Influence of the prosthetic arm length (palatal position) of zygomatic implants upon patient satisfaction
2016
Background: To assess the influence of the prosthetic arm length (palatal position) of zygomatic implants upon
patient comfort and stability, speech, functionality and overall satisfaction.
Material and Methods: A retrospective clinical study was made of patients subjected to rehabilitation of atrophic
maxilla with complete maxillary implant-supported fixed prostheses involving a minimum of two zygomatic
implants (one on each side) in conjunction with premaxillary implants, and with 12 months of follow-up after implant loading. Subjects used a VAS to score general satisfaction, comfort and stability, speech and functionality,
and the results were analyzed in relation to the prosthetic arm length of the zygomatic implants 12 months after
prosthetic delivery.
Results: Twenty-two patients participated in the study, receiving 22 prostheses anchored on 148 implants (44 were
zygomatic and 94 were conventional implants). The mean right and left prosthetic arm length was 5.9±2.4 mm and
6.1±2.7 mm, respectively, with no statistically significant differences between them (
p
=0.576). The mean scores
referred to comfort/retention, speech, functionality and overall satisfaction were high - no correlation being found
between prosthetic arm length and patient satisfaction (
p
= 0.815).
Conclusions: No relationship could be identified between prosthetic arm length (palatal position) and patient sa-
tisfaction.
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