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COMMON COMPLAINTS OF
COMPLETE DENTURE WEARERS
Arubuola E. O.
CONTENTS
• INTRODUCTION
• COMMON COMPLAINTS
– Discomfort/pain
– Looseness
– Adaptability
– Altered speech
– Inability to eat
– Appearance
• CONCLUSION
• REFERENCES
INTRODUCTION
• There is, inevitably, the potential for problems
to arise subsequent to the insertion of
complete dentures.
• These problems may be transient and may be
essentially disregarded by the patient or they
may be serious enough to result in the patient
being unable to tolerate the dentures.
INTRODUCTION-2
• Factors causing problems may be grouped,
essentially into four causes.
• Adverse intra-oral anatomical factors eg
atrophic mucosa.
• Clinical factors eg poor denture stability.
• Technical factors eg failure to preserve the
peripheral roll on a master cast.
• Patient adaptional factors.
INTRODUCTION-3
• By far the most critical factors are the patient
adaptional factors. Many patients are unable
to adapt physically and/or psychologically to
dentures that satisfy clinical and technical
prosthodontic norms.
• Once a denture-wearing problem becomes
apparent, it is important that it is addressed in
a logical and systematic way.
INTRODUCTION-4
• That is to say, an adequate history of the
problem must be obtained and a careful
examination of the mouth carried out so that
an accurate diagnosis can be made, and an
appropriate treatment plan devised.
INTRODUCTION-5
• Champion H et al in 1995 investigated into
the problems experienced by 114 referred
patients with complete dentures who were
considered to be difficult or to have difficult
prosthodontic problems. The commonest
problems were those of pain and lack of
retention, mainly due to occlusal
discrepancies and excessive VDO.
INTRODUCTION-6
• Roessler DM et al. 2003 Before treatment even
begins, the patient's motivation for denture
treatment and emotional attitude towards
dentures must be evaluated. Patients will
thereby gain realistic expectations of what can
and cannot be achieved, and dentists will
understand what the patient really wants. Finally,
patients must be informed that continued
success depends on regular denture maintenance
at home combined with periodic consultation
with the dentist
• Treatment was carried out on an individual
basis with a large proportion of dentures
being remade.
• However, a small number was satisfied by
counseling alone without procedural
treatment. The overall success rate for
treatment was 80%.
COMMON COMPLAINTS
• Common problems reported by patients
shortly after provision of replacement
dentures include.
• Pain or discomfort
• Looseness
• Inability to chew
• Inability to speak properly.
COMMON COMPLAINTS-2
• Instabilty
• TMJ pain
• Clattering noise or clicking sound.
• Excessive salivation.
• Cheek biting
• Adaptation
• Appearance
COMMON COMPLAINTS-3
• Some of these problems/difficulties may have
a very large number of possible causes, and,
indeed, can be multifactorial in origin.
• For simplicity, the problems will be discussed
in the order they tend to occur most
frequently.
Discomfort
• Many patients experience some discomfort for a
period of up to a few days following receipt of
new or replacement dentures.
• The great majority of patients achieve
comfortable co-existence with their appliances
following a short period of adjustment to the
new conditions.
• This can be greatly assisted by a careful, detailed
explanation of any difficulties that the operator
might anticipate.
Discomfort-2
• For some, however, especially where potential
problems were not identified at examination
or at the time of insertion, the consequent
discomfort can be prolonged.
• In addition, discomfort may arise some time after
apparently successful prosthodontic provision as
a result of intra-oral or systemic changes or of
denture wear or damage.
• Discomfort is most frequently—but not
exclusively—associated with the lower denture
supporting area.
List of factors resulting in discomfort related to the impression surface of dentures
Symptoms/clinical
findings
Cause Treatment
Discrete painful areas
Pearls or sharp ridges of acrylic
on the fitting
surface arising from deficiency
in
laboratory finishing
Locate with finger, or
snagging dry cotton wool
fibres. Use disclosing
material to assist . trim to
ease denture
Pain on insertion and
removal, possibly
inflamed mucosa on
side(s) of ridges
Denture not relieved in region
of undercuts
Use disclosing material to
adjust in region of ’wipe
off’. excessive removal may
reduce retention. Also
clinician should only
insert denture and then
remove it - the patient
should not occlude as this
may confuse an
occlusal fault with support
problems
Areas painful to pressure Pressure areas resulting eg
from faulty impressions,
damage to working cast,
warpage of denture base.
Consider also residual
pathology (eg retained root),
lack of relief for active frena,
non-displaceable mucosa over
bony prominence (eg torus)
Use disclosing material to
accurately locate area
to be relieved. If severe,
remake may be required.
Consider removal of root
Over-extension of lingual
flange. Painful
mylohyoid ridge; denture
lifts on tongue
protrusion; painful to
swallow
Over-extended lower
impression: instructions to
laboratory not clear or
non-existent
Determine position and
extent of over-extension
using disclosing material
and relieve accordingly
Symptoms/clinical
findings
Cause Treatment
Generalized pain over
denture-supporting
area
Under-extended denture base -
may be the
result of over-adjustment to
the periphery,
or impression surface. Check
for adequacy
of FWS
Extend denture to optimal
available denture
support area. If insufficient
FWS, remake may be
required
Lack of relief for frena or
muscle attachments;
pinching of tissue
between denture base
and retromolar pad or
tuberosity. Sore throat,
difficulty in swallowing
Peripheral over-extension
resulting from impression stage
and/or design error. Palatal
soreness as post dam too deep
Relieve with aid of
disclosing material. Care
with adjustment of post
dam - removal of existing
seal and its replacement in
greenstick prior to
permanent addition may be
required
Symptoms/clinical
findings
Cause Treatment
Related to occlusal
surfaces
Pain on eating in
presence of occlusal
imbalance (no support
problems)
Anterior prematurity or
posterior prematurity,
incisal locking, lack of balanced
articulation
Determine where occlusal
prematurities exist.
