CONDILAR ANTEROPOSTERIOR INSTRUMENTAL VARIATION WITH TENS in COMPLETE DENTURES

Objectives: To compare the anteroposterior instrumental discrepancy in the condylar position using 2 intermaxillary recording systems obtained using lap trays with single central support (Bopayacu) and transcutaneous neuronal stimulation (TENS).
Methods: The clinical study was carried out to date in 18 edentulous patients with an average age of 68 years. For each patient, light-curing rim trays were made in each jaw. They were individualized and used to make a definitive impression. Intermaxillary recordings were taken with an acrylic central bearing device, BOPAYACU (RB) and with low-amplitude, ultra-low-frequency TENS (RT) (BNS-40 from Myotronics-Noromed, Inc), used 40 minutes in each patient. The final models were mounted on a Whip Mix model 2240 articulator. Graphic records were made in an Orthodent condylar position device with Bausch Arti-Fol metallic 12 micrometer thick articulating paper. Blue was used for RB and red for RT.
Results: Statistical analysis was based on Student's t test. The probability of error was also calculated using the Wilcoxon sign test. In both condyles the average difference in the anteroposterior direction was 2.1 mm. The P value obtained was greater than 0.01. The null hypothesis is accepted
Conclusions: Under the limitations of this study, we conclude that in the intermaxillary records obtained with both techniques analyzed on elderly edentulous patients, the recorded anteroposterior condylar position is equivalent.