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Topic and local anesthetics


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Topic and local anesthetics for dental uses

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Topic and local anesthetics

  1. 1. Topic and Local anesthetics Institute of Biomedical Sciences Dentist Surgeon Program Dra. Lucero Ivonne Gaspar De Los Santos Dr. Alfredo Nevárez Rascón
  2. 2. Local anesthesia Anesthesia to been definite like: The loss of the sensantions in an circumscribed area of the body without presenting loss of the conscience Figura1 imgres?q=anestesicos+locales+en+odont ologia
  3. 3.  Anesthetics works on membranes and can depress the cardiac activity.  Hemodynamic effects may result in low blood pressure, in high doses can cause I paralyze cardiovascular. •Nausea In the second •Vomit phase •Sickness (depressive), it butOver doses may •Fotosensibility important is thecharacterized by: •Conffusion respiratory •Difficulty for language depression, that •Tremblings carries to •Agitation respiratory •Convulsions unemployment.
  4. 4. Naturals Cocaine ORIGIN Procaine Synthetics Lidocaine
  5. 5. Topics BenzocaineADMINISTRATION Intravenous Mepivacaine Prilocaine Mixed (Topic, Intravenous), Lidocaine
  6. 6. (1 hour) Short Procaine (2 hours)TIMES OF ACTION Intermediate Lidocaine Mepivacaine (+ 3 hours) prolonged Bupivacaine Tetracaine
  7. 7. Benzoic acid: Cocaine Esteres PABA: Procaine, Tetracaine Lidocaine CHEMICAL Amides MepivacaineSTRUCTURE Bupivacaine
  8. 8. Anesthetics of common use in dentistry  Cocaine: It is the unique analgesic local one used in dentistry and that not this synthesized. It was the first analgesic local one utilized, thanks to the investigation of the Dr. Carl Koller in 1884.  Procaine: Einhorn I synthesize it for the first time in 1904. It is absorbed quickly in the place of injection, can cause allergies and to sensitize the patient. s?q=procaina+como+anestesico+lq=cocaina+como+anestesico+local ocal
  9. 9.  Tetracaine: The main use is to produce analgesia superficial. It is but toxica that the Procaine, but relatively but sure, since its action is of greater power and can be employed in smaller concentration. Lidocaine: It synthesized for the first time in 1943, is the but used of the local anesthetics. Is extremely efficient. It is stable, tolerates the boiling. The analgesic action is established quickly, is two times but efficient that the Procaine and is of greater duration (3 hours). ina+como+anestesico+local tesicos+locales
  10. 10.  Mepivacaine: Very it seemed to the Lidocaine. Has a period of short action that is profitable in some dental procedures. Bupivacaine: The time in which begins its effect is smaller that the Lidocaine and Mepivacaine, but its duration is almost the double one of the Lidocaine. It can be considered like the anesthetic but insurance in dentistry and has been used in cardiovascular patients without no objection. Is 4 times but powerful that the Lidocaine. imgres?q=bupivacaína+com o+anestesico+local estesicos+locales+en+odontologia
  11. 11. ADVANTAGES DISADVANTAGES * It lacks of acceptance of the technique by the patient* Easy administration * Difficulty to block certain* The team that is utilized is part of the bodyminimum * Abrasions, injured or*Ideal in superficial and any wound in the place ofbrief operations puncture that can contaminate the procedure
  12. 12. Topic anesthesia  Definition: analgesia superficial produced by the application of a topic anesthetic in the shape of solution, gel or ointment on the skin, a mucous membrane or gores it.
  13. 13.  The anesthesia of the oral mucous membrane is produces by application of watery solutions or gels of you leave local anesthetics. These anesthetics produce anesthesia of the zone where they apply, but with a brief duration. The local anesthetics are absorbed very fast, therefore, they are administered with care, since always the risk of reactions exists systemic toxics. The topic anesthetics are of excellent utility to prevent pain upon inserting the needle in the weavings.
  14. 14.  MECHANISM OF ACCION: when we place the anesthesia in the mucous membrane this is absorbed and then exercises its anesthetic action. Due to that in their composition do not they contain the absorbent portion do not they penetrate deeply in the weavings. Benzocaine: it is the anesthetic but utilized in dentistry * Its period of latencia: 30 seg. * Duration of effects: 10 to 15min
  15. 15. Topics in gel, liquid and spray Topicaine GelTopic anesthesia in gel with 20% of benzocaineIt utilized to eliminate temporarily the painduring procedures just as regional, localanesthesia, takes of impressions and x-raysComfortable for patients with you ulcerate andother smaller oral irritations.flavor strawberryQuickly action and without retrogusto bitter
  16. 16. Topicaine liquidateTopic Anesthesia liquidates with 20% ofbenzocaineIt utilized to eliminate temporarily the painduring procedures just as regional, localanesthesia, takes of impressions and x-raysComfortable for patients with you ulcerate andother smaller oral irritations.flavor mentionsQuickly action and without retrogusto bitter
  17. 17. Topicaine sprayTopic anesthetic with 15% of lidocaine in sprayIs insuranceVirtually without absorption systemQuickly: start in 20 secondsAnesthesia in the oral cavity, especially in localor regional blockade, drainage of abscesses submucous, extractions of teeth deciduos orpermanent, mobile and of tartraje.
  18. 18. ADVANTAGES DISADVANTAGES * It is absorbed too slow* Is of easy administration * Itself should not apply* The team that is utilized is patients with hypersensitivityminimum to this* Low cost *It is not convenient to use it in children less than 2 years
  19. 19. Bibliography /sec_16.html Libro: Anestesia local, Stanley F. Malameb