Adjust occlusion by selective
grinding. If severe
error remount using
facebow and new
interocclusal records
Pain lingual to lower
anterior ridge
If no over-extension present,
look for
protrusive slide from Resting
cuspal position to intercuspal
position
Mark deflecting inclines of
posterior teeth with thin
articulating paper. If slide
exceeds half a cusp
width, re-register and reset
List of factors resulting in discomfort - relating to
occlusal and polished surfaces of dentures
Symptoms/clinical
findings
Cause Treatment
Pain and/or
inflammation on labial
aspect of
lower ridge
If no impression surface defect,
may be lack
of incisal overjet causing incisal
locking
Reduce incisal vertical
overlap. If appearance
compromised, resetting the
incisors may be
required
Pain about periphery of
dentures possibly
accompanied by pain in
masseter and
posterior temporalis
muscles (classically pain
increases as the day
progresses)
Vertical dimension of occlusion
more than
patient can tolerate
If excess less than 1.5 mm,
grind to provide FWS.
If greater than 1.5 mm, re-
register to reset dentures
at new OVD
Cheek and or lip biting For cheeks - likely that
functional width of
sulcus was not restored.
For lips - poor lip
support/inadequate
anterior horizontal overlap
For cheek biting, restore
functional width of sulcus
and/or reset. For lips, grind
lower incisors to provide a
more appropriate incisal
guidance angle
Symptoms/clinical
findings
Cause Treatment
Tongue biting Lack of lingual overjet - teeth
generally
placed lingual to lower ridge
low occlusal plane
Reduced vertical height
Remove lower lingual cusps,
or reset teeth
Related to polished
surfaces
Pain at posterior aspect
of upper denture on
opening
Flange on buccal aspect of
tuberosity too
thick and constraining coronoid
process
Use disclosing material to
accurately define area
involved, relieve and
repolish
Symptoms/clinical
findings
Cause Treatment
Burning sensation over
upper denture
supporting tissues, but
may involve other
intra-oral tissues, eg
tongue.
Burning mouth syndrome often
seen in middle-aged or elderly
females. Denture faults must
be excluded, also general
organic and pyschogenic
factors
Correction of any denture
faults, may require
multivitamin/nutrition
advice and treatment.
Possibly antidepressant
therapy.
Beefy red tongue,
possibly glossodynia
Vitamin B12/folate deficiency Refer for medical treatment
Where some saliva flow is
present, sugar-free
citrus lozenges may help.
Frictional lesions related
to dentures,
mucosa may adhere to
probing finger,
may be complaint of dry
mouth
Xerostomia, commonly side
effect of
prescribed drugs
Where there is an
obvious paucity of saliva,
artificial saliva may
be considered
List of factors resulting in discomfort - factors with
possible systemic associations
Tongue thrusting. Empty
mouth ’chewing’.
Often seen in elderly
patients
May have neurological or
psychological
aspects. Possibly drug related
Difficult to manage. Treatment
may be required
to include occlusal adjustment
and/or occlusal
pivots
Presence of herpetiform
ulcers in mouth
Painful ’click’ related to TMJ
on opening and/or closing
mouth and/or tenderness of
muscles of mastication
Herpes simplex or Herpes zoster
virus.History and distribution of
lesions to confirm
Dentures merely coincidental to
the condition.
May be useful to suggest
preventive remedy
(eg acyclovir) for some sufferers
Painful ’click’ related to TMJ
on opening
and/or closing mouth
and/or tenderness
of muscles of mastication
TMJ pain dysfunction syndrome
may be related to rapid change on
OVD (either
gross increase or decrease) on
production of new denture. May
have psychological
aspects, occasionally part of
general joint disease
If denture faults present,
careful correction
required with special care to
registration and
vertical dimension
Symptoms/clinical
findings
Cause Treatment
Patient complains of
allergy to denture
material
Rare symptoms may relate to
higher residual
monomer content of acrylic
If excess residual monomer
detected, rebase denture using
controlled heat cure cycle. May
need to consider remaking
denture using
polycarbonate resin
Painless erythema of
mucosa related to
support of (usually)
upper denture, may be
accompanied by
angular cheilitis
Denture-related stomatitis.
Often has a frictional element
due to ill-fitting denture
plus opportunistic candidal
infection.
Occasionally related to iron
or folate deficiency
Best to leave denture out until
condition clears,
then remake. If not possible,
correct denture
faults, eg using occlusal pivots,
regularly supervised and
replaced tissue conditioners
prior to remake. If angular
cheilitis present, combinations
of antifungal and antibacterial
agents (eg miconazole) useful
Symptoms/clinical
findings
Cause Treatment
Looseness of dentures
• Looseness of dentures is more commonly
associated with the lower denture, and may be
referred to by patients as their denture ‘rocking’,
‘falling’ (complete upper) or ‘rising’ (complete
lower), ‘shifting’ or sometimes that they ‘feel too
big’.
• In simple terms, retention and stability of
complete dentures may be likened to a simple
balance ie on one side retaining forces and on
the other displacing forces. If the latter exceed
the former, instability/looseness will arise.
• It must be stressed, however, that the fulcrum
is the patient, or rather the patient’s ability to
adapt to dentures — this is less easy to
anticipate.
Lack of peripheral seal Border under-extension
in depth Border under-
extension in width.
Often a particular
problem in disto-buccal
aspects of upper
periphery which may
be displaced
by buccinator on
mouth opening.
Posterior border of
upper denture
Add softened tracing compound to
relevant border, mould digitally
and by functional movements by
patient. Replace compound with
acrylic resin. As a temporary
measure a chairside reline material
may be used .Check border is
correctly sited on fixed tissue at
junction with mobile tissue of soft
palate. Trace thin string of softened
tracing compound along impression
surface of posterior border and seat
denture firmly in mouth. Replace
compound with acrylic resin. For
temporary
solution, use butymethacrylate
resin as above
List of factors resulting in looseness of dentures -
arising from decreased retentive forces
Inelasticity of cheek
tissues
Consequence of ageing
process; scleroderma,
submucous fibrous
Mould denture borders
incrementally using
softened tracingcompound
as functional movements
are performed - aim to
slightlyunder-extend depth
and width of denture
periphery. Repeated
treatment may be required
as inelasticity progresses
Xerostomia Reduces
ability
to form a suitable seal
Medication by many commonly
prescribed drugs, irridiation of
head and neck region, salivary
gland disease, infirm
Design dentures to
maximise retention and
minimise displacing
forces. Prescribe artificial
saliva where appropriate
Neuromuscular control
Essential for successful
denture wearing: speech
and eating difficulties
occur
Basic shape of denture
incorrect,
lower molars too lingual;
occlusal
plane too high: upper molars
buccal to ridge and buccal
flange
not wide enough to
accommodate
this; lingual flange of lower
convex. Patient of advanced
biological age
Correct design faults by, eg
removal of lingual cusps of
posterior teeth. Flatten
polished lingual surface of
lower from occlusal surface
to periphery, fill sulci to
optimal width. May require
remake to optimal design.
