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The relations between alveolar ridge and the teeth located in neutral zone
1Department of Prosthodontics, Faculty of Dentistry, Hacettepe University, Ankara, Türkiye.
Journal of Marmara University Dental Faculty
|September 1, 1996
Summary
This study analyzed the neutral zone in edentulous patients to optimize denture teeth arrangement. Findings show lower molars are positioned lingual to the crest of the ridge, aiding denture stability.
Area of Science:
- Dentistry
- Prosthodontics
- Oral Anatomy
Background:
- The neutral zone is crucial for denture stability, representing the equilibrium between tongue, cheek, and lip forces.
- Understanding the neutral zone's relationship with the alveolar ridge is essential for successful complete denture fabrication.
Purpose of the Study:
- To investigate the relationship between the neutral zone and the crest of the ridge in edentulous patients.
- To establish guidelines for denture teeth arrangement based on neutral zone principles.
Main Methods:
- Records of the neutral zone were obtained from 30 edentulous patients.
- Patients were classified by age, edentulous period, and denture experience.
- Teeth arrangement was analyzed in relation to both the neutral zone and the crest of the ridge.
Main Results:
- Lower molars were found to be positioned slightly lingual to the crest of the ridge.
- Premolars were positioned either on or very close to the crest of the ridge.
- Anterior teeth arrangement adhered to established anatomical landmark principles.
Conclusions:
- Denture teeth arrangement should consider the neutral zone, particularly the lingual positioning of lower molars.
- This approach can enhance denture stability and function in edentulous patients.
- Further research can refine neutral zone principles for improved prosthodontic outcomes.