The lingual extension of a mandibular edentulous impression is the most challenging
border to determine accurately. Appropriately extending the mandibular lingual flange
to assist in stabilizing a removable denture can be obtained with correct understanding
of anatomy and function of the floor of the mouth.
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The lingual flange rests in the alveololingual sulcus, which has an S-shaped curve
that extends from the lingual frenum to the premylohyoid fossa and then curves medially
from the body of the mandible to the retromylohyoid fossa.
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References
- Complete denture impression based upon the anatomy of the mouth.J Am Dent Assoc. 1944; 31: 1174-1181
- Anatomy of the mouth in relation to complete dentures.J Am Dent Assoc. 1942; 29: 331-345
- Prosthodontic treatment for edentulous patients-complete dentures and implant-supported prostheses.12th ed. Mosby, St. Louis2004: 239-241
- The need for basic impression procedures in the management of normal and abnormal edentulous mouths.J Prosthet Dent. 1957; 7: 579-589
- A critical analysis of mid-century impression techniques for full dentures.J Prosthet Dent. 1951; 1: 472-491
- The posterior lingual extension of complete lower dentures.J Prosthet Dent. 1968; 19: 452-459
- The use of swallowing in making complete lower impressions.J Prosthet Dent. 1968; 19: 208-218
- Textbook of complete dentures.6th ed. People’s Medical Publishing House-USA, Shelton2009: 118-119
Article info
Publication history
Published online: February 08, 2021
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© 2020 by the Editorial Council for the Journal of Prosthetic Dentistry.