Use information from
successful previous denture
if available. Denture
adhesives may be deemed
to be necessary
Air beneath impression
surface. Denture may
rock under finger
pressure. May see gap
between periphery of
flange and ridge.
Occlusal error
subsequent to
warpage
Deficient impression. Damaged
cast. Warped denture.
Over-adjustment of impression
surface. Residual ridge
resorption. Undercut ridge.
Excessive relief chamber.
Change in fluid content of
supporting tissues
Reline if design parameters
of denture satisfactory,
otherwise remake
as required. Ensure that
areas of heavy contact
between denture and
tissues are relieved prior to
impression making. Where
change in tissue fluid
distribution is suspected
check medication (eg
diuretics) posture (eg heart
failure) lack of recovery of
tissues from effects of old
denture prior to working
impressions being obtained.
Stabilise fluid
content of tissues and use
minimal pressure
impression method
Looseness as a result of
increased displacing forces
Denture borders
Over-extension in depth
Slow rise of lower
denture when mouth
half open, line of
inflammation at
reflection of sulcal
tissues; ulceration in
sulcal region. Deep post
dam on upper base may
cause pain, ulceration
If buccal to tuberosities,
denture displaces on mouth
opening, or cheek soreness
occurs. Thickened lingual
flange enables tongue to
lift denture; thick upper and
lower labial flanges may
produce displacement during
muscle activity
Slightly under-extend
denture flange
and accurately mould
softened tracing compound.
Check borders
of record rims and trial
dentures at the appropriate
stages. Deep post dam to be
cautiously reduced and
denture worn sparingly until
inflammation clears
Overextension in width
Cheeks appear plumped
out. In
lower, the buccal flange
may be
palpated lateral to
external
oblique ridge
Design error Reduce over-extension. Use
disclosing material to
determine
what is excessive
Symptoms/clinical
findings
Cause Treatment
Denture not in optimal
space
Molars on lower denture lingual
to ridge, optimum triangular
shape of dentures absent
Posterior occlusal table too
broad, causing tongue trapping
Thick lingual flanges encroaching
on tongue space, causing lifting.
Excess lip pressure to lower
anterior aspect - teeth anterior
to ridge, thick periphery
Excess pressure from upper lip to
upper denture arising from teeth
too labially sited to acute
naso-labial angle; or failure to
adequately seat denture during
relining impression procedure
Remove lingual cusps and
lingual surface from
relevant area, repolish.
If triangular form not
restored, reset teeth or
remake dentures
Narrow posterior teeth
and/or remove most distal
teeth from dentures.
Reshape lingual polished
Surface .Thin lower labial
flange, ensure optimal
extension to retromolar
pads to resist displacement,
reset anterior teeth if
necessary Usually requires
remaking denture
Symptoms/clinical
findings
Cause Treatment
Poor fit to supporting
tissue
Recoil of displaced tissue
lifts
denture
Poor/inappropriate impression
technique especially in
posterior
lingual pouch area
Reline if all other design
parameters
satisfactory, otherwise
remake. Ensure denture is
removed from mouth 90
mins prior to impression
Symptoms/clinical
findings
Cause Treatment
Occlusal errors Uneven tooth contact causing
tilting of dentures and
prevents even seating of
loosened appliances
ICP and RCP not coincident
- disrupts border seal and
prevents accurate reseating
Lack of freedom in ICP
(occlusal-locking) dentures
will shift on supporting
tissues for those patients
with poor control of
mandibular movements
Adjust occlusion until even initial
contact in RCP obtained. If gaps
between teeth exceeds 1.5 mm reset
teeth or remake dentures. For gaps
less than 1.5 mm it may still be
necessary, in the interest of accurate
diagnosis, to remount the dentures,
as a patient’s mouth may be too
tender to permit chairside
adjustment.
Adjust occlusion for coincident
ICP/RCP contact. If error is greater
than half width of cusp, all teeth on
at least one denture need resetting.
Remount dentures on adjustable
articulator and adjust area of
occlusal contact. Allow 1.5 mm of
anterior movement from RCP. May
use cuspless teeth where
appropriate
List of factors resulting in looseness - arising from increased
displacing forces - occlusal and anatomical factors
Ulceration labial to
lower ridge
Excessive vertical overlap of
anterior teeth. Lack of balance and
anterior tooth contact may cause
tilting, soreness in lower ridge
Last mandibular molars placed too
far posteriorly and lie over
retromolar pad or ascending part
of ramus. Occlusal contact on this
’inclined plane’ causes denture to
slip forward
Occlusal plane/s not
orientated appropriately
and masticatory forces tend
to move dentures over
supporting tissues
Reduce height of lower
anteriors.
Aesthetic problems may
necessitate
resetting of teeth
Remove most posterior
teeth from denture
Usually requires teeth to be
reset or
dentures to be remade
Symptoms/clinical
findings
Cause Treatment
Fibrous
displaceable ridge
Masticatory forces tend to
cause denture to sink into
and tilt towards supporting
tissues
Reline after removal of acrylic from
impression surface until no contact
with displaceable tissue, provide
many vent holes, low viscosity
impression material, maximise
posterior border seal
Bony prominence
covered by thin
mucosa (eg tori)
Denture rocks over
prominence which may be
covered with inflamed tissue
Remove acrylic from impression
surface where disclosing material
shows excessive loading of
supporting tissues. Do not create
excessive relief or loss of
retention may result
Symptoms/clinica
l findings
Cause Treatment
Non-resilient soft
tissue
Does not adapt to impression
surface of denture reducing
support and retention factors
Reline dentures to obtain optimal
border extensions in depth and
width, use low viscosity impression
material
Pain avoidance
mechanisms
Use of excessive amounts of
fixative, or self-applied reline
material, or even cotton
wool, to attempt to relieve
contact with supporting
tissues
Eliminate the cause of pain
Symptoms/clinical
findings
Cause Treatment
Problems relating to an inability to adapt
to dentures
• There are a variety of symptoms which may
be functionally-related (ie eating associated
problems, speech etc), psychologically-related
or may relate to patience. Clearly there is a
need to diagnose the former at the planning
stage of treatment and to avoid the latter by
virture of trial denture visits which focus on
the functional and aesthetic components of
the compete dentures.
