Root Canal Sealer
A cementing agent used in conjunction with a core filling material to seal the root canal system and occlude accessory canals and irregularities.
Access Cavity
The opening prepared through the crown of the tooth to locate, negotiate, and instrument the root canal system.
Apex Locator
An electronic device used to determine the position of the apical foramen by measuring electrical impedance within the r...
Apexification
A procedure to induce closure of the open apex of an immature non-vital tooth, traditionally using long-term calcium hyd...
Apexogenesis
A vital pulp therapy procedure that preserves pulp vitality in an immature tooth to allow physiological completion of ro...
Apical Constriction
The narrowest anatomical diameter of the root canal, located 0.5–1.5 mm short of the apical foramen, representing the id...
Apical Delta
A complex network of small accessory canals branching from the main root canal near the apex, resembling a river delta i...
Apical Foramen
The natural opening at or near the apex of a tooth root through which nerves and blood vessels pass.
Apical Patency
The maintenance of a clear, unobstructed passageway through the apical constriction to prevent dentinal debris accumulat...
Apical Plug
A barrier of biocompatible material placed at the apex of an immature or open-apex tooth to create a stop for subsequent...
Apical Seat
A narrowed, tapered preparation at the apical terminus of the root canal designed to retain the gutta-percha master cone...
Apicoectomy
A surgical endodontic procedure involving resection of the root apex and removal of associated periapical pathological t...
Asymptomatic Apical Periodontitis
Inflammation and destruction of apical periodontium of pulpal origin that presents with no clinical symptoms but shows r...
Bioceramic Sealer
A calcium silicate–based root canal sealer with bioactive and biocompatible properties, designed to bond to both dentina...
Biodentine
A calcium silicate-based bioactive restorative material used in endodontics for pulp capping, perforation repair, and ap...
Calcium Hydroxide
An alkaline intracanal medicament used between appointments to disinfect the root canal system and promote periapical he...
Canal Curvature
The degree of angulation or bend within a root canal, commonly measured by the Schneider method and expressed in degrees...
Canal Transportation
The iatrogenic displacement of the prepared canal axis away from the original canal curvature, resulting in an asymmetri...
CBCT
Cone Beam Computed Tomography; a three-dimensional imaging modality used in endodontics to assess root canal anatomy, pe...
Cervical Root Resorption
An external resorptive process originating at or near the cervical region of the root, typically below the epithelial at...
Chlorhexidine
An antimicrobial agent used as an intracanal irrigant or medicament in endodontics, typically at a concentration of 0.2–...
Condensing Osteitis
A diffuse radiopaque lesion of the jaw representing a localised bony reaction to low-grade periapical inflammation, char...
Coronal Seal
The restoration placed at the coronal access cavity to prevent microleakage of oral bacteria into the obturated root can...
Cracked Tooth Syndrome
A clinical condition characterised by an incomplete fracture of a posterior tooth causing intermittent pain on biting, o...
Crown-Down Technique
A root canal preparation strategy in which canal instrumentation begins coronally and progresses apically, reducing the...