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Maximizing mandibular denture retention in the sublingual space.

Jia-Jin Chang1, Jen-Hao Chen, Huey-Er Lee

  • 1Kaosiung Medical University, Kaosiung, Taiwan.

The International Journal of Prosthodontics
|September 13, 2011
PubMed
Summary

Optimizing mandibular denture flange length significantly improves retention in edentulous patients. Proper flange extension in the sublingual region is crucial for denture stability and function.

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Area of Science:

  • Dental prosthetics
  • Geriatric dentistry
  • Oral anatomy

Background:

  • Edentulism affects a significant portion of the elderly population.
  • Mandibular denture retention is often compromised by anatomical discrepancies.
  • The anterior lingual flange and alveolingual sulcus play a critical role in denture stability.

Purpose of the Study:

  • To investigate discrepancies between the mandibular denture anterior lingual flange and the alveolingual sulcus.
  • To measure the impact of modifying flange lengths on denture retention.
  • To assess the value of proper flange extensions in the sublingual region for elderly edentulous subjects.

Main Methods:

  • Measurements of the anterior lingual flange and alveolingual sulcus were taken in 66 elderly Taiwanese denture patients.
  • Comparison of anatomical dimensions between the sulcus and denture flanges.
  • Mandibular denture retention was assessed before and after functional border molding of the anterior lingual flange.

Main Results:

  • A statistically significant difference was found between the mean anatomical dimensions of the alveolingual sulcus and the corresponding denture flanges.
  • Functional border molding led to a statistically significant increase in mean mandibular denture retention.
  • Discrepancies in flange and sulcus dimensions were linked to diminished denture retention.

Conclusions:

  • Mismatched dimensions between the anterior lingual denture flange and alveolingual sulcus negatively impact mandibular denture retention.
  • Proper flange extensions in the sublingual region are essential for enhancing denture stability and function in edentulous patients.
  • This study underscores the importance of precise denture flange adaptation for optimal outcomes in geriatric prosthodontics.