• Some of the psychologically-related problems
may be recognized at an early stage but even
if psychological assessments are taken, not all
are infallible.
Noise on
masticating/speaking
May be apparent on
first insertion or may
appear as resorption
causes dentures to
loosen
May be lack of skill with
new dentures, excessive
OVD, occlusal
interference, loose
dentures, or poor
perception of patient to
denture wearing
Where unfamiliarity present,
reassurance and persistence
recommended. Address specific
faults or remake as required
Eating difficulties
Dentures move over
supporting
tissues
Unstable dentures.
Check that retentive
forces are maximised
and displacing forces
minimised and all
available support has
been used
Construct dentures to maximise
retention and minimise displacing
forces
List of denture problems associated with problems of
adaptation
Symptoms/clinical
findings
Cause Treatment
’Blunt teeth’ Broad posterior occlusal
surfaces which replaced
narrow teeth on previous
denture. Non anatomical
type teeth used where
cusped teeth previously
used
Where non-anatomical teeth used,
careful explanation of rationale is
required, may be possible to
reshape teeth. Routine use of
narrow tooth moulds recommended.
’Jaws close too far’ Lack of OVD, so that
mandibular elevator muscles
cannot work
efficiently
May increase up to 1.5 mm by
relining but if deficiency is greater,
remake denture
’Cannot open
mouth wide
enough for food’.
May be speech
problems and facial
pain especially over
masseter region
Excessive OVD Can remove up to 1.5 mm from
occlusal plane by grinding, but if
more is required, remake dentures
Symptoms/clinical
findings
Cause Treatment
Speech problems
Uncommon, but
presence is of
great concern to
patient. May
affect sibilant (eg
s), bilabial (eg p,b),
labiodental (eg f.v)
Cause may not be obvious.
May be unfamiliarity - check
that problem not present
with old dentures
Check for vertical dimension
accuracy, and that vertical incisor
overlap not excessive. Palatal
contour should not allow excessive
tongue contact or air leakage -
assess using disclosing paste over
denture palate while sound is made.
NB It is recommended that the
patient’s speech is assessed at trial
insertion visit
Gagging
May be
volunteered by
patient prior to
treatment, or
apparent at
commencement of
treatment or on
insertion of
denture
May be loose dentures, thick
distal border of upper
denture: lingual placement
of upper posterior teeth
or low occlusal plane causing
contact with dorsal aspect of
tongue
Construct dentures to maximise
retention and minimise displacing
forces. Use ’condition’ appliance
eg fully extended base for home
use. Psychological assessment if
indicated
Symptoms/clinical
findings
Cause Treatment
Appearance
Complaints may
arise from patient
or relatives.
Common
complaints
include: shade of
teeth too light or
dark; mould too
big/small;
arrangement too
even or irregular
or lacking diastema
Patient failed to comment at
trial stage, or has
subsequently been swayed
by family or friends.
Perhaps the change from the
old denture to the
replacement denture
is too sudden/severe
Accurate assessment of patient’s
aesthetic requirements. Ample time
for patient comments at trial stage.
Use any available evidence to
assist - photographs, previous
dentures. Consider template
prosthesis
Too much visibility
of teeth
Level of occlusal plane
unacceptable, teeth placed
on upper anterior ridge and
no/poor lip support
Accurate prescription to laboratory
via optimally adjusted occlusal rim.
Symptoms/clinical
findings
Cause Treatment
Creases at corners
of mouth
Labial fullness and anterior
tooth
position may be inaccurate.
OVD
may be inadequate
Adjust tooth position as appropriate.
If OVD problem, re-register jaw
relations
Colour of denture
base material
“unatural”
Patient’s skin colour not
taken into
account in determining
colour of base material
Remake using suitable base material
Symptoms/clinical
findings
Cause Treatment
Altered speech
• When complete dentures are first worn there is
always some temporary alteration in speech owing
to the thickness of the denture covering the palate,
necessitating slightly altered positions of the tongue.
• Commonly this is only a temporary inconvenience,
most rapidly overcome by the patient reading aloud;
when there is an altered position of the upper
incisors, a change in their palatal shape, any
reduction of tongue space, or alteration in occlusal
level, adaptation may be very difficult even with
perseverance
Altered speech-2
• Treatment: the dentures must be remade
paying particular attention to the principles
and to the correct restoration of the denture
space, defined as the space in the edentulous
mouth formerly occupied by the teeth and
supporting tissues which have since been lost.
Appearance
• In spite of the greatest care on the part of the
dentist to obtain the patient's full approval of
the appear-ance at the trial stage, there will
always be some patients who are dissatisfied
with their appearance when wearing the
finished dentures.
Appearance-2
• The patient should not be condemned too
severely for this inconsistency, as it is difficult
to form a considered opinion on all details of
facial appearance when sitting in a dental
chair, in strange surroundings, with trial
dentures in the mouth, and being asked to
criticize the work of a professional person.
Inability to eat
• This complaint is mainly confined to patients
who are wearing complete dentures for the
first time, and are impatient at the time spent
in acquiring new habits of eating.
• Careful attention by the operator to the
psychological approach to denture wearing,
will eliminate this complaint except in rare
cases, and these must be persuaded to -
persevere, so that they will either learn anew
how to eat or will define some specific
complaint which can then be remedied.
Inability to eat-2
• Difficulty may be encountered with certain
fibrous foods and this is likely to be due to
low-cusp or zero-cusp posterior teeth, lack of
interdigitation of posterior teeth, the use of
acrylic teeth in a patient used to porcelain,
unbalanced occlusion, or a locked occlusion
arising from setting teeth on a plane-line
articulator.
• These faults may also cause the dentures to
dislodge during eating, a further complication
being a restricted tongue space which may
occur if the upper teeth are set directly over
the ridge, if the lower posterior teeth
overhang the tongue or if the posterior teeth,
particularly the lowers, are too broad.
