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38 results on '"Machtou, Pierre"'

3. Deep Shape in Endodontics: Significance, Rationale and Benefit.

Author

Machtou, Pierre, West, John, and Ruddle, Clifford J.

Subjects
ENDODONTICS, CLEANING compounds, DENTAL care, DENTAL fillings, DENTURES, DENTAL materials, MINIMALLY invasive procedures, BIOMEDICAL materials, DENTISTRY, ROOT canal treatment, PROSTHESIS design & construction, PERIODONTITIS
Published
2024

13. Root Canal Shaping by Single-File Systems and Rotary Instruments: a Laboratory Study

Author

Bane, Khaly, Faye, Babacar, Sarr, Mouhamed, Niang, Seydina O, Ndiaye, Diouma, and Machtou, Pierre

Subjects
ProTaper, WaveOne, Root Canal Transportation, Rotary Instruments, Canal Straightening, Original Article, sense organs, Reciproc, Root Canal Preparation
Abstract

Introduction: The aim of this study was to compare the shaping ability of two single-file systems and conventional rotary instruments in severely curved root canals of extracted human molars. Methods and Materials: Mesiobuccal canals of 120 mandibular molars with angles of curvature ranging between 25° and 35° and radii of curvature from 5 to 9 mm, were divided into three groups (n=40). In each group the canals were instrumented with either WaveOne (W), Reciproc (R) or ProTaper (P). The time required for canal shaping and the frequency of broken instruments were recorded. The standardized pre and post-instrumentation radiographs were taken to determine changes in working length (WL) and straightening of canal curvature. The presence of blockage or perforation was also evaluated. Data were analyzed using the one-way analysis of variance (ANOVA) and post-hoc Tukey’s test. The level of significance was set at 0.05. Results: Both single-instrument systems reduced the canal preparation time by approximately 50% (P

Published
2015

15. Clinical diagnosis and treatment of endodontic and periodontal lesions.

Author

Mandel, Ely, Machtou, Pierre, and Torabinejad, Mahmoud

Subjects
ENDODONTICS, PERIODONTICS, DENTISTRY, MOUTH ulcers, PERIODONTIUM, MOLARS, DENTAL pulp cavities, DENTAL pulp diseases, ETIOLOGY of diseases
Abstract

Because of the intimate relationship of the root canal system and the periodontium, developing endodontic and periodontal lesions may mimic each other in clinical and radiographic appearance. The etiology, diagnosis, treatment, and prognosis of endodontic and periodontal lesions will be discussed. [ABSTRACT FROM AUTHOR]

Published
1993

16. Endodontie

Author

Simon, Stéphane, Machtou, Pierre, Pertot, Wilhelm-Joseph, Simon, Stéphane, Machtou, Pierre, and Pertot, Wilhelm-Joseph

Subjects
Endodontics
Abstract

L'endodontie est souvent restreinte à un problème de mise en forme et d'obturation canalaire. Néanmoins, cette discipline est beaucoup plus vaste et son évolution est permanente. Si depuis une quinzaine d'années les progrès technologiques ont permis de faire évoluer l'instrumentation (limes rotatives, localisateur d'apex, dispositifs optiques, radiographie numérique, etc.) une nouvelle ère plus biologique a démarré et représentera probablement l'endodontie de demain. Ce traité d'endodontie a pour objectif d'aborder tous les domaines de l'endodontie. Les 22 chapitres traitent ainsi de sujets aussi vastes que la biologie et la physiologie pulpaire, l'ingénierie tissulaire et la régénération pulpaire, l'instrumentation, la microbiologie, la chirurgie, les lésions endo-parodontales, l'imagerie, les pathologies sinusiennes, etc. Très complet et unique en langue française le « JPIO » Endodontie comprend une abondante iconographie composée de schémas didactiques et de nombreux cas cliniques. Il s'adresse aussi bien aux étudiants en formation initiale ou/et de troisième cycle qu'à tous les praticiens, généralistes ou spécialistes.

Published
2012

19. Endodontie

Author

Simon, Stéphane, Machtou, Pierre, Simon, Stéphane, and Machtou, Pierre

Subjects
Endodontics
Abstract

Dans la continuité du premier volume, consacré aux traitements (douleur, diagnostic, traitement de l'urgence, acte endodontique de première intention dans son ensemble), les quatre chapitres de ce second volume permettent de faire le point sur les spécificités de l'anesthésie en endodontie, sur les techniques de retraitement, sur la chirurgie endodontique et sur les notions d'échecs et de succès.

Published
2009

26. Chapter 13: OUTCOME OF ENDODONTIC TREATMENT AND RE-TREATMENT.

Author

Ingle, John I., Simon, James H., Machtou, Pierre, and Bogaerts, Patrick

Subjects
HEALTH outcome assessment, ENDODONTICS, ROOT canal treatment, DENTAL pulp
Abstract

Chapter 13 of the book "Endodontics" is presented. It discusses the outcome of endodontic treatment and re-treatment. Several studies conducted to know the success of endodontic treatment show that the highest percentage of success of endodontic treatment is with teeth with vital pulps and the worst diagnosis is for those with large, long-standing periradicular lesions. It was also found that good nonsurgical endodontic treatment has the best prognosis.

Published
2002

31. Endodontic Canal Preparation.

Author

Ruddle, Clifford J., Machtou, Pierre, and West, John D.

Subjects
PRODUCT design, ROOT canal treatment, EQUIPMENT & supplies
Published
2015

33. The Shaping Movement: Fifth-Generation Technology.

Author

Ruddle, Clifford J., Machtou, Pierre, and west, John D.

Abstract

The article presents information on different techniques applied for preparing root canals. It informs that clinical endodontic technique utilized a long series of stainless steel hand files and several rotary gates glidden drills to integrate nickel and titanium files for shaping canals. It also informs that one of the canal preparation procedures includes utilization of reciprocation which is done by repetitive up-and-down or back-and forth motion.

Published
2013

36. Endodontic canal preparation: innovations in glide path management and shaping canals.

Author

Ruddle CJ, Machtou P, and West JD

Subjects
Dental Alloys chemistry, Dental Pulp Cavity surgery, Equipment Design, Hot Temperature, Humans, Metallurgy, Nickel chemistry, Pliability, Stainless Steel chemistry, Stress, Mechanical, Surface Properties, Titanium chemistry, Dental Pulp Cavity anatomy & histology, Root Canal Preparation instrumentation
Published
2014

37. [Advantages and limits of nickel-titanium instruments for root canal preparation. A review of the current literature].

Author

Taschieri S, Necchi S, Rosano G, Del Fabbro M, Weinstein R, and Machtou P

Subjects
Dental Stress Analysis, Elasticity, Equipment Failure, Humans, Materials Testing, Pliability, Root Canal Irrigants, Sodium Hypochlorite, Stainless Steel, Sterilization, Tooth Apex anatomy & histology, Torque, Dental Alloys, Dental Instruments, Nickel, Root Canal Preparation instrumentation, Titanium
Abstract

In recent years, an important innovation in the field of dentistry has been the introduction of nickel-titanium alloy instruments. Superelasticity and shape memory are the main mechanical properties of this alloy which prompted its use in endodontics. Due to these characteristics, NiTi instruments have been demonstrated to preserve the original anatomy, the shape and position in space of the apical foramen. This literature review of mechanical properties of NiTi endodontic instruments aims to provide clinicians with a better understanding of their advantages and limits.

Published
2005

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