Palatal rugae duplication in complete
denture prosthesis acts as an effective aid helping patient
to favourably position his tongue during denture
adaptation. This aids the patient in learning to speak
with dentures shortly, hence improving his denture
satisfaction. Covering the palatal area by denture base
acrylic resin results in proprioceptive changes hence
rendering most of the complete denture wearers
handicapped with respect to speech and pronunciation.
Although, evident importance of palatal rugae in speech
production has not been proven, it has been suggested
that duplicating the palatine rugae in the complete
denture base facilitates speech especially the linguopalatal consonants.
Aim: The present in vivo study was done to compare
compliance and speech intelligibility of complete
denturewearers with conventional denture & denture
with modified anterior palate.
Materials and Methods: The study included four phases
(phase one without denture, phase two with conventional
complete denture, phase three subject with complete
denture having anatomic palate fabricated in PMMA
and phase four with complete denture having anatomic
palate fabricated in silicone). Sound samples were
recorded in each phase. Fifty individuals in the age
group of 55 to 70 years participated in the study. The
sound samplesrecorded from each subject were assessed
both quantitatively (by speech analysis software) and
qualitatively (by team of speech specialist). The recorded
data was analysed using a one-way ANOVA for repeated
measurements and Mann-Whitney U test for Likert’s
Results: Quantitatively Pitch & intensity of phase IV as
per statistical analysis showed significant difference
from phase I and patients showed more compliance for
phase IV dentures.
Conclusion: Within the extent of this in vivo study, it can
be inferred that speech intelligibility as well as
compliance after denture Insertion was more in phase IV
followed by phase III and phase II.