Comparative evaluation of fracture resistance of primary anterior teeth restored with long dentine posts and teeth restored with short fiber posts: An in vitro study

Ghazawy, Reham E.L.; Badran, Amira

doi:10.1016/j.fdj.2017.11.003

Cited by 10 publications

(20 citation statements)

References 13 publications

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“…5: A): Extracted premolar to be used as dentin post; B): crown portion was separated from the root using diamond disc; C): sectioning of the tooth bucco-lingually D): After sectioning E): Dentin post cementing agent, and the dental structure allows one to attain a sole biomechanical system -MONOBLOCK, with materials that are compatible among themselves. 10,11 The result of this study is in contrast with study done by Henrique et al 3 in 2016 where the results concluded as the fiber and dentin posts exhibited similar stress values and distribution. Another study carried out by Memon et al 4 in 2016 where they compared glass fiber post and dentin post shows that the, the stress in the cervical area of the dentin was more for fiber post when Compared to dentin post which comes in accordance with the present study.…”

Section: Discussioncontrasting

confidence: 99%

A three dimensional finite element analysis of fiber post and dentin post in permanent maxillary central incisors: An in-vitro study

Ramagoni¹,

Kuniyil²,

Kumar³

et al. 2021

IJOHD

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Background: Endodontically treated teeth are generally weakened as a result of loss of tooth structure due to decay, previous restorative procedures and endodontic access preparation. Ideal coronal reconstruction of endodontically treated tooth is still a challenge for restorative dentistry. Post and core system is a widely used method for treatment of structurally weakened teeth. Materials and Methods: Two extracted, caries-free maxillary central incisors with straight root canal were collected and mounted. Post space preparation were done and restored with fiber post and dentin post respectively. The model is simulated using the software "Creo" and this data is then transferred to software "Hypermesh" to create a Finite Element model i.e., a mesh of nodes and elements. This mesh is programmed to contain the material properties which defined how the structure will react to loading conditions at different angles. The Analysis is carried out using the Ansys software. Results: The FEA results showed that the Dentin post have better fracture resistance. Conclusion:The comparison between fiber and dentin posts exhibited a better stress resistance of dentin post over fiber post. Further research in this regard is required to support the findings of this study results.

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Section: Discussioncontrasting

confidence: 99%

A three dimensional finite element analysis of fiber post and dentin post in permanent maxillary central incisors: An in-vitro study

Ramagoni¹,

Kuniyil²,

Kumar³

et al. 2021

IJOHD

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“…Thirty-six dentin posts were divided into three groups according to their different dimensions using a (CNC) milling machine that had the efficacy to control the required dimensions at Abu-Rehab factory for turning and laser cutting, fourth industrial area, 6 October city. (12). It was laboratory work and the researcher could take an idea only about how the dentin posts were constructed.…”

Section: Fabrication Of Dentin Postmentioning

confidence: 99%

“…During condensation of METAPEX into the root canal by a plugger, the plugger was with a stopper that was adjusted at 4 mm in Groups I and II to ensure that 3mm of the canal space free of METAPEX coronally (12) , and was adjusted at 6mm in groups III and IV to ensure that 5mm of the canal space free of METAPEX coronally.…”

Section: Fabrication Of Dentin Postmentioning

confidence: 99%

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Efficacy of Different Dentin Posts for the Treatment of Primary Anterior Teeth (An In vitro study)

El-Shaabany

Elbaz

Omer

2021

Dental Science Updates

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Introduction:Early childhood Caries is a distressing situation for patients and parents and pediatric dentists. Aim: current research was carried out to evaluate fracture resistance and bond strength for different types of dentin posts compared to fiber posts. Materials and Methods: This Current in-vitro study was conducted on 48 extracted primary incisors. Samples were split randomly into 4 groups of 12 for each group. Group-I (fiber posts 6mm length, 1.4mm diameter), Group-II (dentin posts 6mm length, 1.4 diameter), Group-III (dentin posts 8mm length, 1.4mm diameter), Group-IV (dentin posts 8mm length, 1.6mm diameter). Each group was further subdivided into two subgroups (6 for the Push-Out bond strength test and 6 for the fracture resistance test using Universal Testing Machine). Results: It was observed in the fracture resistance test that, Group III showed the highest fracture resistance means (140.678±11.98) followed by Group IV (131.38±7.03), Group-II (94.23±9.84), and finally Group-I that showed the lowest fracture resistance means (80.465±2.82). Push-Out bond strength test revealed that the highest mean value with Group-IV (8.653±1.49), followed by Group-II (6.08±2.25) and Group III (5.67±2.44) have no statistically significant difference between them, while the lowest mean value was for Group-I. Conclusions: Dentin posts showed increased fracture resistance and bond strength more than fiber posts. The use of dentin post as intra-canal retention in primary anterior teeth possesses the most important advantages over the fiber post. Therefore, biological dentin post is a successful alternative for fiber post.

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“…Thus, the pins provide strength and retention for the core material, whereas the core provides stability to the portion coronorradicular. [ 22 23 ]…”

Section: Discussionmentioning

confidence: 99%

Retention of provisional intraradicular retainers using fiberglass pins

Fartes

Resende

Cilli

et al. 2020

J Int Soc Prevent Communit Dent

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A BSTRACT Objectives: The purpose of this study was to compare the retention properties between fiberglass pins with chemically activated acrylic resin and metallic intraradicular retainers often used for the purpose of temporary prosthetic retention. Materials and Methods: Two mechanical tests, pushout and traction, were performed on specimens distributed in three groups ( n = 10) for each test; two metal pins G1: Metalpin Ângelus and G2: Provisional Pivot Jon in addition to one fiberglass pin G3: Whitepost DC-E, FGM. One-way analysis of variance (ANOVA) followed by Tukey’s post hoc test was used at the level of significance α = 0.05. Results: The fiberglass pins (G3) showed higher values in the traction test than the metal pins (G1 and G2) with a statistically significant difference ( P < 0.05); however, they performed similarly to the metal pin groups in the pushout test ( P > 0.05). They also presented a lower occurrence of failure in the relining acrylic resin. Conclusion: The study pointed out the use of fiberglass pins as suitable alternatives for provisional intracanal metallic retainers.

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Comparative evaluation of fracture resistance of primary anterior teeth restored with long dentine posts and teeth restored with short fiber posts: An in vitro study

Cited by 10 publications

References 13 publications

A three dimensional finite element analysis of fiber post and dentin post in permanent maxillary central incisors: An in-vitro study

A three dimensional finite element analysis of fiber post and dentin post in permanent maxillary central incisors: An in-vitro study

Efficacy of Different Dentin Posts for the Treatment of Primary Anterior Teeth (An In vitro study)

Retention of provisional intraradicular retainers using fiberglass pins

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