ORIGINAL ARTICLE CLINICAL PERIODONTOLOGY
Do psychological factors predict changes in oral health-related quality of life and clinical status after periodontal treatment?
Andrew Rawlinson,
Mario V. Vettore,
Sarah R. Baker,
Peter G. Robinson,
Corresponding Author
Andrew Rawlinson
School of Clinical Dentistry, The University of Sheffield, Sheffield, UK
Correspondence
Andrew Rawlinson, Academic Unit of Restorative Dentistry, School of Clinical Dentistry, Claremont Crescent, Sheffield S10 2TA, UK.
Email: [email protected]
Search for more papers by this authorMario V. Vettore
Universidade Federal de Minas Gerais, Rio de Janeiro, Brazil
Search for more papers by this authorSarah R. Baker
School of Clinical Dentistry, The University of Sheffield, Sheffield, UK
Search for more papers by this authorPeter G. Robinson
Bristol Dental School, University of Bristol, Bristol, UK
Search for more papers by this authorAndrew Rawlinson,
Mario V. Vettore,
Sarah R. Baker,
Peter G. Robinson,
Corresponding Author
Andrew Rawlinson
School of Clinical Dentistry, The University of Sheffield, Sheffield, UK
Correspondence
Andrew Rawlinson, Academic Unit of Restorative Dentistry, School of Clinical Dentistry, Claremont Crescent, Sheffield S10 2TA, UK.
Email: [email protected]
Search for more papers by this authorMario V. Vettore
Universidade Federal de Minas Gerais, Rio de Janeiro, Brazil
Search for more papers by this authorSarah R. Baker
School of Clinical Dentistry, The University of Sheffield, Sheffield, UK
Search for more papers by this authorPeter G. Robinson
Bristol Dental School, University of Bristol, Bristol, UK
Search for more papers by this authorAbstract
Aims
To determine psychological factors predicting changes in OHRQoL and clinical status after periodontal treatment.
Methods
Cohort of 140 patients with chronic periodontitis receiving non-surgical treatment consisting of scaling, root surface debridement and instruction in plaque control. Participants self-completed questionnaires enquiring about sense of coherence, locus of control, self-esteem and task-specific self-efficacy before treatment, and the Oral Health Impact Profile—14 before treatment, at oral hygiene review and end of study. Relationships among OHRQoL, clinical changes, individual factors (demographic and psychological) and environmental characteristics were analysed using latent growth curve modelling guided by the Wilson and Cleary model.
Results
OHRQoL and periodontal status improved after treatment. Being male and having a greater sense of coherence predicted better OHRQoL before treatment. Stronger internal dimension of locus of control predicted a greater rate of improvement in OHRQoL, whereas greater external dimensions predicted a slower rate of improvement. Greater task-specific self-efficacy predicted less gains in probing attachment and reductions in probing depth.
Conclusions
Knowledge of psychological factors may be helpful in explaining individual differences in OHRQoL and clinical responses to periodontal treatment, and in identifying where health-promoting interventions may strengthen relevant factors to improve these outcomes.
CONFLICT OF INTEREST
The authors declare no conflict of interest.
Open Research
DATA AVAILABILITY STATEMENT
Data available on request due to privacy/ethical restrictions.
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