• The posterior natural teeth are often lost some time
before the anterior ones, with the result that a habit
is formed of eating on the anterior teeth. When
complete dentures are being worn for the first time,
it is only natural that the patient should try to
continue his previous eating habits with bad results.
CONCLUSION
• The patient is advised to report immediately
whenever there is any problem.
• In case of tissue reactions like ulcers,
soreness, e.t.c. the patient is advised to stop
wearing the prosthesis and report to the
dentist as soon as possible.
REFERENCES
• Lecture note on common complaints of
complete denture wearers by Dr T. O. Esan,
consultant prosthodontics, Faculty of
Dentistry, Obafemi Awolowo University
• Presentation on Post Insertion complaints
In Complete Denture Patients ( India Dental
Academy)
• Textbook of Prosthodontics by Nallaswamy
THANK YOU

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Common complaints of complete denture wearers

  • 1. COMMON COMPLAINTS OF COMPLETE DENTURE WEARERS Arubuola E. O.
  • 2. CONTENTS • INTRODUCTION • COMMON COMPLAINTS – Discomfort/pain – Looseness – Adaptability – Altered speech – Inability to eat – Appearance • CONCLUSION • REFERENCES
  • 3. INTRODUCTION • There is, inevitably, the potential for problems to arise subsequent to the insertion of complete dentures. • These problems may be transient and may be essentially disregarded by the patient or they may be serious enough to result in the patient being unable to tolerate the dentures.
  • 4. INTRODUCTION-2 • Factors causing problems may be grouped, essentially into four causes. • Adverse intra-oral anatomical factors eg atrophic mucosa. • Clinical factors eg poor denture stability. • Technical factors eg failure to preserve the peripheral roll on a master cast. • Patient adaptional factors.
  • 5. INTRODUCTION-3 • By far the most critical factors are the patient adaptional factors. Many patients are unable to adapt physically and/or psychologically to dentures that satisfy clinical and technical prosthodontic norms. • Once a denture-wearing problem becomes apparent, it is important that it is addressed in a logical and systematic way.
  • 6. INTRODUCTION-4 • That is to say, an adequate history of the problem must be obtained and a careful examination of the mouth carried out so that an accurate diagnosis can be made, and an appropriate treatment plan devised.
  • 7. INTRODUCTION-5 • Champion H et al in 1995 investigated into the problems experienced by 114 referred patients with complete dentures who were considered to be difficult or to have difficult prosthodontic problems. The commonest problems were those of pain and lack of retention, mainly due to occlusal discrepancies and excessive VDO.
  • 8. INTRODUCTION-6 • Roessler DM et al. 2003 Before treatment even begins, the patient's motivation for denture treatment and emotional attitude towards dentures must be evaluated. Patients will thereby gain realistic expectations of what can and cannot be achieved, and dentists will understand what the patient really wants. Finally, patients must be informed that continued success depends on regular denture maintenance at home combined with periodic consultation with the dentist
  • 9. • Treatment was carried out on an individual basis with a large proportion of dentures being remade. • However, a small number was satisfied by counseling alone without procedural treatment. The overall success rate for treatment was 80%.
  • 10. COMMON COMPLAINTS • Common problems reported by patients shortly after provision of replacement dentures include. • Pain or discomfort • Looseness • Inability to chew • Inability to speak properly.
  • 11. COMMON COMPLAINTS-2 • Instabilty • TMJ pain • Clattering noise or clicking sound. • Excessive salivation. • Cheek biting • Adaptation • Appearance
  • 12. COMMON COMPLAINTS-3 • Some of these problems/difficulties may have a very large number of possible causes, and, indeed, can be multifactorial in origin. • For simplicity, the problems will be discussed in the order they tend to occur most frequently.
  • 13. Discomfort • Many patients experience some discomfort for a period of up to a few days following receipt of new or replacement dentures. • The great majority of patients achieve comfortable co-existence with their appliances following a short period of adjustment to the new conditions. • This can be greatly assisted by a careful, detailed explanation of any difficulties that the operator might anticipate.
  • 14. Discomfort-2 • For some, however, especially where potential problems were not identified at examination or at the time of insertion, the consequent discomfort can be prolonged. • In addition, discomfort may arise some time after apparently successful prosthodontic provision as a result of intra-oral or systemic changes or of denture wear or damage. • Discomfort is most frequently—but not exclusively—associated with the lower denture supporting area.
  • 15. List of factors resulting in discomfort related to the impression surface of dentures Symptoms/clinical findings Cause Treatment Discrete painful areas Pearls or sharp ridges of acrylic on the fitting surface arising from deficiency in laboratory finishing Locate with finger, or snagging dry cotton wool fibres. Use disclosing material to assist . trim to ease denture Pain on insertion and removal, possibly inflamed mucosa on side(s) of ridges Denture not relieved in region of undercuts Use disclosing material to adjust in region of ’wipe off’. excessive removal may reduce retention. Also clinician should only insert denture and then remove it - the patient should not occlude as this may confuse an occlusal fault with support problems
  • 16. Areas painful to pressure Pressure areas resulting eg from faulty impressions, damage to working cast, warpage of denture base. Consider also residual pathology (eg retained root), lack of relief for active frena, non-displaceable mucosa over bony prominence (eg torus) Use disclosing material to accurately locate area to be relieved. If severe, remake may be required. Consider removal of root Over-extension of lingual flange. Painful mylohyoid ridge; denture lifts on tongue protrusion; painful to swallow Over-extended lower impression: instructions to laboratory not clear or non-existent Determine position and extent of over-extension using disclosing material and relieve accordingly Symptoms/clinical findings Cause Treatment
  • 17.
