Document Detail

Influence of immediate attachment loss during instrumentation employing thin ultrasonic tips on clinical response to nonsurgical periodontal therapy.
MedLine Citation:
PMID:  20213026     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Mechanical instrumentation is fundamental to periodontal treatment. However, independent of the instrument used in scaling, an immediate attachment loss occurs at the bottom of the periodontal pocket. This study aimed to determine the influence of tip diameter on attachment loss and the influence of attachment loss on the periodontal response to nonsurgical treatment. METHOD AND MATERIALS: Fifteen patients presenting periodontal pockets with a probing depth of 3.5 mm or more in bilateral teeth were divided into two groups: test group-instrumented with a thin tip, and control group-instrumented with a traditional tip. Probing depth, relative gingival position, and relative attachment level were evaluated immediately before and after and at 1 and 3 months after treatment using an electronic computerized probe. The data were analyzed using ANOVA and Tukey tests (P = .05). RESULTS: Both groups presented attachment loss immediately after instrumentation; however, the thin tip resulted in statistically higher immediate clinical attachment loss than the traditional tip (0.85 and 0.15 mm, respectively; P < .0001). However, both groups showed a similar healing after the ultrasonic therapy, at all parameters evaluated (P > .05). CONCLUSION: In spite of the higher immediate clinical attachment loss inflicted by thin ultrasonic tips during instrumentation, this did not affect the clinical response to the nonsurgical treatment.
Renato Corr?a Viana Casarin; Sandro Bittencourt; Erica Del Peloso Ribeiro; Francisco Humberto Nociti; Antonio Wilson Sallum; Enilson Ant?nio Sallum; M?rcio Zafallon Casati
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Quintessence international (Berlin, Germany : 1985)     Volume:  41     ISSN:  1936-7163     ISO Abbreviation:  Quintessence Int     Publication Date:  2010 Mar 
Date Detail:
Created Date:  2010-03-09     Completed Date:  2010-06-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0342677     Medline TA:  Quintessence Int     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  249-56     Citation Subset:  D    
Department of Prosthodontics and Periodontics, School of Dentistry at Piracicaba, Campinas State University, S?o Paulo, Brazil.
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MeSH Terms
Analysis of Variance
Chi-Square Distribution
Dental Instruments
Dental Scaling / adverse effects*,  instrumentation*
Diagnosis, Computer-Assisted
Double-Blind Method
Equipment Design
Middle Aged
Periodontal Attachment Loss / etiology*
Periodontal Pocket / diagnosis,  therapy*
Periodontics / instrumentation
Prospective Studies
Statistics, Nonparametric
Treatment Outcome
Ultrasonic Therapy / instrumentation

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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