Buccal and lingual bone level alterations after immediate implantation of four implant surfaces

A study in dogs

Estevam A. Bonfante, Malvin N. Janal, Rodrigo Granato, Charles Marin, Marcelo Suzuki, Nick Tovar, Paulo Coelho

Research output: Contribution to journalArticle

Abstract

Objectives: Bone formation and maintenance around implants placed immediately after tooth extraction may be affected by implant surface treatment and compromise long-term esthetic results. This study morphometrically evaluated buccal bone loss and bone-to-implant contact (BIC) of four implant systems placed immediately after tooth extraction in a dog model. Material and Methods: The premolars of eight beagle dogs were bilaterally extracted with a full-thickness flap, and root-form dental implants were placed on the root extraction socket. Implants (n = 16 each) with different surface treatments were placed from sites 1 to 4 and alternated between animals to allow evaluation of the same number of implants at sites and evaluation time points. Implant surface treatments were as follows: anodized, discrete crystalline deposition, SLActive, and microblasted. The left and right side provided implants that stayed for 2 and 4 weeks, respectively. Submerged healing was allowed and bone-to-implant contact (BIC) and buccal bone loss were morphometrically measured. Linear mixed models (P < 0.05) were used to assess differences between groups, across time, and their interaction. Results: Buccal bone loss was observed to approximately double between 2 and 4 weeks (P = 0.01). BIC also increased between 2 and 4 weeks, by 20-25% (P = 0.01). These changes were statistically similar for each surface. Conclusion: When placed immediately after tooth extraction, the evaluated histomorphometric parameters vary only with time.

Original languageEnglish (US)
Pages (from-to)1375-1380
Number of pages6
JournalClinical Oral Implants Research
Volume24
Issue number12
DOIs
StatePublished - Dec 2013

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Hyoid Bone
Zygoma
Tooth Extraction
Dogs
Bone and Bones
Dental Implants
Bicuspid
Esthetics
Osteogenesis
Linear Models
Maintenance

Keywords

  • Bone loss
  • Dental implants
  • Immediate
  • In vivo
  • Surface

ASJC Scopus subject areas

  • Oral Surgery

Cite this

Buccal and lingual bone level alterations after immediate implantation of four implant surfaces : A study in dogs. / Bonfante, Estevam A.; Janal, Malvin N.; Granato, Rodrigo; Marin, Charles; Suzuki, Marcelo; Tovar, Nick; Coelho, Paulo.

In: Clinical Oral Implants Research, Vol. 24, No. 12, 12.2013, p. 1375-1380.

Research output: Contribution to journalArticle

Bonfante, Estevam A. ; Janal, Malvin N. ; Granato, Rodrigo ; Marin, Charles ; Suzuki, Marcelo ; Tovar, Nick ; Coelho, Paulo. / Buccal and lingual bone level alterations after immediate implantation of four implant surfaces : A study in dogs. In: Clinical Oral Implants Research. 2013 ; Vol. 24, No. 12. pp. 1375-1380.
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