Relationship between the Apical Preparation Diameter and the Apical Seal: An In Vitro Study

Aim and Objectives:To evaluate the apical fill in relation to apical leakage using three different obturating techniques – Single Cone, Ultrafil 3D, and lateral condensation.Materials and Methods:Sixty-six mandibular single-rooted premolar teeth were selected and were randomly assigned into three different groups of obturating techniques. The canals were prepared using 0.4/25 HyFlex CM (Coltene Endo) rotary system file and obturated with corresponding HyFlex CM Single Cone, Ultrafil 3D injectable technique, and lateral condensation. AH Plus (Dentsply, Detrey) has been used as the sealer. Twenty teeth each were assigned to the three experimental groups, and six teeth were used as positive and negative controls (3 in each group). Fluid filtration technique was used to determine the amount of apical leakage. The evaluation was done for 8 min at the interval of every 2 min. The same teeth were sectioned and a spectroscopic examination was done at 2 mm and 4 mm distance from the apices. The obtained data were statistically analyzed using analysis of variance test followed by post hoc turkeys test for multiple comparisons.Results:The mean apical leakage was maximum for lateral condensation when compared to the Single Cone and Ultrafil 3D. The amount of apical fill at 2 mm and at 4 mm was found to be more in the Single Cone than the other two techniques.Conclusion:The present study concluded that Single Cone obturation technique exhibited more gutta-percha filled area in the canal which led to decreased apical leakage than Ultrafil 3D and lateral condensation techniques, proving to be more effective in achieving a complete three-dimensional apical seal.

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“…However, the most important infiltration was observed in the group prepared with the largest apical diameter. [15]…”

Section: Discussionmentioning

confidence: 99%

In vitro interrelationship between apical fill and apical leakage using three different obturation techniques

Shetty

Satish

Luke

et al. 2018

J Int Soc Prevent Communit Dent

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“…Apical microleakage, which is the entrance of oral fluids along the interface between a tooth structure and the obturation materials, is the main cause of endodontic failure [7][8][9]. It is influenced by the presence or absence of smear layer, the physical and chemical properties of root-canalfilling materials, and the technique used [10].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Different Obturation Techniques in Primary Teeth on the Apical Microleakage using Endoflas: A Comparative In Vitro Study

Irzooqee

Haidar

Abdul-Kareem

2023

International Journal of Dentistry

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Objectives. This study was carried out to quantitatively evaluate and compare the sealing ability of Endoflas by using different obturation techniques. Materials and Methods. After 42 extracted primary maxillary incisors and canines were decoronated, their canals were instrumented with K files of size ranging from #15 to #50. In accordance with the obturation technique, the samples were divided into three experimental groups, namely, group I: endodontic pressure syringe, group II: modified disposable syringe, and group III: reamer technique, and two control groups. Dye extraction method was used for leakage evaluation. Data were analyzed using one-way ANOVA and Dunnett’s T3 post hoc tests. The level of significance was set at p < 0.05 . Results. Endodontic pressure syringe had significantly less leakage than the modified disposable syringe and reamer techniques ( p < 0.05 ). Meanwhile, no significant difference was found in the mean leakage between the modified disposable syringe and the reamer techniques. Conclusion. Amongst all the techniques used in this study, endodontic pressure syringe could be preferred as an obturation technique in primary teeth when used with Endoflas obturation material because of its potential to provide good apical seal.

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“…Apical constriction is the smallest diameter of the canal and is the boundary between the pulp tissues and the periodontal tissues. In most cases, it often coincides with or may be near the cemento-dentinal junction [1]. Therefore, the explicit location of the physiological apex of the root canal is a prerequisite for a successful endodontic therapy.…”

Section: Introductionmentioning

confidence: 99%

Difference in Root Canal Length between Populations

2019

JODH

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Introduction: The objective of the study was to make the comparison of the root canal length of different types of teeth in black-Africans (Bantu) to that of Caucasians and Asians. Materials and Methods: Data from a prospective cross-sectional study of Bantu (Black Africans) subjects aged from 18 to 45 years who were admitted in Service of Conservative Dentistry of Kinshasa University, root canal length were compared with already published data from studies involving Caucasians and Asians. Results: This study includes 720 subjects; 480 (66%) were female and 240 (34%) were male. A total of 818 teeth were examined with 1539 root canals. The upper central incisor and the lower first molar predominated respectively in the maxilla and the mandible regions. There is a significant difference between the canal length of Bantu and Asians in the palatal canal of the upper second molar by 3.1 mm (p= 0.00). Eight different canals of Bantu were longer as compared to a single canal for Asians (p <0.05). This include the Vestibular (V) and palatine (P) canals of Bantu the first premolar (PM1 ), palatal of the second premolar (PM2 ), mesio-vestibular (MV), disto-vestibular (DV) and palatine (P) of the first molar (M1 ) mesio-vestibular and palatal of the second molar (M2 ). The lateral incisors (IL) (p= 0,01) and the canines (p= 0.12) of the Asians were longer than that of the Bantu. The Caucasians presented with longer canines than Bantu with a length difference of 1.7 mm (p= 0.11). Four Caucasians also presented with longer canals of the Mesio-Vestibular (MV) and mesiolingual (ML) of the two molars (M1 and M2 ) as compared to one for Bantu are the longest (p <0.05). Exceptionally, the distal canal (D) of the second molar (M2 ) of the Bantu was longer than that of the Caucasians, with a length difference of 1.5 mm. Conclusion: The root canal length of Bantu is between than those of the most Asian and shortest Caucasian.

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Relationship between the Apical Preparation Diameter and the Apical Seal: An In Vitro Study

Cited by 9 publications

References 25 publications

In vitro interrelationship between apical fill and apical leakage using three different obturation techniques

In vitro interrelationship between apical fill and apical leakage using three different obturation techniques

The Effect of Different Obturation Techniques in Primary Teeth on the Apical Microleakage using Endoflas: A Comparative In Vitro Study

Difference in Root Canal Length between Populations

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