Impact of fully guided implant planning software training on the knowledge acquisition and satisfaction of dental undergraduate students

Figures & data

Figure 1. CONSORT flowchart of the methodology followed in the study.

Figure 2. Showing the basic steps in virtual implant planning procedure. A-Mapping the intraoral scan with CBCT. B-Mapping of virtual crown with CBCT. C- position the implant using implant centric view. D- preparation of the virtual surgical guide.

Table 1. Overall Comparison of the test scores between the study groups.

							ANOVA
	Study Group	N	Mean	SD	Minimum	Maximum	F	p-value
Knowledge component (Knows) (out of 10)	A	30	7.27	1.36	5	10	24.44	0.01*
	B	30	7.30	1.56	4	10
	C	30	9.27	0.74	8	10
Procedure component (Knows how) (out of 5)	A	30	3.17	1.02	1	5	15.09	0.01*
	B	30	2.97	1.25	1	5
	C	30	4.30	0.70	3	5
Overall test score (out of 15)	A	30	10.57	1.68	8	14	31.04	0.01*
	B	30	10.33	2.26	6	15
	C	30	13.57	1.22	11	15

Note: *p < 0.05 Statistically Significant, p > 0.05 Non-Significant, NS.

Table 2. Pairwise comparison of the test scores between the study groups.

						95% Confidence Interval
	(I) Groups	(J) Groups	Mean Difference (I-J)	Std. Error	p-value	Lower Bound	Upper Bound
Knowledge component (Knows) (out of 10)	A	B	−0.03	0.33	0.99(NS)	−0.81	0.75
		C	−2.00	0.33	0.01*	−2.78	−1.22
	B	C	−1.97	0.33	0.01*	−2.75	−1.19
Procedure component (Knows how) (out of 5)	A	B	0.20	0.26	0.73(NS)	−0.42	0.82
		C	−1.13	0.26	0.01*	−1.76	−0.51
	B	C	−1.33	0.26	0.01*	−1.96	−0.71
Overall test score (out of 15)	A	B	0.23	0.46	0.87(NS)	−0.86	1.33
		C	−3.00	0.46	0.01*	−4.09	−1.91
	B	C	−3.23	0.46	0.01*	−4.33	−2.14

Note: Tukey Post Hoc Test.

*p < 0.05 Statistically Significant, p > 0.05 Non Significant, NS.

Table 3. Question analysis of the MCQs used in the study.

Discrimination	Range	Number of questions
Good	>0.30	4
Fair	0.10 to 0.30	9
Poor	−1.0 to 0.10	2
Can’t calculate		0
Total questions		15
Difficulty	Range	Number of questions
Easy	>80%	5
Medium	30% to 80%	10
Hard	<30%	0
Total questions		15
Reliability	Range	Cronbach’s Alpha
Good	0.8 to 0.9	0.866

Figure 3. Graph showing results of the questionnaire regarding fully guided implant planning.

Figure 4. Pie chart showing students’ views on virtual implant planning.

Table

Sl no	MCQ stem	Possible answers/choices
1	What is the format of the intraoral scan used in virtual implant planning?	STL JPEG PNG TIFF
2	What is the primary function of the implant sleeve in implantology procedure?	To stabilize the implant To guide/position the surgical drill To guide/position the surgical drill and subsequent implant To dissipate heat produced during implant drill
3	Which of the below mentioned options is one of the advantages of fully guided implant procedure?	Prosthesis driven implant can be achieved Implant driven prosthesis can be achieved Implants can be loaded immediately Requires less implant drilling time
4	What is the minimum distance between tooth and dental implant?	1 mm 1.5-2 mm 3-4 mm 4-5 mm
5	What is the minimum distance between two dental implants?	1 mm 1.5-2 mm 3-4 mm 4-5 mm
6	In case of the infringement of safe zone around the virtual implants … … .	The softwares alerts the operator The software repositions the virtual implant The software does not show any alert The software automatically reduces the dimensions of the implant
7	What is an implant centric view?	Oblique cross-sectional view that always pass through the long axis of the implant Oblique cross-sectional view that always pass through the short axis of the implant Oblique cross-sectional view that always pass through the long axis of the edentulous area Oblique cross-sectional view that always pass through the short axis of the edentulous area
8	What are minimum number of points require for mapping STL files to CBCT landmarks in virtual implant planning software?	Two Three Four Five
9	The report generated by the virtual implant software includes … … … …	Patent details and operator’s findings only Patent details, operator’s findings and implant centric view only Patent details, operator’s findings, implant centric Implant centric view and implant dimension Patent details, operator’s findings, implant centric Implant centric view, implant dimensions and drill length estimation
10	In which format is the virtual surgical guide exported for 3D printing?	DICOM file STL file JPEG file TIFF file
11	Which of the component needs to be hidden before drawing the surgical guide area during virtual implant planning?	STL file of the crown STL file of the intraoral scan STL files of the crown and intraoral scan DICOM file of the CBCT scan
12	Identify the correct sequence of events in implant selection using the below mentioned options Select appropriate implant based on length and diameter Open virtual implant library Confirm selection by checking the 3 images of the implant and sleeve Select appropriate sleeve	2,1,4,3 2,1,3,4 1,2,3,4 4,2,3,1
13	Identify the correct sequence of steps in generating a reformatted panoramic curve Mark the reference points on the axial CBCT section for generating the curve Determine an adequate axial CBCT section to view the arch. Confirm the reformatted panoramic view on the other window	2,1,3 1,2,3 3,2,1 2,3,1
14	Identify the correct sequence of events in preparing virtual surgical guide from the below mentioned options (1) Select guide thickness (2) Add support bar and label guide (3) Draw guide area on virtual cast	3,1,2 3,2,1 1,2,3 2,1,3
15	Identify the correct sequence of events in implant planning from the below mentioned options (1) Select implant (2) Map STL of intraoral scan with CBCT (3) Map STL of virtual crown with CBCT (4) Draw panoramic curve (5) Export STL of surgical stent (6) Check implant position (7) Draw surgical guide	1,2,3,4,5,6,7 2,3,4,1,6,7,5 4,3,6,7,1,2,5 2,6,7,4,3,5,1
	Key answers- 1)-a, 2)-c, 3)-a, 4)-b, 5)-c, 6)-a, 7)-a, 8)-b 9)-d, 10)-b, 11)-a, 12)-b, 13)-a, 14)-a, 15)-b