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Success rates for root-canal treatment range from 47 to 97 percent; failures may be due to spaces in the root-canal filling, a root filling which is too short or a preexisting periapical lesion. [3] Treatment options are nonsurgical root-canal re-treatment or periradicular surgery.
A properly restored tooth following root canal therapy yields long-term success rates near 97%. In a large-scale study of over 1.6 million patients who had root canal therapy, 97% had retained their teeth 8 years following the procedure, with most untoward events, such as re-treatment, apical surgery or extraction, occurring during the first 3 ...
Root development allows the increase of the resistance to fracture and improve the tooth survival rate. [46] The tertiary therapeutic goal of regenerative endodontic procedures is return of pulp vitality. Regenerative endodontic procedures suggests that free nerve endings of the root end are guided into the canal by specific chemical signals.
A root end surgery, also known as apicoectomy (apico-+ -ectomy), apicectomy (apic-+ -ectomy), retrograde root canal treatment (c.f. orthograde root canal treatment) or root-end filling, is an endodontic surgical procedure whereby a tooth's root tip is removed and a root end cavity is prepared and filled with a biocompatible material.
If the condition is discovered before perforation of the root has occurred, endodontic therapy (root canal therapy) may be carried out with the expectation of a fairly high success rate. Removing the stimulus (inflamed pulp) results in cessation of the resorptive process.
Examples of this are undercuts, slots/grooves or root canal posts. In some cases this may necessitate excessive amounts of healthy tooth structure to be removed. Hence, alternative resin-based or glass-ionomer cement-based materials are used instead for smaller restorations including pit and small fissure caries.
In 1959, Lenstrup and Skieller [39] declared that the success rate of replanted knocked out teeth should be considered a temporary procedure because the success rate of less than 10% was so poor. In 1966 [ 40 ] [ 41 ] in a retrospective study, Andreasen theorized that 90% of avulsed teeth could be successfully retained if they were replanted ...
Root analogue ceramic dental implant in comparison with titanium screw type implant. As technology has improved, so has implant success rate. Conventional titanium dental implants typically have success rates of 90–95% for 10-year follow-up periods, but this is based on questionable definitions of success. [5]