Bone healing dynamics at buccal peri‐implant sites

Qahash, Mohammed; Susin, Cristiano; Polimeni, Giuseppe; Hall, Jan; Wikesjö, Ulf M.E.

doi:10.1111/j.1600-0501.2007.01428.x

Cited by 120 publications

(121 citation statements)

References 20 publications

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“…Post-extraction resorption of the buccal wall was recognized as inevitable in cases of the immediate placement of implants [6782526]. Our results confirmed, in control sites, that immediate implant placement did not avoid post-extraction resorption, regardless of the alveolar bone height, which is in agreement with the current literature [6782021]. At 3 months, dimensional changes of the socket were most pronounced on the buccal side, and greater in magnitude than has been reported in other studies.…”

Section: Discussionsupporting

confidence: 91%

“…A study showed that the buccal wall must have an original width of 2 mm to avoid loss of bone height. In addition to the importance of the thickness of the alveolar buccal wall, the space between the implant and socket is also involved in the phenomenon of bone reduction [21]. Indeed, the diameter of a dental root is often larger than the implant.…”

Section: Discussionmentioning

confidence: 99%

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Benefits of mineralized bone cortical allograft for immediate implant placement in extraction sites: anin vivostudy in dogs

Orti

Bousquet

Tramini

et al. 2016

J Periodontal Implant Sci

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PurposeThe aim of the present study was to evaluate the effectiveness of using a mineralized bone cortical allograft (MBCA), with or without a resorbable collagenous membrane derived from bovine pericardium, on alveolar bone remodeling after immediate implant placement in a dog model.MethodsSix mongrel dogs were included. The test and control sites were randomly selected. Four biradicular premolars were extracted from the mandible. In control sites, implants without an allograft or membrane were placed immediately in the fresh extraction sockets. In the test sites, an MBCA was placed to fill the gap between the bone socket wall and implant, with or without a resorbable collagenous membrane. Specimens were collected after 1 and 3 months. The amount of residual particles and new bone quality were evaluated by histomorphometry.ResultsFew residual graft particles were observed to be closely embedded in the new bone without any contact with the implant surface. The allograft combined with a resorbable collagen membrane limited the resorption of the buccal wall in height and width. The histological quality of the new bone was equivalent to that of the original bone. The MBCA improved the quality of new bone formation, with few residual particles observed at 3 months.ConclusionsThe preliminary results of this animal study indicate a real benefit in obtaining new bone as well as in enhancing osseointegration due to the high resorbability of cortical allograft particles, in comparison to the results of xenografts or other biomaterials (mineralized or demineralized cancellous allografts) that have been presented in the literature. Furthermore, the use of an MBCA combined with a collagen membrane in extraction and immediate implant placement limited the extent of post-extraction resorption.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Benefits of mineralized bone cortical allograft for immediate implant placement in extraction sites: anin vivostudy in dogs

Orti

Bousquet

Tramini

et al. 2016

J Periodontal Implant Sci

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show abstract

“…The maintenance of facial bone architecture has been related to a facial bone wall thickness of 2 mm in an experimental dog study (Qahash et al, 2008). In the anterior maxilla, the facial bone wall is usually thinner than 2 mm, as demonstrated in several CBCT studies (Braut et al, 2011;Januario et al, 2011;Vera et al, 2012b).…”

Section: Discussionmentioning

confidence: 99%

Ridge Alterations Post-extraction in the Esthetic Zone

et al. 2013

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“…Since placing IMIs does not eliminate post-extraction alveolar ridge remodeling [37,38], it is recommended that IMIs be submerged by up to 2 mm on the buccal aspect to compensate for the expected buccal crestal bone loss [29,33,39]. This is particularly important if the thickness of the buccal wall is <2 mm [40,41]. Huang, et al [42] compared implants placed at the level of the bone crest to those submerged by 1.5 mm in dogs, and found the latter to have better crestal bone preservation in relation to the implant neck after 4 months in function.…”

Section: Managing Socket Anatomymentioning

confidence: 99%

Guidelines for Optimizing Outcomes with Immediate Molar Implant Placement

Deporter¹

2017

Austin J Dent

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This paper is a follow-up to a recent systematic literature review with metaanalysis of outcomes when using immediate molar implants (IMIs). An attempt has been made to offer guidelines to assist clinicians in their successful use of this treatment approach. The surgeon's ability, proper case selection, socket anatomy, and specific modifications in osteotomy preparation all are crucial in avoiding errors, complications and implant failure. While long-term data are sparse, IMIs appear to be a viable treatment option if the offered guidelines are strictly followed.Keywords: Tooth extraction; Dental implantation; Endosseous; Guided tissue regeneration IntroductionWe have recently published a systematic review and metaanalysis of literature published from November 2008 to May 2015 reporting outcomes following immediate molar dental implant (IMI) placement [1]. The search format was that recommended by the Academy of Osseointegration Workshop on the State of Science on Implant Dentistry (SSID) [2,3]. The search language used was similar to that employed in a previous review conducted by others on IMI data up to October 2008 [4]. Criteria for qualification of studies to be included in the analysis were: i) at least 10 IMIs; ii) minimum followup 1 year in function; iii) clearly reported/interpretable survival and/or success (based on crestal bone loss) data; and iv) use of rootform, solid, titanium or titanium alloy implants. Fifteen publications fulfilling these criteria were identified, none of which were doubleblind, randomized, controlled prospective clinical trials. Recognizing this limitation, our analysis supported Atieh's earlier conclusion [4] that it is possible to obtain good outcomes with IMIs with the added proviso that those of diameters >6 mm may be at greater risk of failure.There are obvious advantages for patients and clinicians in providing immediate implant replacement of molar teeth. These include fewer and potentially less invasive surgical procedures, greater patient acceptance, less chair time, lower treatment fees, shorter treatment times, and potentially fewer risks. The clinician needs to be aware, however, that achieving success with IMIs is affected by many factors. In the present paper, we have attempted to formulate guidelines for the successful use of IMIs. Considerations will include case selection, reason for extraction, quality and quantity of keratinized tissue, socket anatomy and how it impacts osteotomy preparation, implant design, and initial implant stability. Discussion Case selectionAs with all technique-sensitive surgical procedures, not all clinicians will be capable of successfully employing IMI procedures because of infrequent usage of the procedure, failure to follow

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Bone healing dynamics at buccal peri‐implant sites

Cited by 120 publications

References 20 publications

Benefits of mineralized bone cortical allograft for immediate implant placement in extraction sites: anin vivostudy in dogs

Benefits of mineralized bone cortical allograft for immediate implant placement in extraction sites: anin vivostudy in dogs

Ridge Alterations Post-extraction in the Esthetic Zone

Guidelines for Optimizing Outcomes with Immediate Molar Implant Placement

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