Table 2.
Assessment of accuracy, tooth structure loss, and success rate on EMS by different methods ex vivo
| Order | Authors | Samples | Method | Mean linear deviation/mm | Angle/° | Tissue removal/mm3 | Success rate/% |
|---|---|---|---|---|---|---|---|
| 1 | Pinsky HM, et al.131 | 10 dry mandibles with full set of teeth | SGE | apex 0.79 | N/A | N/A | <3 mm 100 |
| FH | apex 2.27* |
(dt) <3 mm 76 (dt) |
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| 2 | Ackerman S, et al.111 | 48 roots in cadaver model | SGE | apex 1.473 | N/A | N/A |
<4 mm 100 (dt) |
| FH | apex 2.638* |
<4 mm 45.8 (dt) |
|||||
| 3 | Peng L, et al.107 | 56 maxillary anterior teeth in gypsum model fixed on the head-simulator | SGE |
apex (ex) 0.31 apex (in) 0.31 |
deviation(ex) 5.04 deviation(in) 6.79 |
N/A | N/A |
| FH |
apex (ex) 0.99 * apex (in) 1.18* |
deviation(ex) 16.74* deviation(in) 15.06* |
|||||
| 4 | Hawkins TK, et al.25 | 72 teeth on 3D-printed Maxillary and mandibular models | TEMS | N/A | resection 6 |
bone 58.2 root 27.2 |
N/A |
| FH | resection 10.6* |
bone 54.9 root 38.3* |
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| 5 | Westbrook K, et al.108 | 46 roots on cadaver heads | SGE |
platform 1.31 apex 1.49 |
deviation 1.82 resection 2.9 |
N/A |
no perforation 95.7 |
| FH |
platform 2.59* apex 3.15* |
deviation 10.3* resection 8.3* |
no perforation 95.7 |
||||
| 6 | Aldahmash SA, et al.109 | 48 roots on cadaver heads |
DGE (X-guide) |
platform 0.6 apex 1.07 |
deviation 1.1 resection 9.05 |
bone 82.4 | N/A |
| FH |
platform 1.29^ apex 2.57^ |
deviation 16.03^ resection 21.12^ |
bone 125.2^ | ||||
| 7 | Dianat O, et al.110 | 40 roots on cadaver heads |
DGE (X-guide) |
platform 0.7 apex 0.65 |
deviation 2.54 | N/A |
no mishaps 90% |
| FH |
platform 2.25^ apex 1.71^ |
deviation 12.38^ |
no mishaps 80% |
||||
| 8 | Tang W, et al.114 | 64 teeth on 3D printed maxillary models | SGE |
length (ex) 0.20 length (in) 0.26 depth (ex) 0.65 depth(in) 0.71 |
deviation (ex) 3.23 deviation (in) 4.08 |
ex 3.39 in 3.70 |
no mishaps 100% |
|
DGE (DCARER) |
length (ex) 0.21 length (in) 0.28 depth (ex) 0.45 depth(in) 0.53 |
deviation (ex) 6.34 deviation (in) 7.18 |
ex 3.36 in 3.75 |
no mishaps 100% |
|||
| FH |
length (ex) 0.68*^ length(in) 1.21*^ depth (ex) 1.36*^ depth(in) 1.91*^ |
deviation (ex) 16.2*^ deviation (in) 20.45*^ |
ex 6.70*^ in 10.78*^ |
no mishaps (ex) 91.7 no mishaps (in) 58.3*^ |
|||
| 9 | Martinho FC, et al.132 | 50 roots on cadaver heads |
DGE (X-guide) |
platform 1 apex 1.14 |
deviation (1.94) resection (5.66) |
bone 82.27 | 96%* |
| SGE |
platform 1.15 apex 1.21 |
deviation (1.70) resection (4.70) |
bone 76.22 | 80%^ |
SGE static guided endodontics, TEMS targeted endodontic microsurgery, DGE dynamic guided endodontics, FH freehand, ex experienced, in inexperienced, an anterior, po posterior, dt distance from the target, *P < 0.05 as compared to SGE, ^P < 0.05 as compared to DGE