Alveolar Crest Reduction Following Full and Partial Thickness Flaps

Wood, Dale L.; Hoag, Philip M.; Donnenfeld, O. Walter; Rosenfeld, Leon D.

doi:10.1902/jop.1972.43.3.141

Cited by 237 publications

(209 citation statements)

References 6 publications

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“…Performing a standalone flap surgery for a 25-31% increase in the rate of tooth movement requires careful consideration because flap elevation can produce alveolar bone loss. 81,93,94 However, if surgery is being performed for other purposes, the benefit of the increased rate of tooth movement due to flap elevation should be considered. For example, in cases of premolar extraction, the clinician might choose to elevate a flap at the time of extraction if orthodontic treatment is being initiated immediately.…”

Section: Discussionmentioning

confidence: 99%

Elevation of a full-thickness mucoperiosteal flap alone accelerates orthodontic tooth movement

Owen¹,

Campbell

Feng

et al. 2017

American Journal of Orthodontics and Dentofacial Orthopedics

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Section: Discussionmentioning

confidence: 99%

Elevation of a full-thickness mucoperiosteal flap alone accelerates orthodontic tooth movement

Owen¹,

Campbell

Feng

et al. 2017

American Journal of Orthodontics and Dentofacial Orthopedics

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“…In the case reports presented above, a minimally invasive flap was created to expose the surgical site and the root fragment during the subsequent implantation procedure (re-entry). To prevent further compromise of the blood supply to the vestibular bone, relief incisions were kept to a minimum [29]. Complete preservation of the buccal lamellar bone was observed intra-operatively in all three cases.…”

Section: Discussionmentioning

confidence: 99%

Ridge Preservation with Modified “Socket-Shield” Technique: A Methodological Case Series

2014

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After tooth extraction, the alveolar bone undergoes a remodeling process, which leads to horizontal and vertical bone loss. These resorption processes complicate dental rehabilitation, particularly in connection with implants. Various methods of guided bone regeneration (GBR) have been described to retain the original dimension of the bone after extraction. Most procedures use filler materials and membranes to support the buccal plate and soft tissue, to stabilize the coagulum and to prevent epithelial ingrowth. It has also been suggested that resorption of the buccal bundle bone can be avoided by leaving a buccal root segment (socket shield technique) in place, because the biological integrity of the buccal periodontium (bundle bone) remains untouched. This method has also been described in connection with immediate implant placement. The present case report describes three consecutive cases in which a modified method was applied as part of a delayed implantation. The latter was carried out after six months, and during re-entry the new bone formation in the alveolar bone and the residual ridge was clinically evaluated as proof of principle. It was demonstrated that the bone was clinically preserved with this method. Possibilities and limitations are discussed and directions for future research are disclosed.

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“…Since the alveolar bone resorption continues throughout life (Jahangiri et al, 1998), the longer the interval, the greater will be the amount of bone resorption. In addition, it was well established that the elevation of a full-thickness flap might cause crestal alveolar bone loss of about 0.6 mm (Wood et al, 1972), making tooth extraction no longer the sole factor causing alveolar bone resorption (Fickl et al, 2008). This might partially be the reason why studies using the method of flap elevation (Lekovic et al, 1998;Camargo et al, 2000) reported more resorption.…”

Section: Resultsmentioning

confidence: 99%

Contour changes in human alveolar bone following tooth extraction of the maxillary central incisor

Wang

2014

J. Zhejiang Univ. Sci. B

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Abstract:The purpose of this study was to apply cone-beam computed tomography (CBCT) to observe contour changes in human alveolar bone after tooth extraction of the maxillary central incisor and to provide original morphological evidence for aesthetic implant treatment in the maxillary anterior area. Forty patients were recruited into the study. Each patient had two CBCT scans (CBCT I and CBCT II), one taken before and one taken three months after tooth extraction of maxillary central incisor (test tooth T). A fixed anatomic reference point was used to orient the starting axial slice of the two scans. On three CBCT I axial slices, which represented the deep, middle, and shallow layers of the socket, labial and palatal alveolar bone widths of T were measured. The number of sagittal slices from the start point to the pulp centre of T was recorded. On three CBCT II axial slices, the pulp centres of extracted T were oriented according to the number of moved sagittal slices recorded in CBCT I. Labial and palatal alveolar bone widths at the oriented sites were measured. On the CBCT I axial slice which represented the middle layer of the socket, sagittal slices were reconstructed. Relevant distances of T on the sagittal slice were measured, as were the alveolar bone width and tooth length of the opposite central incisor. On the CBCT II axial slice, which represented the middle layer of the socket, relevant distances recorded in CBCT I were transferred on the sagittal slice. The height reduction of alveolar bone on labial and palatal sides was measured, as were the alveolar bone width and tooth length of the opposite central incisor at the oriented site. Intraobserver reliability assessed by intraclass correlation coefficients (ICCs) was high. Paired sample t-tests were performed. The alveolar bone width and tooth length of the opposite central incisor showed no statistical differences (P<0.05). The labial alveolar bone widths of T at the deep, middle, and shallow layers all showed statistical differences. However, no palatal alveolar bone widths showed any statistical differences. The width reduction of alveolar bone was 1.2, 1.6, and 2.7 mm at the deep, middle, and shallow layers, respectively. The height reduction of alveolar bone on labial and palatal sides of T both showed statistical differences, which was 1.9 and 1.1 mm, respectively.

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Alveolar Crest Reduction Following Full and Partial Thickness Flaps

Cited by 237 publications

References 6 publications

Elevation of a full-thickness mucoperiosteal flap alone accelerates orthodontic tooth movement

Elevation of a full-thickness mucoperiosteal flap alone accelerates orthodontic tooth movement

Ridge Preservation with Modified “Socket-Shield” Technique: A Methodological Case Series

Contour changes in human alveolar bone following tooth extraction of the maxillary central incisor

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