J Korean Acad Prosthodont.  2009 Jul;47(3):320-327.

Evaluation of clinical status of removable partial dentures

• Yang DS
• Cho U
• Jeong CM
• Jeon YC
• Yun MJ

Abstract

STATEMENT OF PROBLEM: Although many efforts have been continually made to estimate long term prognosis of removable partial dentures, the complication of removable partial dentures was still found because of inaccurate fabrication procedure and improper maintenance care. PURPOSE: The purpose of this study was to evaluate the clinical status of removable partial dentures. MATERIAL AND METHODS: A total of 112 individuals with 153 removable partial dentures (35 - 87 years, 64 women and 48 men) were examined by intra-oral examination, diagnostic cast and radiographic examination. Results and CONCLUSION: The results of this study were as follows: 1. Length of service of removable partial dentures was 5.3 +/- 4.3 years (mean), 4.0 years (median). 2. A total of 45 removable partial dentures were considered failures. The loss of 18 abutments of 369 was founded. 3. Type of arch, Kennedy classification and type of opposite dentition were found to have no influence on longevity and success rate of removable partial dentures (P > .05). 4. Most common major connector was the palatal plate in maxilla and the number of lingual bar and linguoplate designed in mandible were similar. 5. The circumferential type retainer was the most commonly used retainer. 6. Sixty-three percent of the class I and II removable partial dentures incorporated indirect retention into the design. 7. Approximately 81% of the removable partial dentures had at least one defect. Excessive wear of posterior teeth (27.9%), lack of integrity (23.2%), lack of stability (22.6%) were frequent defects of removable partial dentures.

Keyword

removable partial denture; clinical status; longevity; complication

MeSH Terms

Dentition
Denture, Partial, Removable
Female
Humans
Longevity
Mandible
Maxilla
Prognosis
Retention (Psychology)
Tooth

Figure

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  Fig. 1. Kaplan-Meier survival curve of all removable partial dentures.

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  Fig. 2. Kaplan-Meier survival curve of removable partial dentures in the maxilla and the mandible.

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