Liu et al. (11)/2024 |
1 (maxillary second premolar) |
severely
”S-shaped” root(69° and 35° angle for first and second curvatures) |
Pre-curved #8 and #10 K-files files + Precurved #10 and #15 K-type
files + NiTi rotary files |
copious 1% NaOCl + 17% EDTA + ultrasonic
activation |
gutta-percha cones + AH Plus sealer +continuous wave
obturation technique |
Alhwieti et al. (28)/2024 |
1 (mandibular second molar) |
narrow and
curved canal |
Modified NiTi rotary files |
5.25% NaOCL + 17% EDTA |
Gutta-percha cones + hydraulic condensation technique with a calcium
silicate-based sealer |
Rizky et al. (22)/2024
|
1 (maxillary premolar)
|
secondary caries and curvature
root canal anatomy
|
K-file #08 + rotary file Protaper glider
|
NaOCL 2,5% + EDTA 17% + ultrasonic activation
|
Single cone technique with thermoplasticized
injection technique
|
Arora and Seth (29)/2024 |
1 |
curved root canal |
K-file #10, #12,
#30, #35 and #40 NiTi flexible files |
NaOCl, saline and EDTA |
lateral condensation method |
Rosselle et al. (24)/2024 |
3 (maxillary first and second molar and
mandibular first molar) |
Severely curved root canals (60°, 75° and 90°
angle for cases) |
Orifice opener rotary instrument + pre-curved
D-finders #08 and #10 + K-files #15,#20 and #25 |
2.5% of NaOCl,
17% EDTA, and sterile water with ultrasonic activation |
single
gutta-percha cone technique and AH Plus sealer |
Umale and Gade (1)/2023 |
2 (first and second maxillary premolar) |
dilacerated root canals |
K-file #08, #10 and #15, and #17, #20 and
#25 NiTi rotary files |
17% EDTA and 3% NaOCl with activation |
4%
taper gutta-percha + zinc oxide eugenol sealer with single cone
obturation method |
Matta and Kaur (30)/2021 |
1 (maxillary lateral incisor) |
thin and
S-shaped root |
No. 10 K-file and size 10, 20 and 50 K-file + rotary
preparation with Neoendo Flex file |
normal saline and 3% NaOCl + 2%
chlorhexidine |
4% taper gutta-percha and tug-back. lateral compaction
technique using nickel–titanium spreaders |
Deshmukh et al. (31)/2020 |
1 (maxillary second premolar) |
S-shaped
root canal |
steel K-files #8 and #10 + NiTi hand files #15 and #20 |
normal saline + 2.5% NaOCl with Irrisafe ultrasonic activation |
thermoplasticized gutta percha technique + AH Plus sealer |
Elkholy and Ha (32)/2020 |
1 (maxillary lateral incisor) |
S-shaped
double-curved root |
17/12 heat-treated NiTi file + #8 and #10 K-file
+ 20/04 and 25/04 files with zone technique and tactile control
activation |
Not mentioned |
gutta-percha \RL+ continuous wave of
compaction obturation technique + AH Plus sealer |
Patnana et al. (9)/ 2018
|
3 (mandibular first and second molar)
|
Severe root canal curvatures (95° angle of distal curvature )
|
K-file #10 and #15 and ProTaper Next rotary
|
5.25% of NaOCl, 17% EDTA and saline
|
The single cone
obturation with 6% gutta-percha and AH Plus sealer
|
Sakkir et al. (33)/2014
|
1 (maxillary first and second premolar)
|
doubly curved or S-shape root canal
|
#8, #10 and #15 stainless steel K-files + NiTi hand files #15, #20,
and #25
|
5.25% of NaOCl, 17% EDTA and physiological saline
|
4% gutta-percha + AH Plus sealer + with the lateral
condensation method of obturation
|
Ansari and Maria (23)/2012 |
3 (maxillary first molar and second
premolar) |
sharp mesiobuccal and distobuccal curvature at the middle
third |
Precurved K-file #10, #12, #30, #35 + rotary Pro-taper |
NaOCl, saline, and EDTA |
lateral condensation method |