Three‐dimensional analysis of bone remodeling following ridge augmentation of compromised extraction sockets in periodontitis patients: A randomized controlled study

Aimetti, Mario; Manavella, Valeria; Corano, Lisa; Ercoli, Elena; Bignardi, Cristina; Romano, Federica

doi:10.1111/clr.13099

Cited by 49 publications

(101 citation statements)

References 71 publications

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“…An important finding was that advanced radiographic bone loss (i.e. ≥75% of the tooth support) at the time‐point of extraction was associated with delayed healing/cortication, thus corroborating the findings made by others (Ahn & Shin, ; Aimetti et al., ).…”

Section: Bone Healing In Extraction Socketssupporting

confidence: 87%

“…The great potential of socket shrinkage at sites with advanced periodontitis is also supported by the findings of a randomized controlled clinical study where linear and volumetric measurements on superimposed three‐dimensional cone beam computed tomography (CBCT) images obtained after tooth extraction and 12 months later were made (Aimetti et al., ). A statistically significant horizontal width reduction from baseline to the 12‐month follow‐up measured 3.83 ± 1.49 mm and was more pronounced in the cervical alveolar region (e.g.…”

Section: Bone Healing In Extraction Socketsmentioning

confidence: 96%

“…A statistically significant horizontal width reduction from baseline to the 12‐month follow‐up measured 3.83 ± 1.49 mm and was more pronounced in the cervical alveolar region (e.g. 4.92 ± 2.45 mm) (Aimetti et al., ).…”

Section: Bone Healing In Extraction Socketsmentioning

confidence: 99%

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Self‐regenerative capacity of intra‐oral bone defects

Sculean

Stavropoulos

Bosshardt

2019

J Clinic Periodontology

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Objective To provide an overview on the self‐regenerative capacity of various types of intra‐oral bone defects. Materials and Methods This paper has narratively reviewed the most important aspects of bone biology and the healing outcomes related to the self‐regenerative capacity (i.e. without the placement of any biomaterial) of bone defects that occur following tooth extraction, autogenous graft harvesting, periapical lesions, cystic lesions of the jaws, third molar extraction and experimentally created ridge defects. Results In animals (i.e. dogs and monkeys), the greatest changes in horizontal and vertical dimension occur during the first 6 months following tooth extraction. In humans, bone remodelling may take from several months to years and exhibits marked inter‐individual variability. Following tooth extraction at compromised sites (e.g. presence of severe bone loss at the time‐point of extraction), the healing may occur slower and a substantial volume reduction can be expected than following tooth extraction at non‐compromised sites. In the mandibular symphysis and ramus, the bone defects resulting following bone block harvesting are gradually healing to a large extent, but complete healing appears not to occur due to poorer space provision and wound stability capacities. Defects after peri‐apical surgery display a substantial self‐regenerative capacity and heal at a great extent without the use of any adjunct measures. The vast majority of jawbone defects after cystectomy heal at a great extent and without apparent influence in the shape of the jaw, without the need of adjunct measures. After surgical removal of mandibular third molars, bone fill can be observed over a period of at least 12 months, with the most substantial change (e.g. the greatest bone fill) occurring during the first 3 months after surgery. However, complete fill of these residual bone defects does not always occur. Conclusions Intra‐oral bone defects possess a high self‐regenerative capacity. Factors such as extent of bone loss, presence of bony walls, closed healing environment, space provision and mechanical wound stability substantially influence healing/regeneration.

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Section: Bone Healing In Extraction Socketssupporting

confidence: 87%

Section: Bone Healing In Extraction Socketsmentioning

confidence: 96%

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Self‐regenerative capacity of intra‐oral bone defects

Sculean

Stavropoulos

Bosshardt

2019

J Clinic Periodontology

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“…In metric dimensions, ridge preservation procedures are shown to decrease the alveolar ridge resorption in horizontal and vertical dimensions by 1 mm, on average . Although bone resorption can be decreased, it cannot be completely diminished . Furthermore, ridge preservation procedures are reported to improve esthetical outcomes .…”

Section: Introductionmentioning

confidence: 99%

“…8 Although bone resorption can be decreased, it cannot be completely diminished. [8][9][10][11] Furthermore, ridge preservation procedures are reported to improve esthetical outcomes. 9,[12][13][14][15] In a long-term analysis over 10 years the effectiveness of ridge preservation was shown.…”

Section: Introductionmentioning

confidence: 99%

Single tooth implants in the esthetic zone following a two‐stage all flapless approach: A retrospective analysis

Hingsammer

Pommer

Fürhauser

et al. 2018

Clin Implant Dent Rel Res

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Background Due to chronic inflammation or trauma facial bone is frequently missing after tooth loss in the esthetic zone. As a consequence, procedures to augment or at least to preserve bone are frequently necessary prior to implant placement. Purpose The aim of this retrospective case series is to demonstrate the applicability of a staged all‐flapless concept to establish satisfactory implant restorations following situations of partial missing facial bone in the esthetic zone. Materials and Methods Radiological/clinical data of 25 patients were analyzed and an esthetic evaluation of 24 patients was performed. The staged concept included ridge preservation at time of tooth extraction and delayed guided implant placement. Marginal bone loss was measured radiologically and esthetic evaluation was performed based on standardized photographs using the Pink Esthetic Score as well as the Papilla Index. Results Implant success rate revealed 100%. The mean radiological peri‐implant marginal bone loss measured 1.16 mm (SD: 0.16). Regarding the esthetic outcome 71% of patients were evaluated with a Pink Esthetic Score higher or equal to 10 constituting satisfactory esthetics (median pink esthetic score: 10). The mean follow‐up time for clinical and radiographic analysis was 1.3 years (SD: 0.6 years) and 1.2 years (SD: 0.6) for esthetic evaluation. Conclusion Although marginal bone loss cannot be avoided, the staged concept of flapless ridge preservation and subsequent delayed flapless guided implant placement carries the potential to improve esthetics of single‐tooth implants in the anterior maxilla.

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