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Effect of warming anaesthetic solutions on pain during dental injection: a randomized clinical trial / Efecto del calentamiento del anestésico sobre el dolor durante la inyección dental: ensayo clínico aleatorio
Aravena, Pedro Christian; Barrientos, Camila; Troncoso, Catalina.
  • Aravena, Pedro Christian; Universidad Austral de Chile. Facultad de Medicina. Valdivia. CL
  • Barrientos, Camila; Universidad Austral de Chile. Escuela de Odontología. Valdivia. CL
  • Troncoso, Catalina; Universidad Austral de Chile. Escuela de Odontología. Valdivia. CL
J. oral res. (Impresa) ; 4(5): 306-312, oct.2015. ilus
Article in English | LILACS | ID: lil-783353
ABSTRACT
To determine the effectiveness of warming anesthetic solutions on pain produced during the administration of anesthesia in maxillary dental infiltration technique. Material and

Methods:

A double-blind cross-over clinical study was designed. Fifty-six volunteer students (mean age 23.1+/-2.71 years) of the Dental School at Universidad Austral de Chile (Valdivia, Chile) participated in the study. Subjects were given 0.9ml of 2 percent lidocaine with 1100.000 epinephrine (Alphacaine®; Nova DFL - Brazil) by two punctions at buccal vestibule of lateral incisor. Warm anesthesia at 42°C(107.6°F) was administered in a hemi-arch; and after one week anesthesia at room temperature (21°C; 69.8°F) and at a standardized speed was administered at the contralateral side. The intensity of pain felt during injection was registered and compared using visual analog scale (VAS) of 100mm (Wilcoxon test p<0.05).

Results:

The use of anesthesia at room temperature caused a VAS-pain intensity of 34.2+/-16.6mm, and anesthesia at 42°C a VAS-pain intensity of 15.7+/-17.4mm (p<0.0001).

Conclusion:

The use of anesthesia at42°C resulted in a significantly lower pain intensity perception during injection compared with the use of anesthesia at room temperature during maxillary infiltration technique...
RESUMEN
Determinar la efectividad del calentamiento de anestesia en la reducción del dolor producidodurante la administración de anestesia dental en técnica infiltrativa maxilar. Material y

método:

Se diseñó un estudio clínico doble ciego de brazos cruzados.Participaron cincuenta y seis estudiantes voluntarios (23.1+/-2.71 años) de la Escuela de Odontología de la Universidad Austral de Chile (Valdivia, Chile). Se les administró 0.9ml de lidocaína 2 por ciento con epinefrina 1100.000 (Alphacaine®; Nova DFL - Brasil) mediante 2 punciones en el fondo de vestíbulo a nivel del incisivo lateral superior. En una hemi-arcada se administró anestesia a 42ºC (107.6°F) y luego de una semana se les administró anestesia en el lado contralateral a temperatura ambiente (21ºC; 69.8°F) con una velocidad estandarizada. Se comparó laintensidad de dolor percibida durante la inyección mediante escala visual análoga (EVA) de 100mm (pruebade Wilcoxon p<0.05).

Resultados:

El uso de anestesia a temperatura ambiente provocó un dolor promedio EVAde 34.2+/-16.6mm y la anestesia a 42°C un dolor promedio EVA 15.7+/-17.4mm (p<0.0001).

Conclusión:

El uso de anestesia a 42ºC generó una percepción de dolor significativamente menor durante la inyección del anestésico en comparación a su uso con temperatura ambiente en la técnica infiltrativa maxilar...
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Pain / Anesthesia, Dental / Anesthetics, Local / Lidocaine Type of study: Controlled clinical trial / Observational study / Prevalence study / Risk factors Limits: Adult / Female / Humans / Male Language: English Journal: J. oral res. (Impresa) Journal subject: Dentistry Year: 2015 Type: Article Affiliation country: Chile Institution/Affiliation country: Universidad Austral de Chile/CL

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Full text: Available Index: LILACS (Americas) Main subject: Pain / Anesthesia, Dental / Anesthetics, Local / Lidocaine Type of study: Controlled clinical trial / Observational study / Prevalence study / Risk factors Limits: Adult / Female / Humans / Male Language: English Journal: J. oral res. (Impresa) Journal subject: Dentistry Year: 2015 Type: Article Affiliation country: Chile Institution/Affiliation country: Universidad Austral de Chile/CL