  • 18. Generalized pain over denture-supporting area Under-extended denture base - may be the result of over-adjustment to the periphery, or impression surface. Check for adequacy of FWS Extend denture to optimal available denture support area. If insufficient FWS, remake may be required Lack of relief for frena or muscle attachments; pinching of tissue between denture base and retromolar pad or tuberosity. Sore throat, difficulty in swallowing Peripheral over-extension resulting from impression stage and/or design error. Palatal soreness as post dam too deep Relieve with aid of disclosing material. Care with adjustment of post dam - removal of existing seal and its replacement in greenstick prior to permanent addition may be required Symptoms/clinical findings Cause Treatment
  • 19. Related to occlusal surfaces Pain on eating in presence of occlusal imbalance (no support problems) Anterior prematurity or posterior prematurity, incisal locking, lack of balanced articulation Determine where occlusal prematurities exist. Adjust occlusion by selective grinding. If severe error remount using facebow and new interocclusal records Pain lingual to lower anterior ridge If no over-extension present, look for protrusive slide from Resting cuspal position to intercuspal position Mark deflecting inclines of posterior teeth with thin articulating paper. If slide exceeds half a cusp width, re-register and reset List of factors resulting in discomfort - relating to occlusal and polished surfaces of dentures Symptoms/clinical findings Cause Treatment
  • 20. Pain and/or inflammation on labial aspect of lower ridge If no impression surface defect, may be lack of incisal overjet causing incisal locking Reduce incisal vertical overlap. If appearance compromised, resetting the incisors may be required Pain about periphery of dentures possibly accompanied by pain in masseter and posterior temporalis muscles (classically pain increases as the day progresses) Vertical dimension of occlusion more than patient can tolerate If excess less than 1.5 mm, grind to provide FWS. If greater than 1.5 mm, re- register to reset dentures at new OVD Cheek and or lip biting For cheeks - likely that functional width of sulcus was not restored. For lips - poor lip support/inadequate anterior horizontal overlap For cheek biting, restore functional width of sulcus and/or reset. For lips, grind lower incisors to provide a more appropriate incisal guidance angle Symptoms/clinical findings Cause Treatment
  • 21. Tongue biting Lack of lingual overjet - teeth generally placed lingual to lower ridge low occlusal plane Reduced vertical height Remove lower lingual cusps, or reset teeth Related to polished surfaces Pain at posterior aspect of upper denture on opening Flange on buccal aspect of tuberosity too thick and constraining coronoid process Use disclosing material to accurately define area involved, relieve and repolish Symptoms/clinical findings Cause Treatment
  • 22. Burning sensation over upper denture supporting tissues, but may involve other intra-oral tissues, eg tongue. Burning mouth syndrome often seen in middle-aged or elderly females. Denture faults must be excluded, also general organic and pyschogenic factors Correction of any denture faults, may require multivitamin/nutrition advice and treatment. Possibly antidepressant therapy. Beefy red tongue, possibly glossodynia Vitamin B12/folate deficiency Refer for medical treatment Where some saliva flow is present, sugar-free citrus lozenges may help. Frictional lesions related to dentures, mucosa may adhere to probing finger, may be complaint of dry mouth Xerostomia, commonly side effect of prescribed drugs Where there is an obvious paucity of saliva, artificial saliva may be considered List of factors resulting in discomfort - factors with possible systemic associations
  • 23. Tongue thrusting. Empty mouth ’chewing’. Often seen in elderly patients May have neurological or psychological aspects. Possibly drug related Difficult to manage. Treatment may be required to include occlusal adjustment and/or occlusal pivots Presence of herpetiform ulcers in mouth Painful ’click’ related to TMJ on opening and/or closing mouth and/or tenderness of muscles of mastication Herpes simplex or Herpes zoster virus.History and distribution of lesions to confirm Dentures merely coincidental to the condition. May be useful to suggest preventive remedy (eg acyclovir) for some sufferers Painful ’click’ related to TMJ on opening and/or closing mouth and/or tenderness of muscles of mastication TMJ pain dysfunction syndrome may be related to rapid change on OVD (either gross increase or decrease) on production of new denture. May have psychological aspects, occasionally part of general joint disease If denture faults present, careful correction required with special care to registration and vertical dimension Symptoms/clinical findings Cause Treatment
  • 24.
  • 25. Patient complains of allergy to denture material Rare symptoms may relate to higher residual monomer content of acrylic If excess residual monomer detected, rebase denture using controlled heat cure cycle. May need to consider remaking denture using polycarbonate resin Painless erythema of mucosa related to support of (usually) upper denture, may be accompanied by angular cheilitis Denture-related stomatitis. Often has a frictional element due to ill-fitting denture plus opportunistic candidal infection. Occasionally related to iron or folate deficiency Best to leave denture out until condition clears, then remake. If not possible, correct denture faults, eg using occlusal pivots, regularly supervised and replaced tissue conditioners prior to remake. If angular cheilitis present, combinations of antifungal and antibacterial agents (eg miconazole) useful Symptoms/clinical findings Cause Treatment
  • 26. Looseness of dentures • Looseness of dentures is more commonly associated with the lower denture, and may be referred to by patients as their denture ‘rocking’, ‘falling’ (complete upper) or ‘rising’ (complete lower), ‘shifting’ or sometimes that they ‘feel too big’. • In simple terms, retention and stability of complete dentures may be likened to a simple balance ie on one side retaining forces and on the other displacing forces. If the latter exceed the former, instability/looseness will arise.
  • 27. • It must be stressed, however, that the fulcrum is the patient, or rather the patient’s ability to adapt to dentures — this is less easy to anticipate.
