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Relationship Between Psychosocial Factors and Pain in the Jaw and Neck Regions Shortly After Whiplash Trauma
Umeå universitet, Medicinska fakulteten, Institutionen för odontologi.ORCID-id: 0000-0002-7431-9618
Umeå universitet, Medicinska fakulteten, Institutionen för odontologi.
2019 (Engelska)Ingår i: Journal of Oral & Facial Pain and Headache, ISSN 2333-0384, Vol. 33, nr 2, s. 213-219Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Aims: To assess jaw pain shortly after whiplash trauma in relation to neck pain, physical symptoms, depression, and jaw pain-related disability.

Methods: A total of 181 cases (106 women and 75 men, mean ages 33.7 and 36.8 years, respectively) were examined within 1 month after a whiplash trauma and compared to 117 controls (68 women and 49 men, 34.2 and 30.9 years, respectively). Participants rated current jaw and neck pain intensity on a numeric rating scale and rated nonspecific physical symptoms and depression symptoms on subscales of the Symptom Checklist-90-Revised. The nonspecific physical symptoms were further analyzed with and without pain items. Disability related to jaw pain and neck pain was also assessed. Differences between groups were calculated using Mann-Whitney U test, and correlations were measured using Spearman correlation.

Results: Compared to controls, cases reported higher current jaw and neck pain intensity (P < .0001), together with higher scores for physical nonpain and pain symptoms, depression, and jaw pain-related disability (P < .0001 for all). For cases, there were moderate correlations between nonspecific physical symptoms and jaw pain and neck pain, as well as between jaw pain-related disability and jaw pain and neck pain (r = 0.43 to 0.77, P < .0001 for all). Low correlations were observed between depression and jaw pain and neck pain (r = 0.34 to 0.39, both P < .0001).

Conclusion: Shortly after a whiplash trauma, pain in the jaw and neck regions is associated with the severity of psychosocial factors. Thus, psychosocial factors may play a role in the development of pain in the jaw region after whiplash trauma.

Ort, förlag, år, upplaga, sidor
Quintessence Publishing Co., Inc. , 2019. Vol. 33, nr 2, s. 213-219
Nyckelord [en]
jaw, pain, psychosocial factors, temporomandibular disorders, whiplash injury
Nationell ämneskategori
Odontologi
Identifikatorer
URN: urn:nbn:se:umu:diva-153178DOI: 10.11607/ofph.2226ISI: 000468359000010PubMedID: 30371684Scopus ID: 2-s2.0-85065219390OAI: oai:DiVA.org:umu-153178DiVA, id: diva2:1261690
Forskningsfinansiär
KempestiftelsernaVästerbottens läns landstingTillgänglig från: 2018-11-08 Skapad: 2018-11-08 Senast uppdaterad: 2022-11-29Bibliografiskt granskad
Ingår i avhandling
1. Pain and disability in the jaw and neck regions after whiplash trauma: a short- and long-term perspective
Öppna denna publikation i ny flik eller fönster >>Pain and disability in the jaw and neck regions after whiplash trauma: a short- and long-term perspective
2018 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
Alternativ titel[sv]
Smärta och dysfunktion i käk- och nackregionerna efter whiplashtrauma : ett kort- och långtidsperspektiv
Abstract [en]

Whiplash trauma, a hyperextension-flexion trauma to the neck that is often related to a car accident, affects tens of thousands in Sweden every year. A significant proportion will develop long-term symptoms including neck pain and dysfunction – this is embraced as Whiplash associated disorders (WAD). Some individuals also develop pain and dysfunction in the orofacial region that is denoted as Temporomandibular disorder (TMD). TMD is common in the population with a prevalence of about 10% but the relation to whiplash trauma is still unclear. The limited number of prospective studies on TMD after whiplash trauma show diverging results, but it has been suggested that TMD develops over time and not in close proximity to the trauma. Prospective studies are needed to determine the course of jaw pain and disability after whiplash trauma.

The general aim of this thesis was to evaluate the presence and course of pain and disability in the jaw and neck regions at the acute and chronic stages after whiplash trauma.

This prospective cohort study included at baseline 176 cases with a recent whiplash trauma, and 116 age and gender matched controls without a history of neck trauma that were recruited from the general population. The cases had visited the emergency department at Umeå university hospital, Sweden, with neck pain within 72 hours following a car accident and had been diagnosed with neck distortion by a physician. The cases were examined within one month after the trauma (December 2010 to January 2016) and at a 2-year followup (December 2012 to January 2018). All participants completed questionnaires regarding pain and disability in the jaw and neck regions, physical symptoms (pain and non-pain items), and depression. At baseline, 80 of the cases and 80 of the controls also completed a 5-minute chewing capacity test. At the 2- year follow-up, 119 cases (68%) and 104 controls (90%) were re-examined with the same questionnaires.

Compared to controls, within one month after a whiplash trauma cases reported significantly more pain in the jaw and neck regions with a positive correlation between the intensity of pain in these regions (Paper I). In the acute stage after trauma, cases, compared to controls, showed a reduced chewing capacity, and this was related to the severity of neck disability (Paper II). For cases, jaw and neck pain correlated positively to each other, to non-specific physical symptoms, and to depression at both the acute (Paper III) and chronic stages (Paper IV). About one third (34%) of the cases reported orofacial pain at baseline, and for a majority of these, the pain persisted at the 2-year follow-up (Paper IV).

The presence of orofacial pain early after a whiplash trauma indicates involvement of central sensitization and spread of pain between the jaw and neck regions. The positive correlations between pain in the jaw and neck regions, and to psychosocial factors, underline the integration of these regions and the importance of a biopsychosocial perspective. The impaired jaw function shortly after a neck trauma further underlines the close sensorimotor relationship between the trigeminal and cervical regions. The finding that orofacial pain is common shortly after whiplash trauma, and often persists into the chronic stage, indicates that assessment in the acute stage should include both the neck and jaw regions. From this, it follows that multidisciplinary teams that entail both medical professions and dentists specialised in orofacial pain can be beneficial in the early assessment after whiplash trauma.

Ort, förlag, år, upplaga, sidor
Umeå: Umeå Universitet, 2018. s. 68
Serie
Umeå University odontological dissertations, ISSN 0345-7532 ; 141
Nyckelord
Jaw pain, Neck Pain, Neck disability, Orofacial pain, Psychosocial factors, Temporomandibular disorders, TMD, Temporomandibular joint, TMJ, Whiplash injury
Nationell ämneskategori
Odontologi
Forskningsämne
odontologi
Identifikatorer
urn:nbn:se:umu:diva-153181 (URN)978-91-7601-953-5 (ISBN)
Disputation
2018-11-30, Sal B, 9 tr, byggnad 1D, Norrlands Universitetssjukhus, Umeå, 13:00 (Svenska)
Opponent
Handledare
Tillgänglig från: 2018-11-09 Skapad: 2018-11-08 Senast uppdaterad: 2022-11-29Bibliografiskt granskad

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Lampa, EwaWänman, AndersHäggman-Henrikson, Birgitta

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