Outcome of root canal treatment in dogs determined by periapical radiography and cone-beam computed tomography scans.
The purpose of this study was to compare the favorable outcome of root canal treatment determined by periapical radiographs (PRs) and cone beam computed tomography (CBCT) scans. Ninety-six roots of dogs' teeth were used to form four groups (n= 24). In group 1, root canal treatments were performed in healthy teeth. Root canals in groups 2 through 4 were infected until apical periodontitis (AP) was radiographically confirmed. Roots with AP were treated by one-visit therapy in group 2, by two-visit therapy in group 3, and left untreated in group 4. The radiolucent area in the PRs and the volume of CBCT-scanned periapical lesions were measured before and 6 months after the treatment. In groups 1, 2, and 3, a favorable outcome (lesions absent or reduced) was shown in 57 (79%) roots using PRs but only in 25 (35%) roots using CBCT scans (p = 0.0001). Unfavorable outcomes occurred more frequently after one-visit therapy than two-visit therapy when determined by CBCT scans (p = 0.023).
Garcia de Paula-Silva
Francisco Wanderley
FW
Department of Pediatric Clinics, Preventive and Social Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil. Franciscogarcia@forp.usp.br
Hassan
Bassam
B
Bezerra da Silva
Léa Assed
LA
Leonardo
Mário Roberto
MR
Wu
Min-Kai
MK
D000818:Animals; D001641:Bicuspid / Q000000981:diagnostic imaging; D002126:Calcium Hydroxide / Q000627:therapeutic use; D003188:Composite Resins; D054893:Cone-Beam Computed Tomography / Q000379:methods*; D003723:Dental Amalgam; D003786:Dental Pulp Cavity / Q000000981:diagnostic imaging*; D003793:Dental Restoration, Permanent; D004285:Dogs; D004853:Epoxy Resins / Q000627:therapeutic use; D005899:Glass Ionomer Cements; D006171:Gutta-Percha / Q000627:therapeutic use; D008768:Methylmethacrylates / Q000627:therapeutic use; D010485:Periapical Periodontitis / Q000000981:diagnostic imaging / Q000628:therapy; D010486:Periapical Tissue / Q000000981:diagnostic imaging; D019252:Radiography, Dental, Digital / Q000379:methods; D012387:Root Canal Filling Materials / Q000627:therapeutic use; D012388:Root Canal Irrigants / Q000627:therapeutic use; D018915:Root Canal Preparation / Q000379:methods; D012390:Root Canal Therapy / Q000379:methods; D012973:Sodium Hypochlorite / Q000627:therapeutic use; D013997:Time Factors; D016896:Treatment Outcome; D015035:Zinc Oxide-Eugenol Cement / Q000627:therapeutic use
D003188:Composite Resins; D004853:Epoxy Resins; D005899:Glass Ionomer Cements; D008768:Methylmethacrylates; D012387:Root Canal Filling Materials; D012388:Root Canal Irrigants; C084550:Vitremer; D015035:Zinc Oxide-Eugenol Cement; C534916:epoxy resin-based root canal sealer; C031667:IRM cement; D003723:Dental Amalgam; D006171:Gutta-Percha; D012973:Sodium Hypochlorite; D002126:Calcium Hydroxide