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.
Pulp Sensibility Test
A diagnostic procedure that assesses the neural response of the pulp to thermal or electrical stimuli as an indirect ind...
Pulp Space
The collective anatomical area within a tooth occupied by pulp tissue, encompassing both the pulp chamber and root canal...
Pulp Stone
A calcified mass found within the pulp chamber or root canal, composed of mineralised tissue that may impede access to t...
Pulp Vitality Testing
A set of diagnostic procedures used to assess the neurovascular status of dental pulp, including thermal and electric st...
Pulpectomy
The complete removal of the dental pulp from both the coronal and radicular portions of the tooth.
Pulpotomy
The surgical removal of the coronal portion of the dental pulp, leaving the radicular pulp intact and vital.
Radicular Cyst
An inflammatory cyst of odontogenic origin arising at the apex of a non-vital tooth, typically as a sequela of pulp necr...
Reciprocating Motion
A rotational mode of endodontic file movement in which the instrument alternates between clockwise and counterclockwise...
Regenerative Endodontics
A biologically based procedure designed to replace damaged pulp tissue structures, including dentin, root structures, an...
Resin-Based Sealer
A root canal sealer composed of epoxy resin or methacrylate resin systems, used to fill voids between the core obturatio...
Retreatment
A secondary endodontic procedure performed on a tooth that has previously undergone root canal treatment, with the aim o...
Reversible Pulpitis
A mild inflammatory condition of the dental pulp in which the pulp is capable of returning to a normal, healthy state on...
Root Canal Sealer
A cementing agent used in conjunction with a core filling material to seal the root canal system and occlude accessory c...
Root-End Filling
A retrograde restorative material placed into a prepared cavity at the resected root end to seal the root canal system d...
Root-End Resection
The surgical removal of the apical portion of a tooth root, typically 3 mm, performed during periapical microsurgery to...
Rotary Instrumentation
A method of root canal preparation using engine-driven, continuously rotating nickel-titanium files to shape and clean t...
Rubber Dam
An isolation device consisting of a latex or non-latex sheet stretched over the treatment tooth to provide a sterile ope...
Separated Instrument
A file or endodontic instrument that has fractured within the root canal during instrumentation, constituting a procedur...
Single-Cone Technique
An obturation method in which a single gutta-percha or polymer cone is selected to match the prepared canal taper and pl...
Sinus Tract
An epithelialised or non-epithelialised channel through bone and soft tissue that drains suppuration from a periapical o...
Smear Layer
A thin layer of organic and inorganic debris deposited on the canal wall surface during instrumentation, which can imped...
Sodium Hypochlorite Accident
An adverse event occurring when sodium hypochlorite irrigant is inadvertently expressed beyond the root apex into periap...
Step-Back Technique
A manual root canal instrumentation method in which the apical portion of the canal is shaped first, then progressively...
Strip Perforation
An elongated iatrogenic perforation of the inner wall of a curved root canal, caused by over-instrumentation of the conc...