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Psychological Factors and Oral Health Prac4ce Benjamin Schuez School of Psychology, University of Tasmania

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Page 1: Psychological+Factors+and++ OralHealthPracce · Intervenon • General(oral(hygiene(informaon(based(on(causes,(courses(and(consequences(of(oral(diseases(• Special(focus(on(needs(of(care(recipients

Psychological  Factors  and    Oral  Health  Prac4ce  

Benjamin  Schuez  School  of  Psychology,  University  of  Tasmania  

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1.  Intro  -­‐  Why  Psychology?  2.  What  determines  individual  health  

behaviour?  3.  What  determines  health  professionals’  and  

caregiver  behaviour?  4.  Some  Conclusions  

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“...daily  flossing  is  highly  recommended.”  (ADA)  

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Why  Psychology?  

•  All  paJent  acJviJes  are  behaviour:  –  Brush  teeth  regularly  – Apply  fluoride  gel  on  a  weekly  basis  –  Floss  – Make  appointment  with  denJst  /  hygienist  –  Follow  specific  diet  –  ...  

•  Psychology  as  science  of  human  behaviour  can  help  understanding  paJent  engagement  (or  non-­‐engagement)  

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Why  Psychology?  

•  Oral  health  also  depends  on  others’  behaviour  – Adherence  to  treatment  guidelines  is  individual  behaviour  

– Adherence  to  recommendaJons  for  best  oral  health  pracJce  is  individual  behaviour  

•  Psychological  models  of  behaviour  can  be  applied  to  understand  and  modify  oral  health  professionals’  behaviour  

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Efficacy  /  Effec4veness:  Behaviour  

Efficacy   Effec4veness  

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What  determines  individual  health  behaviour?  

•  Rewards  /  Operant  condiJoning  •  Common-­‐sense  model  of  health  and  illness  •  MoJvaJon  and  acJon  components  of  changing  behaviour  

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Rewards  and  behaviour  

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Operant  Condi4oning  

Add  posi4ve  s4mulus:  Posi4ve  Reinforcement  

Remove  nega4ve  s4mulus:  Nega4ve  Reinforcement  

Add  nega4ve  s4muls:  Posi4ve  Punishment  

Remove  Posi4ve  s4mulus:  Nega4ve  Punishment  

Increase  Behavior  

Decrease  Behavior  

Add   Remove  

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Condi4oning:  S4mulus  value  maPers  

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Reward  schemes:  Tokens    

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Reward  schemes:  Tokens  

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Self-­‐rewards  and  concrete  tokens  

•  Self-­‐rewards:  Arrange  a  contract  with  yourself  

•  Works  well  with  interdental  hygiene  (O’Neill  et  al.,  1987)  

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Reward  Effects  

•  Group  1:  BASS  demonstraJon,    floss  demonstraJon  

•  Group  2:  AddiJonal  plaque  coloring  with  feedback  

•  Group  3:  AddiJonal  praise  from  denJst  

•  Group  4:  AddiJonal  list  of  tasks  to  Jck  off  

FMPS:  Full  Mouth  Plaque  Score  Weinstein  et  al.,  1996;    J  Clin    

Periodontol  

FMPS  

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Reward  schemes  

•  Very  effecJve  in  general  (on  the  mean  level)  •  Operant  condiJoning  is  the  best-­‐evidenced  theory  in  psychology  

•  Require  reinforcing  insJtuJon  /  person  •  On  societal  level:  IncenJves  based  on  policy  decisions  (naJonal  or  insurance-­‐based)  

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Common-­‐sense  model  

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Common-­‐sense  model  

•  IdenJty  –  Symptoms  and  labels  •  Causes  •  DuraJon  –  Timeline  •  Consequences  •  Controllability  

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•  IdenJfy  symptoms  and  label  them  

Iden4ty  –  Symptoms  and  labels  

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Causes  

•  Plaque,  biofilm  –  stuff  on  teeth  

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Time-­‐line:  Acute  or  chronic?  

•  PeriodonJJs  and  caries  are  chronic  diseases  •  Progression  depends  on  compliance  

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Control  beliefs  

•  Belief  that  own  behaviour  can  control  the  course  of  illness  – Causes  – Course  – Consequences  

•  Belief  in  one’s  ability  to  correctly  perform  behaviour  

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Improving  control  beliefs  

•  DemonstraJon  and  supervision  of  oral  hygiene  behaviours  

•  Learn  correct  performance,  increase  control  beliefs  

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Effects  of  common  sense  (Philippot  et  al.,  2005,  J  Clin  Periodontol)  

0  

0.5  

1  

1.5  

2  

2.5  

Baseline  Control   Baseline  IntervenJon  

1  mo.  Control   1  mo.  IntervenJon  

Global  

Lingual  

Buccal  

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©  Dominik  Herrmann,  2008  

Mo4va4on  and  ac4on  

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Mo4va4on-­‐Behaviour-­‐Gap  

Mo4va4on   Behaviour  

GAP  

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Mo4va4on  and  behaviour  

•  Even  moJvated  paJents  perform  below  recommendaJons  

•  Lack  of  specific  strategies  and  techniques  for    transferring  moJvaJon    into  acJon  (voliJon)  

•  Address  moJvaJon  and  voliJon  differenJally  

McCaul,  Glasgow  &  O‘Neill,  1992,  Heal  Psy  

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Planning  

•  Strategic  planning  cogniJvely  links  situaJonal  cues  to  intended  acJon    

•  AutomaJc  triggering  of  acJon  in  target  situaJon  

•  Simple  and  concrete  plans  comprise  of  an  exact  definiJon  of  the  situaJon  

• WHEN?  • WHERE?  •  HOW?    

