root canal

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canal

 [kah-nal´]
a relatively narrow tubular passage or channel.
adductor canal Hunter's canal.
Alcock's canal a tunnel formed by a splitting of the obturator fascia, which encloses the pudendal vessels and nerve.
alimentary canal see alimentary canal.
anal canal the terminal portion of the alimentary canal, from the rectum to the anus.
atrioventricular canal the common canal connecting the primordial atrium and ventricle; it sometimes persists as a congenital anomaly.
birth canal the canal through which the fetus passes in birth.
carotid canal one in the pars petrosa of the temporal bone, transmitting the internal carotid artery to the cranial cavity.
cervical canal the part of the uterine cavity lying within the cervix.
condylar canal an occasional opening in the condylar fossa for transmission of the transverse sinus; called also posterior condyloid foramen.
canal of Corti a space between the outer and inner rods of Corti.
femoral canal the cone-shaped medial part of the femoral sheath lateral to the base of Gimbernat's ligament.
haversian canal any of the anastomosing channels of the haversian system in compact bone, containing blood and lymph vessels, and nerves.
Hunter's canal a fascial tunnel in the middle third of the medial part of the thigh, containing the femoral vessels and saphenous nerve. Called also adductor canal.
hypoglossal canal an opening in the occipital bone, transmitting the hypoglossal nerve and a branch of the posterior meningeal artery; called also anterior condyloid foramen.
infraorbital canal a small canal running obliquely through the floor of the orbit, transmitting the infraorbital vessels and nerve.
inguinal canal the oblique passage in the lower anterior abdominal wall on either side, through which passes the round ligament of the uterus in the female, and the spermatic cord in the male.
medullary canal
optic canal a passage for the optic nerve and ophthalmic artery at the apex of the orbit; called also optic foramen.
pulp canal root canal.
root canal that part of the pulp cavity extending from the pulp chamber to the apical foramen. Called also pulp canal.
sacral canal the continuation of the spinal canal through the sacrum.
Schlemm's canal venous sinus of sclera.
semicircular c's see semicircular canals.
spinal canal (vertebral canal) the canal formed by the series of vertebral foramina together, enclosing the spinal cord and meninges.
Volkmann's c's canals communicating with the haversian canals, for passage of blood vessels through bone.

root canal

n.
1. A pulp-filled channel in a root of a tooth.
2. A treatment in which diseased tissue from this part of the tooth is removed and the resulting cavity is filled with an inert material.

root canal

Dentistry A popular term for the complete removal of a tooth's pulp from the root canal and filling it with an inert material; RCs are performed when the decay is too deep for amalgam to provide adequate permanent therapy

root canal

The pulp cavity in the root of a tooth.

Root canal

The space within a tooth that runs from the pulp chamber to the tip of the root.
Mentioned in: Root Canal Treatment

Patient discussion about root canal

Q. How much does a root canal hurt? I have to get a root canal for my bottom tooth. I was wondering how much they hurt. And do you have any suggestions that help distract from the pain? Thanks.

A. i did one about two years ago- even the injection wasn't too bad! didn't feel a thing. but after the anesthesia worn off it hurt. but then the dentist told me to take Advil or any other NSAID and it helped.

More discussions about root canal
References in periodicals archive ?
In epidemiological studies, different methods had been used for categorizing the quality of root canal fillings. Some studies used only length7,8 while others measured length and density9,10 and in addition to these, taper of the root canal fillings was also taken into consideration.11-13
An evaluation of microbial leakage in roots filled with a thermoplastic synthetic polymer-based root canal filling material (Resilon).
In the present study, we did not use chloroform because of these reported disadvantages, but we used Guttasolv in two subgroups (A1 and B1) because gutta-percha was used for the root canal filling core material in all groups and Guttasolv is intended to soften gutta-percha material.
In this study two different canal preparation techniques (manual and rotary) were compared on the basis of technical quality of root canal filling. Technical quality of root canal filling was evaluated on the basis of three characteristics including length, density and taper of root canal filling.
A root canal filling which looks badly condensed on the radiograph may contain many "cul de sac" type voids and no leakage.
To assess the technical quality of root canal fillings, three criteria were evaluated as follows:
On radiograph no space should be visible beyond the end point of root canal filling. There should be no void or space between the root canal filling and the wall of the root canal.
Evaluation of the apical seal produced by a hybrid root canal filling method, combining lateral condensation and thermatic compaction.
Therefore, the sealing quality of a root canal filling depends much on the sealing ability of the sealer used.5 Many different techniques have been introduced in order to increase the quality of apical seal of the root canal.6 However lateral conden- sation technique is the most widely used technique for obturation of the root canals.
Resilon core material is a thermoplastic synthetic polymer-based root canal filling material and Epiphany SE is a self etch resin based sealer that eliminates the priming step.
Radiographic technical quality of root canal Fillings performed by house surgeons in the Islamic interna- tional dental college: a pilot study.
A grading system suggested by Somma et al was used to score the remaining root canal filling material in the coronal, middle and apical third of each root half.