The operating microscope enhances detection and negotiation of accessory mesial canals in mandibular molars

Journal of Endodontics
Meric Karapinar-KazandagS Friedman

Abstract

Detection and negotiation of accessory mesial canals in mandibular molars was investigated with the aid of magnifying loupes or the operating microscope. First and second mandibular molars (n = 96) were mounted in mannequins. Three independent investigators (endodontists) prepared access cavities using 4.5x loupes, attempting to detect and negotiate accessory mesial canals with ultrasonic instruments. If detection or negotiation was unsuccessful, the procedure was continued using the microscope. The location of accessory mesial canals was mapped in relation to the main mesial canals, and their pathway shown with inserted files. The mesial roots were cross-sectioned at three levels to inspect for nonnegotiated accessory mesial canals. With the microscope, the number of detected accessory mesial canals increased from 8 (16%) to 9 (18%) in first molars and from 8 (16%) to 11 (22%) in second molars. Negotiated accessory mesial canals increased from 6 (12%) to 7 (14%) and from 5 (10%) to 9 (18%) in the first and second molars, respectively. All 20 detected accessory mesial canals were located in the mesial subpulpal groove, closer to the mesiolingual canal (45%), in the middle (30%), or closer to the mesiobuccal canal (25%). All neg...Continue Reading

References

Jan 1, 1989·International Endodontic Journal·H Fabra-Campos
Dec 1, 1985·Journal of Endodontics·H Fabra-Campos
Nov 1, 1971·Oral Surgery, Oral Medicine, and Oral Pathology·A E Skidmore, A M Bjorndal
Nov 1, 1984·Oral Surgery, Oral Medicine, and Oral Pathology·F J Vertucci
Dec 1, 1981·Journal of Endodontics·H H PomeranzM G Goldberg
Aug 3, 2001·International Endodontic Journal·K GulabivalaY L Ng
Feb 21, 2002·International Endodontic Journal·K GulabivalaA Alavi
Feb 28, 2002·Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics·Lynne A Baldassari-CruzEric M Rivera
Oct 4, 2002·Australian Endodontic Journal : the Journal of the Australian Society of Endodontology Inc·T SchwarzeW Geurtsen
Jul 14, 2005·International Endodontic Journal·F MannocciT R Pitt Ford
Aug 24, 2007·International Endodontic Journal·H A AhmedY E Ibrahim
Jun 24, 2008·Journal of Endodontics·Daniel D KerstenMark Sweet
Sep 30, 2008·International Endodontic Journal·H R D PeirisE Kanazawa
Dec 17, 2008·Journal of Endodontics·Michelle LeeRufus Caine

❮ Previous
Next ❯

Citations

May 11, 2013·Case Reports in Dentistry·Adrianne Freire de PaulaManoel Damião Sousa-Neto
Dec 25, 2013·Case Reports in Dentistry·João Bosco Formiga RelvasLucas da Fonseca Roberti Garcia
Mar 15, 2012·Journal of Endodontics·Kênia Maria Pereira Soares de ToubesFrank Ferreira Silveira
Nov 12, 2015·Archives of Oral Biology·Marco Aurélio VersianiManoel Damião Sousa-Neto
Sep 12, 2015·Journal of Endodontics·Carlos Aznar PortolesHagay Shemesh
Mar 24, 2015·Journal of Endodontics·Ali Nosrat, S Craig Schneider
Feb 17, 2015·Case Reports in Medicine·Claudio Maniglia-FerreiraBruno Carvalho Sousa
Apr 19, 2015·BMC Oral Health·Amy Wai-yee WongChun-Hung Chu
Jun 25, 2020·Clinical Case Reports·Takayoshi NagaharaHideki Shiba

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.