Restorative Dentistry & Endodontics

The clinical success of ART restorations and Hall technique in primary molars: a randomized 18-month follow-up study: Esra Oz, Zuhal Kırzıoglu, Canan Kale; Restor Dent Endod 2023;48(2):e19. Published online May 1, 2023; DOI: https://doi.org/10.5395/rde.2023.48.e19

Abstract PDF PubReader ePub: Objectives
The aim of the study was to evaluate the clinical and radiographic success of the Hall technique (HT) and atraumatic restorative treatment (ART) restorations using high-viscosity glass-ionomer cement for the management of occlusal carious lesions in primary molars.
Materials and Methods
This randomized clinical study observed 40 children (aged 5–6 years). For each child, one tooth was treated with HT and one with ART. The primary outcome measures for HT restorations were successful, minor, and major failure rates. Clinical evaluations of ART restorations were performed according to the modified United States Public Health Service criteria during 18-month follow-up. McNemar test was used for statistical analysis.
Results
Thirty of 40 (75%) participants returned for 18 months of follow-up. In the clinical evaluations of teeth that were treated with HT, the patients did not have complaints of pain or other symptoms, all crowns remained in the oral cavity, the gums were healthy, and the teeth were functional in all evaluations. At the end of the 18-month follow-up, the surface texture and marginal integrity criteria of ART restorations were recorded as 26.7% and 33.3%, respectively. In the radiographic evaluation of 30 patients treated with ART and HT, all restorations were considered successful.
Conclusions
The 18-month clinical and radiographic results after treatments applied to single-surface cavities in anxious children showed that both treatment methods were successful.

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Chair-side CAD/CAM fabrication of a single-retainer resin bonded fixed dental prosthesis: a case report: Carlos Alberto Jurado, Akimasa Tsujimoto, Hidehiko Watanabe, Jose Villalobos-Tinoco, Jorge Luis Garaicoa, Mark David Markham, Wayne Walter Barkmeier, Mark Andrew Latta; Restor Dent Endod 2020;45(2):e15. Published online February 6, 2020; DOI: https://doi.org/10.5395/rde.2020.45.e15

Abstract PDF PubReader ePub: This clinical report describes designing and fabricating a single-retainer resin-bonded fixed dental prosthesis with a chair-side computer-aided design/computer-aided manufacturing system. The whole procedure, from tooth extraction to final placement of the prosthesis, was completed in one day, and a single clinic visit. No clinical complications were found at the 2-year follow-up after placement of the restoration, and satisfactory functional and esthetic results were achieved.

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Three dimensional reconstruction of teeth using x-ray microtomography: Dong-Hoon Shin; J Korean Acad Conserv Dent 2003;28(6):485-490. Published online November 30, 2003; DOI: https://doi.org/10.5395/JKACD.2003.28.6.485

Abstract PDF PubReader ePub

Complete understanding of the exterior and interior structure of the tooth would be prerequisite to the successful clinical results, especially in the restorative and endodontic treatment.

Although three-dimensional reconstruction method using x-ray microtomography could not be used in clinical cases, it may be the best way to reconstruct the morphologic characteristics of the tooth structure in detail without destructing the tooth itself. This study was done to three dimensionally reconstruct every teeth in the arch in order to increase the understanding about the endodontic treatment and to promote the effective restorative treatment by upgrading the knowledge of the tooth morphology.

After placing tooth between the microfocus x-ray tube and the image intensifier to obtain two-dimensional images of each level, scanning was done under the condition of 80 keV, 100 µA, 16.8 magnification with the spot size of 8 µm. Cross-section pixel size of 16.28 µm and 48.83 cross-section to cross-section distance were also used.

From the results of this study, precise three dimensional reconstructed images of every teeth could be obtained. Furthermore, it was possible to see image that showed interested area only, for example, enamel portion only, pulp and dentin area without enamel structure, pulp only, combination image of enamel and pulp, etc.

It was also possible to see transparent image without some part of tooth structure. This image might be used as a guide when restoring and preparing the full and partial crown by showing the positional and morphological relationship between the pulp and the outer tooth structure.

Another profit may be related with the fact that it would promote the understanding of the interior structure by making observation of the auto-rotating image of .AVI file from the various direction possible.

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