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The clinical treatment of complicated root canal therapy with the aid of a dental operating microscope. 2011

Daming Wu, and Wei Shi, and Jintao Wu, and Younong Wu, and Weihong Liu, and Qingping Zhu
Department of Endodontics, Nanjing Medical University, Nanjing, China.

OBJECTIVE To evaluate the clinical application of the dental operating microscope (DOM) in the management of complicated root canal therapy. METHODS 345 teeth with 546 root canals which could not be successfully managed by conventional methods received therapy under the DOM with ultrasonic instruments by the same endodontists. The aetiology of the canals included calcification, broken instrument, missed canal and canal perforation. The teeth and canals successfully managed were then calculated. RESULTS 406 canals were successfully managed with a rate of 74.4%; 246 teeth were successfully managed with a rate of 71.3%. The rates in each category of the complicated root canals were: 74.0% for calcified canals, 72.3% for canals blocked by broken instruments, 82.5% for missed canals and 72.7% for canal perforations. CONCLUSIONS The clinical application of the DOM is an effective way of managing complicated root canal therapy.

UI MeSH Term Description Entries
D008297 Male Males
D008853 Microscopy The use of instrumentation and techniques for visualizing material and details that cannot be seen by the unaided eye. It is usually done by enlarging images, transmitted by light or electron beams, with optical or magnetic lenses that magnify the entire image field. With scanning microscopy, images are generated by collecting output from the specimen in a point-by-point fashion, on a magnified scale, as it is scanned by a narrow beam of light or electrons, a laser, a conductive probe, or a topographical probe. Compound Microscopy,Hand-Held Microscopy,Light Microscopy,Optical Microscopy,Simple Microscopy,Hand Held Microscopy,Microscopy, Compound,Microscopy, Hand-Held,Microscopy, Light,Microscopy, Optical,Microscopy, Simple
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D003762 Dental Instruments Hand-held tools or implements especially used by dental professionals for the performance of clinical tasks. Instrument, Dental,Dental Instrument,Instruments, Dental
D003784 Dental Pulp Calcification CALCINOSIS of the DENTAL PULP or ROOT CANAL. Dental Pulp Stones,Denticle,Anomalous Dysplasia of Dentin,Calcification, Dental Pulp,Coronal Dentin Dysplasia,Dental Pulp Stone,Denticles,Dentin Dyspalsia, Shields Type 2,Dentin Dysplasia, Coronal,Dentin Dysplasia, Shields Type II,Dentin Dysplasia, Type II,Pulp Calcification, Dental,Pulp Stone, Dental,Pulp Stones,Pulp Stones, Dental,Pulpal Dysplasia,Stone, Dental Pulp,Stones, Dental Pulp,Calcifications, Dental Pulp,Coronal Dentin Dysplasias,Dental Pulp Calcifications,Dentin Anomalous Dysplasia,Dentin Anomalous Dysplasias,Dentin Dysplasias, Coronal,Dysplasia, Coronal Dentin,Dysplasia, Pulpal,Dysplasias, Coronal Dentin,Dysplasias, Pulpal,Pulp Calcifications, Dental,Pulp Stone,Pulpal Dysplasias,Stone, Pulp,Stones, Pulp
D003786 Dental Pulp Cavity The space in a tooth bounded by the dentin and containing the dental pulp. The portion of the cavity within the crown of the tooth is the pulp chamber; the portion within the root is the pulp canal or root canal. Pulp Canal,Pulp Chamber,Root Canal,Cavities, Dental Pulp,Cavity, Dental Pulp,Dental Pulp Cavities,Pulp Cavities, Dental,Pulp Cavity, Dental,Canal, Pulp,Canal, Root,Canals, Pulp,Canals, Root,Chamber, Pulp,Chambers, Pulp,Pulp Canals,Pulp Chambers,Root Canals
D004868 Equipment Failure Failure of equipment to perform to standard. The failure may be due to defects or improper use. Defects, Equipment,Device Failure,Failure, Equipment,Malfunction, Equipment,Medical Device Failure,Misuse, Equipment,Device Failure, Medical,Device Failures, Medical,Failure, Medical Device,Failures, Medical Device,Defect, Equipment,Device Failures,Equipment Defect,Equipment Defects,Equipment Failures,Equipment Malfunction,Equipment Malfunctions,Equipment Misuse,Equipment Misuses,Failure, Device,Failures, Device,Failures, Equipment,Malfunctions, Equipment,Misuses, Equipment
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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