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PAINFUL DYSESTHESIA FOLLOWED AFTER IMPLANT PLACEMENT IN POSTERIOR MANDIBLE AND THEIR PROGNOSIS
Journal of the Korean Association of Oral and Maxillofacial Surgeons ; : 421-427, 1998.
Artículo en Coreano | WPRIM | ID: wpr-88046
ABSTRACT

PURPOSE:

This study is to examine the painful dysesthesia of lip & gingiva followed after implant surgeries and to evaluate the prognosis of microsurgical epineurotomy & tubulization with e-PTFE tubes.

METHOD:

Three patients who had been suffered from painful anesthesia and dysesthesia following dental implant surgeries were examined periodically and followed for over 1 year after epineurotomy and e-PTFE tubulization. Neurosensory dysfunctions were examined by Static Light Touch Threshold, Moving Direction Discrimination. Two Point Discrimination, Pin-Prick Nociception. Visual Analog Scales and Tinel sign. The subjective symptoms were confirmed by SSEP and DITI prior to surgical exploration.

RESULT:

Two patients complained of continuous tearing and lancinating pain disclosed complete avulsion of IAN and degenerative changes with neuroma. One patient complained of mild painful dysesthesia revealed partial adhesion & fibrous epineural changes. Two patients whose IAN were explored after over 1 year resulted in only mild improvement in sensory recovery and moderate reduction of pain score. While the patient to whom decompression & epineural repair were given in 3 months after nerve injuries resulted in satisfactory improvement in sensory function and pain reduction.

CONCLUSION:

Painful dysesthesias occurred after implant placement were resulted from neurotmesis and disclosed degenerative neuropathy. Therefore, the micro-surgical explorations and repairs (epineurotomy, decompression neurolysis, and neurorrhaphy) can be recommended for known injuries as early as possible. For the delayed painful dysesthesia lasted over year, however, epineurotomy & tubulization could be an option to improve the painful discomfort but not satisfactory.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Parestesia / Pronóstico / Sensación / Implantes Dentales / Descompresión / Discriminación en Psicología / Nocicepción / Escala Visual Analógica / Encía / Anestesia Tipo de estudio: Estudio pronóstico Límite: Humanos Idioma: Coreano Revista: Journal of the Korean Association of Oral and Maxillofacial Surgeons Año: 1998 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Parestesia / Pronóstico / Sensación / Implantes Dentales / Descompresión / Discriminación en Psicología / Nocicepción / Escala Visual Analógica / Encía / Anestesia Tipo de estudio: Estudio pronóstico Límite: Humanos Idioma: Coreano Revista: Journal of the Korean Association of Oral and Maxillofacial Surgeons Año: 1998 Tipo del documento: Artículo