluation. In this study, a digital grading worklow was developed that used portable data formats and freely available open source analysis software, so the method could be introduced at any dental school where intraoral scanning is available.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Developing an All‐Digital Workflow for Dental Skills Assessment: Part II, Surface Analysis, Benchmarking, and Grading

Greany

Yassin²,

Lewis

2019

Journal of Dental Education

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“…The size, shape and correct position of the wedge affect proximal contacts and gingival embrasure of the restored tooth, both of which are essential for preserving arch stability and gingival health (Burch 1975;Newis 1982).…”

Section: Wedges In Restorative Proceduresmentioning

confidence: 99%

“…A correct dental restoration should restore the form, function and aesthetics of the tooth involved, and at the same time it should prevent recurrent caries and gingival irritation (Barkley, 1971;Burch, 1975). The area that is least resistant to recurrent pathology is the interface between tooth structure and restorative material, particularly in the proximal area where no direct vision, finishing or effective polishing is possible once the restoration is complete.…”

Section: Introductionmentioning

confidence: 99%

Wedges in restorative dentistry: principles and applications

Eli

Weiss

Levi

1991

J of Oral Rehabilitation

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Overhanging margins of proximal restorations are a well-known, iatrogenic cause of periodontal pathology. The high incidence of such findings in Western societies should arose the concern of the dental community. However, overhanging margins represent only part of the iatrogenic problem created by the misuse of wedges in restorative procedures. Other causes include incorrect proximal contouring, inadequate contact points and under- or overfilling the restorative material. The understanding of the variables associated with wedge selection and positioning has a major role to play in the prevention of iatrogenic periodontal pathology associated with restorative procedures. It is concluded that: (i) the occlusion of the matrix band to the remaining healthy tooth structure of the gingival cavosurface line angle should be achieved solely by the correct application of the wedges; (ii) the effect of the wedges on the proximal contour and contact area should be carefully re-evaluated prior to insertion of the restorative material; (iii) various sizes and shapes of wedges and a sharp knife for carving must be readily available.

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“…A number of early publications stressed the importance of marginal ridge relationships (Mosteller, 1950;Goldman, Schluger & Fox, 1956a;Kraus, Jordan & Abrams, 1969;Prichard, 1972a;Johnson, 1973 andBurch, 1975). Prichard (1972a) reported that uneven, adjacent marginal ridges create a step that encourages food impaction.…”

Section: Introductionmentioning

confidence: 99%

Full Issue PDF

2002

Operative Dentistry

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Operative Dentistry publishes articles that advance the practice of operative dentistry. The scope of the journal includes conservation and restoration of teeth; the scientific foundation of operative dental therapy; dental materials; dental education; and the social, political, and economic aspects of dental practice. Review papers, book reviews, letters, and classified ads for faculty positions are also published. Subscriptions: Fax (317) 852-3162Current pricing for individual, institutional and dental student subscriptions (both USA and all other countries) can be found at our website: www.jopdent.org, or by contacting our subscription manager:Fax 317/852-3162 E-mail: jmatis@indy.rr.com Information on single copies, back issues and reprints is also available. Make remittances payable (in US dollars only) to Operative Dentistry and send to the above address. Credit card payment (Visa, MasterCard, or JCB-Japanese equivalent) is also accepted by providing card type, card number, expiration date, and name as it appears on the card. ContributionsContributors should study the instructions for their guidance printed in this journal and should follow them carefully. PermissionFor permission to reproduce material from Operative Dentistry please apply to Operative Dentistry at the above address.The views expressed in Operative Dentistry do not necessarily represent those of the Academies or of the Editors. ilmer Ballou Eames, truly one of dentistry's greatest men, had a distinguished career spanning more than 50 years. In his lifetime, he had a wide variety of interests including a love of music and photography. An outstanding dental practitioner and academician, Dr Eames was a man of great integrity and character who lived his life with a quick wit and a wonderful sense of humor. Editorial Office Operative DentistryWilmer Eames was born in Kansas City, MO on May 8, 1914. His family moved many times in his early years, but finally settled in Grand Junction, Colorado, where they grew cherries. Will attended Boulder High School and became editor of the school paper, where he developed an interest in journalism and photography. Will was taking photos of the office of family dentist Dr John Smith one day when, during the session, Dr Smith convinced Will that he should apply to dental school.Dr Eames entered dental school in 1935 at Kansas City Western Dental College and supplemented his income by singing in a trio, working as a night switchboard operator and doing portrait photography. He met his wife during a portrait shoot and married Elaine in 1939, the same year he graduated from dental school.He first practiced in Grand Junction, but soon was called into the US Army, reaching the rank of Major at Lowery Field in Denver. After WW II, he practiced in Denver with Dr Miles Markley for two years, then went to Glenwood Springs, Colorado for 14 years. While at Glenwood Springs, he was active in his community and served as its school board president. While in private practice, Dr Eames began leading study clubs throughout th...

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Periodontal considerations in operative dentistry

Cited by 13 publications

References 10 publications

Developing an All‐Digital Workflow for Dental Skills Assessment: Part II, Surface Analysis, Benchmarking, and Grading

Developing an All‐Digital Workflow for Dental Skills Assessment: Part II, Surface Analysis, Benchmarking, and Grading

Wedges in restorative dentistry: principles and applications

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