Residual Dentin Thickness in Bifurcated Maxillary Premolars After Root Canal and Dowel Space Preparation

Katz, Alexander; Wasenstein-Kohn, Silvia; Tamse, Aviad; Zuckerman, Offer

doi:10.1016/j.joen.2005.10.048

Cited by 47 publications

(34 citation statements)

References 24 publications

(34 reference statements)

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“…Research has unequivocally shown that posts do not reinforce teeth and must be surrounded by 1.0 mm of sound dentin (25). The potential of endodontically treated teeth to fracture increases proportionally to the amount of dentin removed, and the risk is even higher in oval and curved roots such as maxillary premolars (26) emphasized the minimal dentin width of the buccal root, especially toward the bifurcation and suggested to avoid posts in these roots.…”

Section: Discussionmentioning

confidence: 99%

Root Form and Canal Morphology of Jordanian Maxillary First Premolars

Awawdeh

Abdullah

Al-Qudah

2008

Journal of Endodontics

105

100

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Section: Discussionmentioning

confidence: 99%

Root Form and Canal Morphology of Jordanian Maxillary First Premolars

Awawdeh

Abdullah

Al-Qudah

2008

Journal of Endodontics

105

100

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“…A lack of knowledge about the extent and thickness of the dentin in this area might lead to excessive thinning or perforation of the dentinal wall during either endodontic or restorative procedures, increasing the possibility of vertical root fractures (9)(10)(11). Furthermore, morphometric studies on the palatal groove of the buccal root and its relationship to the dentin width found that the palatal wall in unprepared roots was, on average, less than 1 mm (4,5,(9)(10)(11)(12). Nevertheless, several studies have shown that posts must be surrounded by 1 mm of sound dentin (13)(14)(15).…”

Section: Introductionmentioning

confidence: 99%

Microcomputed tomographic analysis of the furcation grooves of maxillary first premolars

Al-Shahrani¹

2013

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SummaryObjectives. The aims of this study were to conduct a morphometric analysis on the buccal furcation grooves in freshly extracted bifurcated maxillary first premolars (MFPs) and to correlate all anatomical measurements using microcomputed tomography. Materials and Methods. Twenty-three human MFPs with bifurcated canals were selected for this study. The specimens were analyzed with microcomputed tomography. The length, the beginning, and the ending of the grooves were measured. The minimum cross-sectional canal wall thickness in the grooves was located, and the width of the dentin thickness was calculated. All measurements were recorded and statistically analyzed. Results. The concavity of the grooves begins before the bifurcation site in 9/23 samples and after the bifurcation in 56.5% of samples. The groove length varied between 1.1-9 mm; the cross-sectional area with minimum palatal dentin thickness was 0.78±0.14 mm, which was located at a mean distance of 7.1 mm from the cementoenamel junction (CEJ) and 1.38 mm from the furcation. Conclusions. The presence of the furcation grooves in the palatal aspects of the buccal roots of the MFPs was 100%. The length, depth, location, and width of the dentin thickness of the grooves varied in relation to tooth length, bifurcation, and CEJ. These parameters should be taken into consideration before any endodontic or restorative procedures are performed. Reducing dentin width too vigorously by intracanal instrumentation can predispose to vertical root fractures or perforations; if a post cannot be avoided, it should not extend 6.5 mm from the CEJ.

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“…The results of the study guide (1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18) provide an overview of selected literature on post space restoration. This information is organized into Table 1.…”

Section: Resultsmentioning

confidence: 98%

Post Space Preparation: An Online Study Guide

2008

Journal of Endodontics

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The Editorial Board of the Journal of Endodontics has developed a literature-based study guide of topical areas related to endodontics. This study guide is intended to give the reader a focused review of the essential endodontic literature and does not cite all possible articles related to each topic. Although citing all articles would be comprehensive, it would defeat the idea of a study guide. This section will focus on post space preparation.

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Residual Dentin Thickness in Bifurcated Maxillary Premolars After Root Canal and Dowel Space Preparation

Cited by 47 publications

References 24 publications

Root Form and Canal Morphology of Jordanian Maxillary First Premolars

Root Form and Canal Morphology of Jordanian Maxillary First Premolars

Microcomputed tomographic analysis of the furcation grooves of maxillary first premolars

Post Space Preparation: An Online Study Guide

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