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Evidence:  Effects  of  Planning  on  Flossing  (SniehoPa,  Araújo-­‐Soares  &  Dombrowski,  2007,  J  Dent  Res)  

Times  flossin

g  /  w

eek      

**p  <  .01;  *p  <  .05  

**  

*  

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Evidence:  Effects  of  Planning  on  Flossing  (Schüz,  Wiedemann,  Mallach  &  Scholz,  J  Clin  Periodontol  2009)  

Times  flossin

g  /  w

eek  

**p  <  .01;  *p  <  .05  

*  *  

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Evidence:  Effects  of  Planning  on  Flossing  (Schüz,  Wiedemann,  Mallach  &  Scholz,  J  Clin  Periodontol  2009)  

0  

1  

2  

3  

4  

5  

6  

Baseline   2  weeks   8  weeks  

Control  unmoJvated  Planning  unmoJvated  Control  moJvated  Planning  moJvated  

Times  flossin

g  /  w

eek  

**p  <  .01;  *p  <  .05  

**  

*  

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Self-­‐monitoring  and  behaviour  change  

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Dental Diary

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Self-­‐monitoring  effects  (Schüz,  SniehoPa  &  Schwarzer,  2007;  Heal  Educ  Res)  

6  

8  

10  

12  

14  

16  

not  mo4vated   mo4vated  

did  not  use  diary  

used  diary  

Flossed  in  14  da

ys  

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Comprehensive  interven4ons  (Clarkson  et  al.,  2009;  J  Dent  Res)  

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Comprehensive  interven4ons  (Clarkson  et  al.,  2009;  J  Dent  Res)  

0  

20  

40  

60  

80  

100  Control  IntervenJon  

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What  determines  health  professionals’  behaviour?  

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What  determines  professionals’  behaviour?  

•  Rewards  •  Common-­‐sense  informaJon  •  MoJvaJon  and  acJon  components  of  changing  behaviour  

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Rewards:  Fees  for  service  

•  Fees  for  services  are  effecJve  incenJves  to  change  professional  behaviour  

 Clarkson,  J.  E.,  et  al.  (2008).  Changing  clinicians’  behavior:  A  randomized  controlled  trial  of  fees  

and  educaJon.  J  Dent  Res,  87,  640-­‐4.  

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Planning  and  den4st  behaviour  (Bonej  et  al.,  2003,  Br  Dent  J)  IntervenJon  prompJng  plans  for  alternaJves  to  3rd  molar  extracJon  

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Common-­‐sense  and  training  

•  Longitudinal  study  in  56  nursing  homes  in  Berlin,  Germany  (total  of  120  caregivers  took  part  in  the  study,  longitudinal  data  from  85)  

•  Mean  number  of  residents  =  32.7  (31.8)  •  1  intervenJon  session  with  trained  dental  assistants  per  nursing  home  

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Interven4on  

•  General  oral  hygiene  informaJon  based  on  causes,  courses  and  consequences  of  oral  diseases  

•  Special  focus  on  needs  of  care  recipients  •  Focus  on  care  recipients’  capabiliJes  for  oral  hygiene  with  targeted  instrucJons  and  brushing  demonstraJons  

•  Supervision  of  caregivers’  oral  health  rouJnes  with  feedback  

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Effects  on  behaviour  

75  

80  

85  

90  

95  

100  

105  

110  

Pre-­‐test   3  months  post-­‐test  

Mean  brushing  Jme  

Pfeilschiner,  M.  (2007).  It’s  up  to  the  caregiver  [Dipl.-­‐Psych.]  Freie  Universitaet  Berlin  

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Effects  on  behaviour  

0  

10  

20  

30  

40  

50  

60  

70  

No  technique  Any  technique   RotaJon   Bass  

Brushing  technique  

Pfeilschiner,  M.  (2007).  It’s  up  to  the  caregiver  [Dipl.-­‐Psych.]  Freie  Universitaet  Berlin  

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Predictors  of  brushing  

Pfeilschiner,  M.  (2007).  It’s  up  to  the  caregiver  [Dipl.-­‐Psych.]  Freie  Universitaet  Berlin  

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Conclusions  

•  Behavioural  science  can  help  understanding  and  modifying  individual  oral  health  care  beahviour  

•  Principles  from  behavioural  science  can  be  used  to  modify  health  professionals’  behaviour:  – Rewards  – Plans  – Vulnerability,  Self-­‐efficacy,  intenJon  

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