PMC8545541_01
Intraoral view of the old complete denture and the new complete denture.
CRID2021-7819818.001.jpg
PMC8545541_01_CRID2021-7819818.001.jpg
fig1
The extraoral examination revealed the patient's mandible deviated to the right of the old complete denture (Figure 1). Recall appointments were scheduled 1 month, 3 months, and 6 months; the patient reported improvements in chewing and speaking in addition to his appearance (Figure 1).
The final function impression with the existing complete denture.
CRID2021-7819818.002.jpg
PMC8545541_01_CRID2021-7819818.002.jpg
fig2
The final functional impression was obtained using the closed-mouth impression technique (Figure 2).
Mounting the Gothic arch tracer to the existing complete denture and the Gothic arch apex of the CR was obtained.
CRID2021-7819818.003.jpg
PMC8545541_01_CRID2021-7819818.003.jpg
fig3
A fine hole in the plastic cover was placed at the GoA point to engage the stylus in the CR when the interocclusal recording material (O-bite, DMG, Germany) was being made (Figure 3).
Electrolaryngoscope observation of the BTC point during mouth closure.
CRID2021-7819818.004.jpg
PMC8545541_01_CRID2021-7819818.004.jpg
fig4
According to the sealing mechanism of a mandibular suction-effective denture, we used an electrolaryngoscope to observe the posterior border seal on the tongue and buccal mucosa above the polished surface in the retromolar pad region; the buccal mucosa and tongue side contact point (BTC point) could be seen during mouth closure (Figure 4).