Have a personal or library account? Click to login
Digital workflow to fabricate a 3D-printed monobloc mandibular advancement appliance for primary snoring and obstructive sleep apnoea Cover

Digital workflow to fabricate a 3D-printed monobloc mandibular advancement appliance for primary snoring and obstructive sleep apnoea

Open Access
|Jul 2025

Figures & Tables

Figure 1.

Virtual model with bite scanned at 50% of the maximum mandibular protrusive excursion and 5 mm interincisal vertical opening.
Virtual model with bite scanned at 50% of the maximum mandibular protrusive excursion and 5 mm interincisal vertical opening.

Figure 2.

Marking of the extension of the plate on casts and its designated view.
Marking of the extension of the plate on casts and its designated view.

Figure 3.

Addition of bilateral bars from canines to second molars.
Addition of bilateral bars from canines to second molars.

Figure 4.

A, Final virtual MAA design; B, View of the virtual MAA with supports on the model-building platform.
A, Final virtual MAA design; B, View of the virtual MAA with supports on the model-building platform.

Figure 5.

A, 3D-printed MAA right lateral view; B, 3D-printed MAA frontal view; C, 3D-printed MAA left lateral view.
A, 3D-printed MAA right lateral view; B, 3D-printed MAA frontal view; C, 3D-printed MAA left lateral view.

Figure 6.

A, Patient’s right lateral occlusal view; B, Patient’s frontal occlusal view; C, Patient’s left lateral occlusal view.
A, Patient’s right lateral occlusal view; B, Patient’s frontal occlusal view; C, Patient’s left lateral occlusal view.

Figure 7.

A, Marking of the extension; B, Virtual appliance following the marking.
A, Marking of the extension; B, Virtual appliance following the marking.

Figure 8.

A, Bars addition; B, Virtual MAA design; C, 3D-printed MAA; D, Intraoral photographs of the MAA.
A, Bars addition; B, Virtual MAA design; C, 3D-printed MAA; D, Intraoral photographs of the MAA.

Figure 9.

A, Extension of the bars to the lateral incisors; B, Virtual MAA design; C, View of the virtual MAA with supports on model-building platform.
A, Extension of the bars to the lateral incisors; B, Virtual MAA design; C, View of the virtual MAA with supports on model-building platform.

Figure 10.

A, The 3D-printed MAA; B, Patient wearing the 3D-printed MAA.
A, The 3D-printed MAA; B, Patient wearing the 3D-printed MAA.

Patients’ demographics and baseline data

PatientAgeGenderEthnicityBMINCDiagnosisAHIMean Lowest Oxygen SaturationIncisor relationshipSagittal Skeletal PatternVertical Skeletal Pattern
132MaleChineseNormalNormalPrimary snorerNANAClass IClass INormodivergent
233MaleChineseNormalNormalPrimary snorerNANAClass IClass INormodivergent
338FemaleChineseNormalNormalMild OSA11.289%Class IClass IINormodivergent

Sleep parameters for patient 3

DateAHIApnoeaHypopnoeasSleep ArchitectureRespiratory EventArousalSnore Index
TST (min)SE (%)S1 (%)S2 (%)S3 (%)REM (%)Mean Lowest Oxygen Sat.Oxygen Desat.
Before MAAFeb 202311.20557332.587.523.253.41.29.389%552+
With MAANov 20234.62026338.089.510.044.026.020.094%02 (all associated with hypopnoeas)1
DOI: https://doi.org/10.2478/aoj-2025-0019 | Journal eISSN: 2207-7480 | Journal ISSN: 2207-7472
Language: English
Page range: 256 - 267
Submitted on: Feb 1, 2025
Accepted on: May 1, 2025
Published on: Jul 7, 2025
Published by: Australian Society of Orthodontists Inc.
In partnership with: Paradigm Publishing Services
Publication frequency: 1 times per year

© 2025 May Nak Lau, Kah Shin Ong, Cheng Lin Chong, Priyantha Lee Yek Pang, published by Australian Society of Orthodontists Inc.
This work is licensed under the Creative Commons Attribution 4.0 License.