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Year : 2014  |  Volume : 2  |  Issue : 2  |  Page : 41-47

The posterior palatal seal: Its rationale and importance: An overview

1 Department of Prosthodontics and Maxillofacial Prosthetics, Maharaja Ganga Singh Dental College Center, Sri Ganganagar, Rajasthan, India
2 Department of Prosthodontics and Maxillofacial Prosthetics, Manipal College of Dental Sciences, Manipal, Karnataka, India

Correspondence Address:
Shelly Goyal
Dental Care, 62 G, Sector 7, Near Living Style Mall, Behind Apollo Hospital, Jasola Vihar, New Delhi 110 025
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2347-4610.131972

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The location and preparation of the posterior palatal seal is frequently neglected procedure. This seal contributes significantly to the retention of a maxillary complete denture. Hundreds of dentures have failed due to the improper establishment of the distal limit and to an improper posterior palatal seal. Its location and preparation on the master cast are often done by the dentist or dental technician without reference to anatomical landmarks of the mouth. Various methods of achieving posterior palatal seal and reproducing it in the maxillary denture have been described in the literature. This article aims toward rationale and importance of posterior palatal seal, anatomical reference landmarks, functions, methods to record, and discusses various problems associated with recording posterior palatal seal.

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