Complete denture insertion. Part 3: Causes and correction of occlusal disharmony
Автор: Dr. Mahmoud Ramadan
Загружено: 2022-02-27
Просмотров: 2933
Описание:
Causes of occlusal disharmony
Errors in jaw relation
Errors in mounting on articulator
Errors in processing
Difference of adaptation between trial & final denture base
Dimensional changes of acrylic denture base material
Changes in the supporting structures
Correction of occlusal disharmony
Intraoral adjustments:
1- Articulating paper: Disadv. (Tissue resilienncy – D. movement) Bilateral.
2- Occlusal indicator wax ( 2 strips of occlusal wax 6mm thick).
3- Central bearing device with articulating paper.
4- Abrasive paste (Shift – decrease V.D.O. – movement).
Extraoral adjustments:
1- Laboratory remounting:
restore centric occlusion – Perfect working& balancing occlusion (lateral balance) – establish protrusive balance.
2- Clinical remounting:
- Mount upper denture: using plaster jig.
- Mount lower denture: using centric inter-occlusal record.
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