1. TRIGEMINAL NEURALGIA
Sudden,usually unilateral, severe, brief, stabbing,lancinating,paroxysmal, recurring pain in the distribution of one or more branches of 5thcranial nerve
ETIOLOGY & PATHOGENESIS
Usually idiopathic
Injury to the nerve root is an important initiating factor in the disease.
PROBABLE ETIOLOGIC FACTORS
Dental Etiology
Infection
Ratner’s jaw bone cavities]
Multiple sclerosis
Petrous ridge compression
Post traumatic neuralgia
Intracranial tumors
Intracranial vascular abnormalities
Viral etiology
CLINICAL CHARACTERISTICS :
Sudden, unilateral, lancinating, intermittent, paroxymal, sharp
shooting, shock like pain, elicited by slight touching superficial ‘Trigger points’
Pain is usually confined to one part of one division of Trigeminal nerve.
(V3 more commonly involved than V2 & rarely V1 involved)
Pain rarely crosses the midline: Unilateral
Pain lasts for few seconds to minutes and disappears promptly and
pain free in between two attacks
Pain precipitates on touching some trigger zones on face and presence
of trigger zone is definitive indicator of trigeminal neuralgia.
GENERAL CHARACTERISTICS
Incidence-ABout 4 in one lakh person
Age of occurrence- Fifth or sixth decade of life
Sex predilection-Female predisposition 58%
Affliction for sides- Predilection on the right side 60%
DIAGNOSIS
Dept of Oral and Maxillofacial Surgery
NORTH BENGAL DENTAL COLLEGE &
HOSPITL
Trigger Points