The biologically oriented preparation technique (BOPT) approach for preventing gingival recessions in fixed prosthodontics. A 5- to 13-year follow-up retrospective study.
Int J Esthet Dent
; 19(2): 112-124, 2024 May 10.
Article
em En
| MEDLINE
| ID: mdl-38726854
ABSTRACT
AIM:
The present study was a retrospective medium- to long-term follow-up assessment of the clinical outcomes of patients rehabilitated with fixed prostheses according to the biologically oriented preparation technique (BOPT) principles. MATERIALS ANDMETHODS:
Clinical records of patients rehabilitated between January 2007 and December 2014 were retrospectively assessed. Patients whose records met the inclusion criteria were also recalled for a hygiene visit. Data analyzed included the patients' periodontal condition, the presence of gingival recessions as well as any technical or biologic prosthetic complication.RESULTS:
Fifty-eight patients were recalled; of these, 52 patients who had received 220 crowns were available for the evaluation (the dropout being 13.8%). The average follow-up was 9.3 years (range 5 to 13 years) 14 patients (114 prosthetic crowns) had a follow-up between 5 and 8 years, and 36 patients (106 prosthetic crowns) between 9 and 13 years. The prosthetic survival rate was 99.6%. One radicular fracture (0.4%) and four chippings of the veneering porcelain (1.8%) were recorded. Six teeth (2.7% of the examined prosthetic crowns) presented gingival recession of < 1 mm, and 13 teeth (24 sites) had a pocket probing depth of 4 mm (5.9% of the prosthetic crowns/1.8% of the sites). Finally, 20 sites (1.5%) in seven teeth (3.2%) showed bleeding on probing.CONCLUSIONS:
Tooth preparation according to the BOPT principles (ie, with a vertical finishing line) resulted in medium- to long-term periodontal health and stability of the gingival tissue, and prosthetic success was maintained.Palavras-chave
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Bases de dados:
MEDLINE
Assunto principal:
Retração Gengival
Limite:
Adult
/
Aged
/
Female
/
Humans
/
Male
/
Middle aged
Idioma:
En
Revista:
Int J Esthet Dent
Ano de publicação:
2024
Tipo de documento:
Article