  • 28. Lack of peripheral seal Border under-extension in depth Border under- extension in width. Often a particular problem in disto-buccal aspects of upper periphery which may be displaced by buccinator on mouth opening. Posterior border of upper denture Add softened tracing compound to relevant border, mould digitally and by functional movements by patient. Replace compound with acrylic resin. As a temporary measure a chairside reline material may be used .Check border is correctly sited on fixed tissue at junction with mobile tissue of soft palate. Trace thin string of softened tracing compound along impression surface of posterior border and seat denture firmly in mouth. Replace compound with acrylic resin. For temporary solution, use butymethacrylate resin as above List of factors resulting in looseness of dentures - arising from decreased retentive forces
  • 29. Inelasticity of cheek tissues Consequence of ageing process; scleroderma, submucous fibrous Mould denture borders incrementally using softened tracingcompound as functional movements are performed - aim to slightlyunder-extend depth and width of denture periphery. Repeated treatment may be required as inelasticity progresses
  • 30. Xerostomia Reduces ability to form a suitable seal Medication by many commonly prescribed drugs, irridiation of head and neck region, salivary gland disease, infirm Design dentures to maximise retention and minimise displacing forces. Prescribe artificial saliva where appropriate Neuromuscular control Essential for successful denture wearing: speech and eating difficulties occur Basic shape of denture incorrect, lower molars too lingual; occlusal plane too high: upper molars buccal to ridge and buccal flange not wide enough to accommodate this; lingual flange of lower convex. Patient of advanced biological age Correct design faults by, eg removal of lingual cusps of posterior teeth. Flatten polished lingual surface of lower from occlusal surface to periphery, fill sulci to optimal width. May require remake to optimal design. Use information from successful previous denture if available. Denture adhesives may be deemed to be necessary
  • 31. Air beneath impression surface. Denture may rock under finger pressure. May see gap between periphery of flange and ridge. Occlusal error subsequent to warpage Deficient impression. Damaged cast. Warped denture. Over-adjustment of impression surface. Residual ridge resorption. Undercut ridge. Excessive relief chamber. Change in fluid content of supporting tissues Reline if design parameters of denture satisfactory, otherwise remake as required. Ensure that areas of heavy contact between denture and tissues are relieved prior to impression making. Where change in tissue fluid distribution is suspected check medication (eg diuretics) posture (eg heart failure) lack of recovery of tissues from effects of old denture prior to working impressions being obtained. Stabilise fluid content of tissues and use minimal pressure impression method
  • 32. Looseness as a result of increased displacing forces
  • 33. Denture borders Over-extension in depth Slow rise of lower denture when mouth half open, line of inflammation at reflection of sulcal tissues; ulceration in sulcal region. Deep post dam on upper base may cause pain, ulceration If buccal to tuberosities, denture displaces on mouth opening, or cheek soreness occurs. Thickened lingual flange enables tongue to lift denture; thick upper and lower labial flanges may produce displacement during muscle activity Slightly under-extend denture flange and accurately mould softened tracing compound. Check borders of record rims and trial dentures at the appropriate stages. Deep post dam to be cautiously reduced and denture worn sparingly until inflammation clears Overextension in width Cheeks appear plumped out. In lower, the buccal flange may be palpated lateral to external oblique ridge Design error Reduce over-extension. Use disclosing material to determine what is excessive Symptoms/clinical findings Cause Treatment
  • 34. Denture not in optimal space Molars on lower denture lingual to ridge, optimum triangular shape of dentures absent Posterior occlusal table too broad, causing tongue trapping Thick lingual flanges encroaching on tongue space, causing lifting. Excess lip pressure to lower anterior aspect - teeth anterior to ridge, thick periphery Excess pressure from upper lip to upper denture arising from teeth too labially sited to acute naso-labial angle; or failure to adequately seat denture during relining impression procedure Remove lingual cusps and lingual surface from relevant area, repolish. If triangular form not restored, reset teeth or remake dentures Narrow posterior teeth and/or remove most distal teeth from dentures. Reshape lingual polished Surface .Thin lower labial flange, ensure optimal extension to retromolar pads to resist displacement, reset anterior teeth if necessary Usually requires remaking denture Symptoms/clinical findings Cause Treatment
  • 35. Poor fit to supporting tissue Recoil of displaced tissue lifts denture Poor/inappropriate impression technique especially in posterior lingual pouch area Reline if all other design parameters satisfactory, otherwise remake. Ensure denture is removed from mouth 90 mins prior to impression Symptoms/clinical findings Cause Treatment
  • 36. Occlusal errors Uneven tooth contact causing tilting of dentures and prevents even seating of loosened appliances ICP and RCP not coincident - disrupts border seal and prevents accurate reseating Lack of freedom in ICP (occlusal-locking) dentures will shift on supporting tissues for those patients with poor control of mandibular movements Adjust occlusion until even initial contact in RCP obtained. If gaps between teeth exceeds 1.5 mm reset teeth or remake dentures. For gaps less than 1.5 mm it may still be necessary, in the interest of accurate diagnosis, to remount the dentures, as a patient’s mouth may be too tender to permit chairside adjustment. Adjust occlusion for coincident ICP/RCP contact. If error is greater than half width of cusp, all teeth on at least one denture need resetting. Remount dentures on adjustable articulator and adjust area of occlusal contact. Allow 1.5 mm of anterior movement from RCP. May use cuspless teeth where appropriate List of factors resulting in looseness - arising from increased displacing forces - occlusal and anatomical factors
  • 37. Ulceration labial to lower ridge Excessive vertical overlap of anterior teeth. Lack of balance and anterior tooth contact may cause tilting, soreness in lower ridge Last mandibular molars placed too far posteriorly and lie over retromolar pad or ascending part of ramus. Occlusal contact on this ’inclined plane’ causes denture to slip forward Occlusal plane/s not orientated appropriately and masticatory forces tend to move dentures over supporting tissues Reduce height of lower anteriors. Aesthetic problems may necessitate resetting of teeth Remove most posterior teeth from denture Usually requires teeth to be reset or dentures to be remade Symptoms/clinical findings Cause Treatment
  • 38. Fibrous displaceable ridge Masticatory forces tend to cause denture to sink into and tilt towards supporting tissues Reline after removal of acrylic from impression surface until no contact with displaceable tissue, provide many vent holes, low viscosity impression material, maximise posterior border seal Bony prominence covered by thin mucosa (eg tori) Denture rocks over prominence which may be covered with inflamed tissue Remove acrylic from impression surface where disclosing material shows excessive loading of supporting tissues. Do not create excessive relief or loss of retention may result Symptoms/clinica l findings Cause Treatment
  • 39.
  • 40.
  • 41. Non-resilient soft tissue Does not adapt to impression surface of denture reducing support and retention factors Reline dentures to obtain optimal border extensions in depth and width, use low viscosity impression material Pain avoidance mechanisms Use of excessive amounts of fixative, or self-applied reline material, or even cotton wool, to attempt to relieve contact with supporting tissues Eliminate the cause of pain Symptoms/clinical findings Cause Treatment
  • 42. Problems relating to an inability to adapt to dentures • There are a variety of symptoms which may be functionally-related (ie eating associated problems, speech etc), psychologically-related or may relate to patience. Clearly there is a need to diagnose the former at the planning stage of treatment and to avoid the latter by virture of trial denture visits which focus on the functional and aesthetic components of the compete dentures.
  • 43. • Some of the psychologically-related problems may be recognized at an early stage but even if psychological assessments are taken, not all are infallible.
