J Korean Acad Prosthodont.  2009 Apr;47(2):99-107. 10.4047/jkap.2009.47.2.99.

Evaluation of clinical status of fixed prosthesis

• Yun MJ
• Jeon YC
• Jeong CM

• KMID: 2195604
• DOI: http://doi.org/10.4047/jkap.2009.47.2.99

Abstract

STATEMENT OF PROBLEM: Restoring and replacing teeth with fixed prostheses commonly used in dental practice. Because of improper oral hygiene care and inaccurate laboratory procedure, complications of fixed prostheses were found in the mouth of patients. Although many efforts have been continually made to obtain the data of long term prognosis of fixed prostheses, it was difficult to do it. PURPOSE: The purpose of this study was to evaluate the clinical status of fixed prostheses. MATERIAL AND METHODS: In order to assess the clinical status of fixed prostheses, a total of 161 individuals (aged 17-85, 99 women and 62 men with 1596 unit of fixed prostheses, and 1169 abutments) who first visited the Department of Prosthodontics, Pusan National University Hospital, between April to September, in 2007 were examined. RESULTS AND CONCLUSION: The results of this study were as follows: 1. Length of service of fixed prostheses was 8.6+/-0.6 years (mean), 10.0 years (median). 2. Location of fixed prostheses was found to have no statistically significant influence on longevity of fixed prostheses (P > .05). But, the success rate was high in posterior region and in mandible where the failure rate was high in combination (P < .05). 3. Longevity of fixed prostheses made of metal was longest (mean: 13.0+/-9.3, median: 14.0), gold, precious ceramic, non-precious ceramic trailing behind (P < .05). 4. Number of units in fixed prostheses was found to have no statistically significant influence on longevity of fixed prostheses (P > .05). But, the success rate was high in Single-unit and the failure rate was high in over 3-unit (P < .05). 5. Condition of opposing dentition was found to have no statistically significant influence on longevity of fixed prostheses (P > .05). But, the success rate was high in natural dentition (P < .05). 6. Defective margin (28.2%), dental caries (23.0%), periodontal disease (19.3%), periapical disease (16.9%) were frequent complications. In 30.1% of the cases, abutment state after removing fixed prostheses was needed to be extracted.

Keyword

fixed prosthesis; clinical status; longevity; complication

MeSH Terms

Ceramics
Dental Caries
Dentition
Female
Humans
Longevity
Male
Mandible
Mouth
Oral Hygiene
Periapical Diseases
Periodontal Diseases
Prognosis
Prostheses and Implants
Prosthodontics
Tooth
Ceramics

Figure

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  Fig. 1. Kaplan-Meier survival curve of all fixed prostheses.

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  Fig. 2. Kaplan-Meier survival curve of fixed prostheses in location. A, in the maxilla and the mandible; B, in the anterior region, in the posterior region, and the combination.

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  Fig. 3. Kaplan-Meier survival curve of fixed prostheses in number of unit.

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  Fig. 4. Kaplan-Meier survival curve of fixed prostheses in material.

Reference

1.Schwartz NL., Whitsett LD., Berry TG., Stewart JL. Unserviceable crowns and fixed partial dentures: life-span and causes for loss of serviceability. J Am Dent Assoc. 1970. 81:1395–401.

2.Walton JN., Gardner FM., Agar JR. A survey of crown and fixed partial denture failures: length of service and reasons for replacement. J Prosthet Dent. 1986. 56:416–21.

3.Valderhaug J. A 15-year clinical evaluation of fixed prosthodontics. Acta Odontol Scand. 1991. 49:35–40.

4.Palmqvist S., Swartz B. Artificial crowns and fixed partial dentures 18 to 23 years after placement. Int J Prosthodont. 1993. 6:279–85.

5.Karlsson S. A clinical evaluation of fixed bridges, 10 years following insertion. J Oral Rehabil. 1986. 13:423–32.

6.Glantz PO., Ryge G., Jendresen MD., Nilner K. Quality of extensive fixed prosthodontics after five years. J Prosthet Dent. 1984. 52:475–9.

7.Glantz PO., Nilner K., Jendresen MD., Sundberg H. Quality of fixed prosthodontics after 15 years. Acta Odontol Scand. 1993. 51:247–52.

8.Glantz PO., Nilner K., Jendresen MD., Sundberg H. Quality of fixed prosthodontics after twenty-two years. Acta Odontol Scand. 2002. 60:213–8.

9.Moon HY. A study on the life expectation of dental restorations. Korean Acad Oral Health. 1985. 9:51–74.

10.Shin WJ., Jeon YS., Lee KW., Lee HY., Han DH. Longevity and failure analysis of fixed restorations serviced in Korea. J Korean Acad Prosthodont. 2005. 43:158–75.

11.Foster LV. The relationship between failure and design in conventional bridgework from general dental practice. J Oral Rehabil. 1991. 18:491–5.

12.Foster LV. Failed conventional bridge work from general dental practice: clinical aspects and treatment needs of 142 cases. Br Dent J. 1990. 168:199–201.

13.Roberts DH. The relationship between age and the failure rate of bridge prostheses. Br Dent J. 1970. 128:175–7.

14.Libby G., Arcuri MR., LaVelle WE., Hebl L. Longevity of fixed partial dentures. J Prosthet Dent. 1997. 78:127–31.

15.Holm C., Tidehag P., Tillberg A., Molin M. Longevity and quality of FPDs: a retrospective study of restorations 30, 20, and 10 years after insertion. Int J Prosthodont. 2003. 16:283–9.

16.Drake CW., Maryniuk GA., Bentley C. Reasons for restoration replacement: differences in practice patterns. Quintessence Int. 1990. 21:125–30.

17.Ryge G., Snyder M. Evaluating the clinical quality of restorations. J Am Dent Assoc. 1973. 87:369–77.

18.Leempoel PJ., Van't Hof MA., de Haan AF. Survival studies of dental restorations: criteria, methods and analyses. J Oral Rehabil. 1989. 16:387–94.

19.Kurer PF. Failures in full crown retained dental bridges. Br Dent J. 1984. 157:190.

20.Randow K., Glantz PO., Zo ¨ger B. Technical failures and some related clinical complications in extensive fixed prosthodontics. An epidemiological study of long-term clinical quality. Acta Odontol Scand. 1986. 44:241–55.

21.Richter WA., Ueno H. Relationship of crown margin placement to gingival inflammation. J Prosthet Dent. 1973. 30:156–61.

22.Ha ¨mmerle CH. Success and failure of fixed bridgework. Periodontol 2000. 1994. 4:41–51.