Interesting Cases

Fourth CanalsRetreatmentsInteresting AnatomyLateral CanalsResorption / Perforations

Fourth Canals

#2 and #3 presented with pulpotomies.

xray5

Four canals cleaned, shaped and obturated on #3.

Mes/buc and Mes/ling canals merge in apical 1/3.

xray8-1

Article on prevalence (96%) of 2nd canal in mesial buccal root.

Retreatments

Paste filling on 2nd molar. Mesial roots lacking filling in middle and apical 1/3. Paste dissolved with solvent. All canals cleaned,shaped, and obturated.
xray9
Failing silver point with radiolucency at apex of #24. Silver point removed and calcium hydroxide placed. #24 obturated at 2nd appointment.
xray6
5mm of Green .08 NiTi in mes/buc canal of #18. Separated instrument removed and gutta percha fitted. #18 obturated.
xray15

Interesting Anatomy

Necrotic 2nd molar. Cone fit with 4 medium gutta percha cones Oblique Angle
Post-op.
4 Separated Roots indicated.
xray21

C-shaped 2nd molar with anastomosis in coronal 1/3.

xray22

Lower Pre-Molar with 2 Separate Roots. All Canals Three Dimensionally Obturated.
xray3
Irreversible Pulpitis #4. Cone Fit and Sealer. Oblique Angle Post-Op. All 3 roots
(MB,DB,and Pal)
Indicated.
xray4

2 Separate Canals in Coronal 1/3 that Merge in Apical 1/3 on #23.

xray2

Four Separate Canals and Portals of Exit on #19.

xray10

Lateral Canals

5mm radiolucency between #29 and #30. Lateral canal indicated directly into center of radiolucency on distal.
xray17
Radiolucency in middle 1/3 of #28. Lateral canal indicated in middle 1/3.
xray20

Palatal lateral canal in apical 1/3, branching to the mesial. Also 2 mesial canals indicated.

lateralss

Resorption / Perforations

Sinus tract traced by gutta percha cone to mid-root
resorption.
Cone fit gutta percha
to apex.
Gutta and sealer obturating defect in middle 1/3.
xray16
Post perforation in middle
1/3 on mesial.
Down pack with gutta percha and sealer. MTA placed in perforation.
xray24
Post removed with solvent and ultra-sonic.
Gutta percha and sealer in apical 1/3 with 10mm of post space.
xray25
Apical resorption and radiolucency at apex. MTA plug in apical 3mm.. Gutta percha and sealer in middle and coronal 1/3.
xray23