  • 44. Noise on masticating/speaking May be apparent on first insertion or may appear as resorption causes dentures to loosen May be lack of skill with new dentures, excessive OVD, occlusal interference, loose dentures, or poor perception of patient to denture wearing Where unfamiliarity present, reassurance and persistence recommended. Address specific faults or remake as required Eating difficulties Dentures move over supporting tissues Unstable dentures. Check that retentive forces are maximised and displacing forces minimised and all available support has been used Construct dentures to maximise retention and minimise displacing forces List of denture problems associated with problems of adaptation Symptoms/clinical findings Cause Treatment
  • 45. ’Blunt teeth’ Broad posterior occlusal surfaces which replaced narrow teeth on previous denture. Non anatomical type teeth used where cusped teeth previously used Where non-anatomical teeth used, careful explanation of rationale is required, may be possible to reshape teeth. Routine use of narrow tooth moulds recommended. ’Jaws close too far’ Lack of OVD, so that mandibular elevator muscles cannot work efficiently May increase up to 1.5 mm by relining but if deficiency is greater, remake denture ’Cannot open mouth wide enough for food’. May be speech problems and facial pain especially over masseter region Excessive OVD Can remove up to 1.5 mm from occlusal plane by grinding, but if more is required, remake dentures Symptoms/clinical findings Cause Treatment
  • 46. Speech problems Uncommon, but presence is of great concern to patient. May affect sibilant (eg s), bilabial (eg p,b), labiodental (eg f.v) Cause may not be obvious. May be unfamiliarity - check that problem not present with old dentures Check for vertical dimension accuracy, and that vertical incisor overlap not excessive. Palatal contour should not allow excessive tongue contact or air leakage - assess using disclosing paste over denture palate while sound is made. NB It is recommended that the patient’s speech is assessed at trial insertion visit Gagging May be volunteered by patient prior to treatment, or apparent at commencement of treatment or on insertion of denture May be loose dentures, thick distal border of upper denture: lingual placement of upper posterior teeth or low occlusal plane causing contact with dorsal aspect of tongue Construct dentures to maximise retention and minimise displacing forces. Use ’condition’ appliance eg fully extended base for home use. Psychological assessment if indicated Symptoms/clinical findings Cause Treatment
  • 47. Appearance Complaints may arise from patient or relatives. Common complaints include: shade of teeth too light or dark; mould too big/small; arrangement too even or irregular or lacking diastema Patient failed to comment at trial stage, or has subsequently been swayed by family or friends. Perhaps the change from the old denture to the replacement denture is too sudden/severe Accurate assessment of patient’s aesthetic requirements. Ample time for patient comments at trial stage. Use any available evidence to assist - photographs, previous dentures. Consider template prosthesis Too much visibility of teeth Level of occlusal plane unacceptable, teeth placed on upper anterior ridge and no/poor lip support Accurate prescription to laboratory via optimally adjusted occlusal rim. Symptoms/clinical findings Cause Treatment
  • 48. Creases at corners of mouth Labial fullness and anterior tooth position may be inaccurate. OVD may be inadequate Adjust tooth position as appropriate. If OVD problem, re-register jaw relations Colour of denture base material “unatural” Patient’s skin colour not taken into account in determining colour of base material Remake using suitable base material Symptoms/clinical findings Cause Treatment
  • 49. Altered speech • When complete dentures are first worn there is always some temporary alteration in speech owing to the thickness of the denture covering the palate, necessitating slightly altered positions of the tongue. • Commonly this is only a temporary inconvenience, most rapidly overcome by the patient reading aloud; when there is an altered position of the upper incisors, a change in their palatal shape, any reduction of tongue space, or alteration in occlusal level, adaptation may be very difficult even with perseverance
  • 50. Altered speech-2 • Treatment: the dentures must be remade paying particular attention to the principles and to the correct restoration of the denture space, defined as the space in the edentulous mouth formerly occupied by the teeth and supporting tissues which have since been lost.
  • 51. Appearance • In spite of the greatest care on the part of the dentist to obtain the patient's full approval of the appear-ance at the trial stage, there will always be some patients who are dissatisfied with their appearance when wearing the finished dentures.
  • 52. Appearance-2 • The patient should not be condemned too severely for this inconsistency, as it is difficult to form a considered opinion on all details of facial appearance when sitting in a dental chair, in strange surroundings, with trial dentures in the mouth, and being asked to criticize the work of a professional person.
  • 53.
  • 54. Inability to eat • This complaint is mainly confined to patients who are wearing complete dentures for the first time, and are impatient at the time spent in acquiring new habits of eating. • Careful attention by the operator to the psychological approach to denture wearing, will eliminate this complaint except in rare cases, and these must be persuaded to - persevere, so that they will either learn anew how to eat or will define some specific complaint which can then be remedied.
  • 55. Inability to eat-2 • Difficulty may be encountered with certain fibrous foods and this is likely to be due to low-cusp or zero-cusp posterior teeth, lack of interdigitation of posterior teeth, the use of acrylic teeth in a patient used to porcelain, unbalanced occlusion, or a locked occlusion arising from setting teeth on a plane-line articulator.
  • 56. • These faults may also cause the dentures to dislodge during eating, a further complication being a restricted tongue space which may occur if the upper teeth are set directly over the ridge, if the lower posterior teeth overhang the tongue or if the posterior teeth, particularly the lowers, are too broad.
  • 57. • The posterior natural teeth are often lost some time before the anterior ones, with the result that a habit is formed of eating on the anterior teeth. When complete dentures are being worn for the first time, it is only natural that the patient should try to continue his previous eating habits with bad results.
  • 58. CONCLUSION • The patient is advised to report immediately whenever there is any problem. • In case of tissue reactions like ulcers, soreness, e.t.c. the patient is advised to stop wearing the prosthesis and report to the dentist as soon as possible.
  • 59. REFERENCES • Lecture note on common complaints of complete denture wearers by Dr T. O. Esan, consultant prosthodontics, Faculty of Dentistry, Obafemi Awolowo University • Presentation on Post Insertion complaints In Complete Denture Patients ( India Dental Academy) • Textbook of Prosthodontics by Nallaswamy

Editor's Notes

  1. Rcp> resting cuspal position Icp> intercuspal position