IN VITRO EVALUATION OF ACCESS CAVITY LOCATION EFFECT ON FRACTURE RESISTANCE OF MAXILLARY CENTRAL ENDODONTICALLY TREATED TEETH

Q: How can I download an article?

To download an article from SID, first log in to the site, search for the article title, and click on the 'Download Article' option.

Q: How can I download an ISI article?

To download an ISI article on SID, enter the keyword or article title in the search bar, view the relevant results, click on the desired article, and select the 'Download Article' option.

Q: How can I access the SID database?

To access the SID database, visit SID.ir, create an account, and log in to access scientific resources.

Q: Is downloading articles from SID free?

Some articles on SID are available for free, while others require payment. Details are specified on the article's page.

SHIRINZAD M.; KHAMVERDI Z.; GHORBANI S.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: Avicenna Journal of Clinical Medicine Year:2014 | Volume:20 | Issue:4 (SN 70) Page(s): 288-294

Download Full-Text

Persian Verion

View:

753

Download:

Cites:

Information Journal Paper

Title

IN VITRO EVALUATION OF ACCESS CAVITY LOCATION EFFECT ON FRACTURE RESISTANCE OF MAXILLARY CENTRAL ENDODONTICALLY TREATED TEETH

Author(s)

SHIRINZAD M. | KHAMVERDI Z. | GHORBANI S. | Issue Writer Certificate

Keywords

DENTAL CAVITY PREPARATIONQ2

FRACTURE RESISTANCEQ2

INCISORQ2

ROOT CANAL THERAPYQ1

Abstract

Introduction & Objective: Preparation of access cavity to root canal is a critical phase in endodontic treatment. The purpose of this study was to evaluate the effect of access cavity location (labial or palatal) on FRACTURE RESISTANCE of endodontically treated maxillary central teeth.Materials & Methods: In this experimental laboratorial study, 84 intact human maxillary central INCISORs with similar dimensions were selected. The teeth were divided into 4 test groups as follows: Group 1: teeth without access cavity (control group); Group 2: teeth with labial access; Group 3: teeth with palatal access; and Group 4: teeth with labial & palatal accesses. Root canals were cleaned and lateral condensation technique was used to obdurate the canals and ROOT CANAL THERAPY was completed. The access cavities were restored with a light cured microhybrid resin composite. Continuous compressive force at a crosshead speed of 2 mm/min was applied by a testing machine. Load at fracture was recorded in MPa. Modes of fracture were assessed using stereomicroscope at X20 magnification. Data was analyzed using One-Way analysis of Variance and Tukey HSD tests.Results: Means and standard deviations of FRACTURE RESISTANCE for the 4 tested groups were: G1: 1172.2±224.05N, G2:990.4±199.324 N, G3: 861.95±237.089N and G4:784.27±221.586 N. There was significant difference in FRACTURE RESISTANCE values between G1 (control) and each tested group (P<0.05). Mean FRACTURE RESISTANCE for the test group with labial access was higher than the test group with palatal access but no significant difference was observed. Group 2 showed statistical difference compared with group 4 (P=0.017) but there is no significance between group 3 and group 4(P=0.666). Fracture modes in all groups were an oblique pattern and maximum and minimum of unfavorable fractures were seen in the control group with 48% and group 3 with 5%.Conclusion: Preparation of access cavity reduces tooth FRACTURE RESISTANCE. Palatal and labial& palatal accesses decrease considerably tooth fracture of resistance.

Cites

No record.

References

No record.

Cite

APA: Copy

SHIRINZAD, M., KHAMVERDI, Z., & GHORBANI, S.. (2014). IN VITRO EVALUATION OF ACCESS CAVITY LOCATION EFFECT ON FRACTURE RESISTANCE OF MAXILLARY CENTRAL ENDODONTICALLY TREATED TEETH. AVICENNA JOURNAL OF CLINICAL MEDICINE (SCIENTIFIC JOURNAL OF HAMADAN UNIVERSITY OF MEDICAL SCIENCES AND HEALTH SERVICES), 20(4 (SN 70)), 288-294. SID. https://sid.ir/paper/17759/en

Vancouver: Copy

SHIRINZAD M., KHAMVERDI Z., GHORBANI S.. IN VITRO EVALUATION OF ACCESS CAVITY LOCATION EFFECT ON FRACTURE RESISTANCE OF MAXILLARY CENTRAL ENDODONTICALLY TREATED TEETH. AVICENNA JOURNAL OF CLINICAL MEDICINE (SCIENTIFIC JOURNAL OF HAMADAN UNIVERSITY OF MEDICAL SCIENCES AND HEALTH SERVICES)[Internet]. 2014;20(4 (SN 70)):288-294. Available from: https://sid.ir/paper/17759/en

IEEE: Copy

M. SHIRINZAD, Z. KHAMVERDI, and S. GHORBANI, “IN VITRO EVALUATION OF ACCESS CAVITY LOCATION EFFECT ON FRACTURE RESISTANCE OF MAXILLARY CENTRAL ENDODONTICALLY TREATED TEETH,” AVICENNA JOURNAL OF CLINICAL MEDICINE (SCIENTIFIC JOURNAL OF HAMADAN UNIVERSITY OF MEDICAL SCIENCES AND HEALTH SERVICES), vol. 20, no. 4 (SN 70), pp. 288–294, 2014, [Online]. Available: https://sid.ir/paper/17759/en

Related Journal Papers