Endodontics

Factors Affecting Intracanal Instrument Fracture

Oct 21, 2018 by in Endodontics Comments Off on Factors Affecting Intracanal Instrument Fracture

Factors affecting intracanal instrument fracture Operator related Skill, proficiency, judgment Anatomy related Access cavity Root canal anatomy Instrument related Material Design Manufacturing process and errors Technique/use related Motors operating parameters…

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Mechanisms of Instrument Failure

Oct 21, 2018 by in Endodontics Comments Off on Mechanisms of Instrument Failure

Fig. 3.1 Image showing H-files discarded after clinical use due to plastic deformation of the cutting tip Fig. 3.2 Distribution of fractured and plastically deformed instruments within different ISO sizes…

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Prevention

Oct 21, 2018 by in Endodontics Comments Off on Prevention

Steps Procedure First Ten vigorous strokes in a scouring sponge soaked in 0.2% chlorhexidine solution Second 30-min presoak in an enzymatic cleaning solution Third 15-min ultrasonication in the same solution…

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Complications

Oct 21, 2018 by in Endodontics Comments Off on Complications

Fig. 4.1 Large MODB pin-retained amalgam restoration. The loss of original occlusal anatomy landmarks and pulp canal space calcification will make this a more challenging tooth to access for root…

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Relationship

Oct 21, 2018 by in Endodontics Comments Off on Relationship

Fig. 10.1 Anatomic relationship between pulp and periodontium In case of endodontic lesions, the pathway of inflammation is through the apical foramen, furcation canals, and lateral accessory canals to the…

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due to Root Canal Filling Procedures

Oct 21, 2018 by in Endodontics Comments Off on due to Root Canal Filling Procedures

Fig. 6.1 (a) Micro-computed tomography axial section of a tooth with the root canals filled. The material appears in black color and shows a good filling of the root canals….

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Due to Medicaments

Oct 21, 2018 by in Endodontics Comments Off on Due to Medicaments

Fig. 7.1 NaOCl extrusion (Courtesy of Dr. Daniel OTT) 7.2.2 Probable Aetiological Factors 1. Wide apical foramina   2. If the apical constriction is destroyed probably during root canal instrumentation…

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Diagnosis and Treatment Planning

Oct 21, 2018 by in Endodontics Comments Off on Diagnosis and Treatment Planning

Medical/Dental history Past/recent treatment, drugs Chief complaint (if any) How long, symptoms, duration of pain, location, onset, stimuli, relief, referred, medications Clinical exam Facial symmetry, sinus tract, soft tissue, periodontal…

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of Radiographic Interpretation

Oct 21, 2018 by in Endodontics Comments Off on of Radiographic Interpretation

Fig. 2.1 Periapical radiographic images obtained by intraoral solid-state sensors, used for diagnosis, odontometry, and follow-up 2.2 Digital Radiography Digital intraoral receptors have several advantages compared to conventional film-based imaging,…

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of Local Anaesthesia in Endodontics

Oct 21, 2018 by in Endodontics Comments Off on of Local Anaesthesia in Endodontics

Fig. 3.1 Indirect view of palate where 4% articaine with 1:80,000 adrenaline was administered. Sloughing following vasoconstrictor induced ischemia is a more likely reason than the anesthetic per se When…

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in Geriatric Patient

Oct 21, 2018 by in Endodontics Comments Off on in Geriatric Patient

Fig. 11.1 (a, b) Male patient, 70 years old, no systemic problem, strong attrition, secondary dentine formation and calcifications in pulp chamber, and vertical dimensional loss. This sort of clinical…

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to Reduce the Risk of Reinfection in Endodontics

Oct 21, 2018 by in Endodontics Comments Off on to Reduce the Risk of Reinfection in Endodontics

Poorer prognosis Better prognosis Secondary infection Primary infection Long-standing infection   Presence of fistulae No historical or current oral/endodontic communication Lack of coronal seal/insufficient residual tooth structure Sufficient tooth structure…

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Complications

Oct 21, 2018 by in Endodontics Comments Off on Complications

Fractured instrument (can it be bypassed?) Yes No (consider the location) Continue biomechanical preparation. Do not attempt to remove the fractured part of the instrument Apical third Middle/coronal third  …

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of Endodontic Surgery

Oct 21, 2018 by in Endodontics Comments Off on of Endodontic Surgery

Fig. 9.1 Gingival recession following intrasulcular incision in the area of maxillary central incisor (PFM crown) Separation of the wound margins may occur within the first week after surgery. This…

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