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:: Volume 6, Issue 6 (1-2012) ::
3 2012, 6(6): 0-0 Back to browse issues page
The Thickness of Facial Alveolar Bone Overlying Healthy Maxillary Anterior Teeth
Marjan Ghassemian * , Hessam Nowzari , Carlo Lajolo , Fernando Verdugo , Tommaso Pirronti , Antonio D'Addona
Catholic University of the Sacred Heart, Rome, Italy
Abstract:   (2679 Views)

 Background: A facial bone (<2 mm) overlying maxillary anterior teeth may be prone to resorptive processes after extraction and immediate implant placement. A thin bone contributes to risk of bone fenestration, dehiscence, and soft-tissue recession. This study measures the distance between the cemento-enamel junction (CEJ) and alveolar bone crest and the thickness of facial alveolar bone at points 1 to 5 mm from the bone crest for the six maxillary anterior teeth.

 Methods: Sixty-six tomographic scans (31 males and 35 females aged 17 to 69 years mean age: 39.9 years) of intact anterior maxilla were randomly selected and evaluated by two calibrated and independent examiners (MG and TP).

 Results: A high variation of CEJ–bone crest (0.8 to 7.2 mm) was detected. A significantly larger CEJ–bone crest was measured in smokers (P <0.05) and patients who were ≥50 years old (P <0.05). The average bone thickness at 3 mm from the CEJ for the maxillary right central incisor was 1.41 mm and for the maxillary left central incisor was 1.45 mm. For the maxillary right and left lateral incisors, the crestal bone thickness averaged 1.73 and 1.59 mm, respectively. For the maxillary right and left canines, the crestal bone thickness averaged 1.47 and 1.60 mm, respectively.

 Conclusions: The present study supports the finding of a predominantly thin facial bone overlying the six maxillary anterior teeth. Therefore, it is essential to make informed treatment decisions based on thorough site evaluation before immediate implant placement.


  Source : Journal of Periodentology

  Full text

Keywords: Alveolar bone loss, defects, facial bones, immediate dental implant loading
     
Type of Study: Research | Subject: Periodontology
Received: 2012/02/13 | Published: 2012/01/15
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Ghassemian M, Nowzari H, Lajolo C, Verdugo F, Pirronti T, D'Addona A. The Thickness of Facial Alveolar Bone Overlying Healthy Maxillary Anterior Teeth. 3 2012; 6 (6)
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Volume 6, Issue 6 (1-2012) Back to browse issues page
جامعه اسلامی دندانپزشکان Islamic Dental Association of IRAN

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