Root canal posts for the restoration of root filled teeth

Bolla, Michèle Muller; Muller‐Bolla, Michèle; Borg, Cybele; Lupi-Pégurier, Laurence; Laplanche, Olivier; Leforestier, Eric

doi:10.1002/14651858.cd004623.pub3

Cited by 8 publications

(4 citation statements)

References 32 publications

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“…After cavity preparation by laser and conventional methods, a total acid etching system with 37% phosphoric acid was used, followed by use of a Clearfil Universal Bond Quick etching primer on the enamel surface. Cavity preparation by laser was followed by acid etching to reduce microleakage at the enamel-composite interface [15][16][17][18][19]. The reason for selecting only one type of adhesive system was to solely obtain a comparison of the cavity preparation techniques [20].…”

Section: Discussionmentioning

confidence: 99%

Restoration Integrity in Primary Teeth Prepared Using Erbium/Yttrium–Aluminum–Garnet Laser: A Randomized Split-Mouth Clinical Study

Abdrabuh,

El Meligy,

Farsi

et al. 2023

Children

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The most frequently used and universally accepted technique for removing caries is mechanical ablation of decayed tissues by rotating drills. New minimally invasive strategies, such as the use of lasers to perform highly controlled tissue ablation, have been introduced in dental practice. The aim of this study was to assess and compare treatment with a 2940 nm erbium/yttrium–aluminum–garnet (Er:YAG) laser versus a conventional rotary treatment during cavity preparation in children with regard to restoration integrity. In a randomized, controlled, blinded trial using a split-mouth design, 40 (9–12-year-old) children with 80 carious primary molars were included. The cavity in one quadrant was randomized to be treated conventionally using a bur, while the cavity in the other quadrant was prepared using an Er:YAG laser. At the one-year follow-up, clinical examinations were conducted to assess the integrity of the restorations according to the Ryge criteria. The data were analyzed using SPSS version 22 (IBM Inc., Chicago, IL, USA). The average age of the participants was 9.4 ± 1.29 years. Males accounted for 51.4% of the participants. The Ryge criteria showed clinical success of restorations, and there was no discernible difference between the conventional and laser intervention techniques. Over one year, no statistically significant differences in the clinical integrity based on the Ryge criteria were found following class I cavity preparation in primary teeth with either procedure.

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Section: Discussionmentioning

confidence: 99%

Restoration Integrity in Primary Teeth Prepared Using Erbium/Yttrium–Aluminum–Garnet Laser: A Randomized Split-Mouth Clinical Study

Abdrabuh,

El Meligy,

Farsi

et al. 2023

Children

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“…Root fracture is a gradual propagation of craze lines and microcracks in radicular dentin. [ 26 ] Microcracks are formed as a result of rotational forces that are being applied to canal walls. Increased incidence, reported with some rotary instrumentation techniques, is related to design features of rotary instruments such as tip size, cross-sectional geometry, pitch, and taper.…”

Section: Discussionmentioning

confidence: 99%

Fracture resistance of titanium, chrome–cobalt, and gold alloy as post and core materials: A comparative evaluation

et al. 2020

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A BSTRACT Aim: This study aimed to comparatively evaluate the fracture resistance of different metallic post and core materials. Materials and Methods: Twenty-four maxillary–central incisors were selected, standardized, and segregated into three groups (GP I–III) ( n = 8) based on the type of alloy used for post and core preparation. GP I (gold alloy [Au]), GP II (chrome–cobalt alloy [Co–Cr]), and GP III (titanium alloy [Ti]) were comparatively evaluated for use as post and core materials. The teeth were endodontically treated and tooth preparation for post core was done.Metal post and cores were fabricated using indirect wax pattern and luted. Teeth were mounted on resin bases, fracture testing was done, and type of fractures were analyzed. Results: Mesiodistal type of fracture was the most common among experimental groups with a percentage incidence of 54.20%. The comminuted type of fracture was the next most common with a percentage incidence of 29.2%. The incidence of buccolingual, transverse, and other type of fracture was not common and had a percentage incidence of 29.2%, 4.2%, 8.3% and 4.2% respectively. Group II had the highest fracture resistance with a mean value of 742.89N. Group III and Group I had mean values of 482.33 and 361.1123N. Statistically significant difference between experimental groups (I and II) and (II and III) was observed in load values of root fracture (P < 0.05). Conclusion: On the basis of the protocols used and limitations of this study, among metallic post and core materials tested, GP II had the highest fracture resistance values. Further evaluation of these different post and core systems, new alloy formulations designed specifically for use as post and core materials, and assessment in a clinical setting is recommended.

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“…However, long‐term clinical studies found no differences in clinical longevity between metal posts and PFPs with comparable failure patterns (Bolla et al, 2007; Figueiredo et al, 2015; Marchionatti et al, 2017; Sterzenbach et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Clinical performance of custom‐milled polyetherketoneketone (PEKK) posts and cores: A 12‐month follow‐up randomized controlled pilot study

Ghanem,

Ali,

Bahrli

et al. 2024

Clinical & Exp Dental Res

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ObjectivesComparing the survival rate and the cumulative success rates of custom‐milled polyetherketone ketone posts and cores (MPP) with prefabricated fiber posts (PFP) in restoring compromised endodontically treated premolars.Material and MethodsThis was a randomized, double‐blind, parallel, two‐arm controlled pilot study. A total of 24 patients (12 males, 12 females), each had a compromised lower premolar, needed a root canal treatment and to be restored with post and core. Patients were randomly allocated into two groups, MPP‐group: restored with MPP, and PFP‐group: restored with PFP and composite cores. After that, premolars were restored with single porcelain fused to metal (PFM) crowns. Clinical and radiographic follow‐ups were conducted after 3, 6, and 12 months. The Kaplan–Meier, log‐Rank, and χ2 tests were used to investigate differences between the two groups at the 0.05 significance level.ResultsThe survival rate after 12 months in the MPP and PFP groups was 66.7% and 100%, respectively. Meanwhile, the cumulative success rates were 63.6% and 100% in the same order. The log‐rank test showed a significant difference between the two groups (p = .031). The difference in cumulative success rates was also significant, as the χ2 test revealed (p = .011).ConclusionThe PFP group showed a higher success rate than the MPP group and according to the failure types, PEKK posts seem to be inferior to PFP in terms of the mechanical properties and bonding to resin mechanism. Trial registration: ISRCTN, ISRCTN13456471. October, 14, 2019. (https://doi.org/10.1186/ISRCTN13456471ISRCTN13456471).

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Root canal posts for the restoration of root filled teeth

Cited by 8 publications

References 32 publications

Restoration Integrity in Primary Teeth Prepared Using Erbium/Yttrium–Aluminum–Garnet Laser: A Randomized Split-Mouth Clinical Study

Restoration Integrity in Primary Teeth Prepared Using Erbium/Yttrium–Aluminum–Garnet Laser: A Randomized Split-Mouth Clinical Study

Fracture resistance of titanium, chrome–cobalt, and gold alloy as post and core materials: A comparative evaluation

Clinical performance of custom‐milled polyetherketoneketone (PEKK) posts and cores: A 12‐month follow‐up randomized controlled pilot study

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