Rubrics for Practical Endodontics

Roula S Abiad*

Associate Professor, Endodontics, Director of the Endodontics Division, Department of Restorative Sciences, Faculty of Dentistry, Beirut Arab University, Lebanon

*Corresponding Author:
Roula S Abiad
Associate Professor
Endodontics, Director of the Endodontics Division
Department of Restorative Sciences
Faculty of Dentistry
Beirut Arab University, Lebanon
Tel: +961 1 300110
E-mail: [email protected]

Received Date: March 20, 2017; Accepted Date: March 22, 2017; Published Date: March 29, 2017

Citation: Abiad RS. Rubrics for Practical Endodontics. J Orthod Endod. 2017, 3:1. doi: 10.21767/2469-2980.100039

 
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Assessment of acquired knowledge, affective processes and professional skills represents a corner stone in various educational disciples and dental education is no exception [1]. A student is not able to refine those skills without acknowledging delicacies. A well-structured assessment is key for improving quality of dental education

Assessing students in applied fields such as dentistry represents an ongoing challenge for assessors due to the subjective nature of practical work. One instructors definition of perfect could be another's definition for disastrous. Therefore, questions related to grading and assessments are common among faculty members due to lack of professional training especially amongst junior clinicians and researchers who are new to this career paths.

O'Donnell et al. [2] proposed that one way to objectify the assessment process could be through the use of rubrics: "scaled tools with levels of achievement and clearly defined criteria placed in a grid". Rubrics establish clear rules for evaluation and define the criteria for performance. Such clear rules provide faculty members with guidelines standardizing the grading process. Students on the other hands can understand the rationale behind their mark. Consequently, students can identify the level at which they stand according to the provided rubric and hence can tackle points of weakness. Rubrics can also be utilized by students to self-assess their work. Self-assessment has been shown to enhance active learning and improve practical skills [3]. It is evident that accurate self-acknowledgment of flaws can lead to high dexterity in any subject area especially those requiring high level of practical skills, going about such flaws will only be a matter of time and practice for the student (Figure 1; Tables 1 and 2).

orthodontics-endodontics-preparation-grading

Figure 1: Access cavity preparation grading.

Points Proper (1) Partial (1/2) Improper (0)
Working length (WL) +2 0.5–1 mm short of the radiographic apex. Short up to 2 mm Short more than 2 mm or Over: beyond the anatomical apex
Reference Point (RP) +1 Rubber stopper seated perpendicular to a reliable repeatable point File must be moved to reach the reliable repeatable point Reference point Not Identified
Apical Seat +2 Forceful tapping on the MAF up to the W.L., confirms the resistance form. Forceful tapping on the MAF pushes it beyond the W.L. Gentle tapping on the MAF pushes it beyond the W.L.
Smoothness of the preparation +1 Dragging the file along the circumference of the root canal walls, gives the tactile sense of SMOOTHNESS Dragging the file along the circumference of the root canal walls, gives the tactile sense of ROUGHNESS on One of the side walls. Dragging the file along the circumference of the root canal walls, gives the tactile sense of ROUGHNESS on Two or More the side walls.
Taper +2 The spreader of size not less than 25 or B, must be able to enter 1-2 mm short of the working length along the side of the Master cone. The spreader of size not less than 25 or B, cannot penetrate more than 3 mm short of the working length along the side of the Master cone. Inability to insert any size of spreader along the side of the master cone more than 3 mm short of the W.L.
Maintaining the original shape of the canal & Curvature +2 Absence of Canal transportation, zipping, stripping, ledges or perforations. Ledge or zipping Stripping, Zipped foramen and or any other type of Perforation.

Table 1: Mechanical preparation.

Points Proper Partial Improper
Master cone selection Size +1 Similar to the MAF 1 size smaller or larger than the MAF Size is far from the MAF
Visual +1 The selected MC is clearly marked at the reference point The mark of selected MC is 0.5-1 mm ahead of the RP. The selected MC mark is beyond RP, or more than 1 mm ahead.
Tactile +2 Tug back at the working length Slight resistance to removal only. No tug back at all.
Radiographic +1 The MC is 0.5-1 mm coronal to the radiographic apex The MC is at the radiographic apex or 1.5 - 2 mm coronal The MC is beyond the radiographic apex
or
More than 2 mm coronal to the radiographic apex
Condensation Length +1 The filling is at the W.L The filling is 1-2 mm shorter or longer than the WL The filling is more than 2 mm shorter or longer than the WL
Homogeneity +2 No radiolucencies within the filling Sight radiolucencies but in non-critical areas. Many radiolucencies within the filling
or
Sight radiolucencies but in critical areas. (Like the Apical Foramen)
Adaptation to the walls +1 No radiolucencies between the filling and the canal walls & Reflects properly tapered canal preparation Slight radiolucencies between the filling and one of the canal walls Many radiolucencies between the filling and the canal walls or
Does not reflect properly tapered canal preparation.
Proper cleaning +1 Proper cleaning of the pulp chamber from gutta-percha and sealer Gutta-percha removed from the pulp chamber but sealer not properly cleaned Gutta-percha and sealer not removed from pulp chamber at all.

Table 2: Obturation.

The purpose of this article is to present the rubric implemented at Beirut Arab University, Faculty of Dentistry, and Division of Endodontics for assessing dental students' progress towards competence in practical endodontics which was developed at three grid level and as described in the educational literature.

References

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