Endodontics is the science and art that involves the etiology, prevention, diagnosis and treatment of the impact on the periapical region and consequently in the body. This requires the dentist clinical experience and business sense, and technological resources that provide advantages in cost / benefit ratio for achieving endodontic success, often for the same, being recommended endodontic retreatment before other types of invasive surgeries.
The endodontic retreatment is a procedure performed on a tooth that has undergone a treatment which resulted in a condition that requires a new endodontic treatment to obtain a satisfactory result. The goal of endodontic therapy is to perform a root canal in order to make the treated tooth again functional and comfortable, allowing the complete repair of the support structures.
A condition for the success of endodontic retreatment is proper cleaning of root canals, so should be given to the technique used for removal of filling material, which are usually based endodontic cements with Ca (OH) ² and oxide zinc, folders and gutta-percha, and are sometimes silver cones with prosthetic cement, making it difficult to remove. In the retreatment have to reach the actual length of work and completely remove the filling material, to clean the root canal filling and final. (In: Articles: http://www.apcd-saocarlos.org.br/arquivos/artigos/desobturacao.pdf )
Case Study:
History: Male, 24 years. Came to the clinic reporting pain induced, localized, with higher incidence during chewing or touch. Região do dente 37. Region of tooth 37.
Radiograficamente: O Radiographically, observed the presence of previous endodontic treatment, with lack of filling material in the canals in mesial and distal canal sobreobturation. Radiolucency suggestive of periapical lesion.
The endodontic retreatment is a procedure performed on a tooth that has undergone a treatment which resulted in a condition that requires a new endodontic treatment to obtain a satisfactory result. The goal of endodontic therapy is to perform a root canal in order to make the treated tooth again functional and comfortable, allowing the complete repair of the support structures.
A condition for the success of endodontic retreatment is proper cleaning of root canals, so should be given to the technique used for removal of filling material, which are usually based endodontic cements with Ca (OH) ² and oxide zinc, folders and gutta-percha, and are sometimes silver cones with prosthetic cement, making it difficult to remove. In the retreatment have to reach the actual length of work and completely remove the filling material, to clean the root canal filling and final. (In: Articles: http://www.apcd-saocarlos.org.br/arquivos/artigos/desobturacao.pdf )
Case Study:
History: Male, 24 years. Came to the clinic reporting pain induced, localized, with higher incidence during chewing or touch. Região do dente 37. Region of tooth 37.
Radiograficamente: O Radiographically, observed the presence of previous endodontic treatment, with lack of filling material in the canals in mesial and distal canal sobreobturation. Radiolucency suggestive of periapical lesion.
Proposed treatment: endodontic retreatment.
Use of ultrasound Sonic Jet (Gnatus) ET20 with insert, along with the use of an explorer straight (ODUS). To remove the core filling resin.
Use of apex locator, Root ZX II (J Morita).
Rotary Instrumentation: Motor X-Mart (Dentsply).
Removal procedure: ProTaper files for removal procedure (D1, D2 and D3).
Roundabout: Files easy pro-designate.
Final manual instrumentation: Biomechanical file 40 Distal 35 Mesial.
Hypochlorite solution with 5.25%.
Use of apex locator, Root ZX II (J Morita).
Rotary Instrumentation: Motor X-Mart (Dentsply).
Removal procedure: ProTaper files for removal procedure (D1, D2 and D3).
Roundabout: Files easy pro-designate.
Final manual instrumentation: Biomechanical file 40 Distal 35 Mesial.
Hypochlorite solution with 5.25%.
Obturation Technique: Hybrid Tagger Endofill endodontic cement (Dentsply).
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