Radiological Infrabony Defects After Impacted Mandibular Third Molar Extractions in Young Adults

Faria, Ana Inocêncio; Torreira, Mercedes Gallas; López-Ratón, Mónica; Crespo-Vázquez, Elvira; Rodríguez-Núñez, Ignacio; López-Castro, Gonzalo

doi:10.1016/j.joms.2013.07.029

Cited by 14 publications

(20 citation statements)

References 29 publications

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“…In contrast Kugelberg et al proved in adolescents and adults, that the removal of impacted M3 has a beneficial effect on periodontal health (attachment and bone height) distal of M2 when there was a large angulation and close positional relationship of M3 to M2 (Kugelberg et al 1991a). These results are confirmed by Inocencio Faria et al who have shown a clinically and statistically significant bone healing 12 months after impacted mandibular M3 surgery (Inocencio Faria et al 2013). It can be considered that the surgical removal of M3 occurs with changes in alveolar bone height distal to the distal part of M2.…”

Section: Discussionsupporting

confidence: 70%

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Surgical removal of third molars and periodontal tissues of adjacent second molars

Petsos

Korte²,

Eickholz

et al. 2016

J Clinic Periodontology

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Section: Discussionsupporting

confidence: 70%

“…who have shown a clinically and statistically significant bone healing 12 months after impacted mandibular M3 surgery (Inocencio Faria et al. ). It can be considered that the surgical removal of M3 occurs with changes in alveolar bone height distal to the distal part of M2.…”

Section: Discussionmentioning

confidence: 99%

Surgical removal of third molars and periodontal tissues of adjacent second molars

Petsos

Korte²,

Eickholz

et al. 2016

J Clinic Periodontology

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show abstract

“…The limited data suggest that following 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. most bone fill) occurring during the first 3 months after surgery (Inocêncio Faria et al., ). In a prospective clinical study including a total 26 extracted teeth, mean radiographic intra‐bony defect depth measured at baseline (e.g.…”

Section: Healing Of Bone Defects After Third Molar Extractionmentioning

confidence: 99%

“…In a prospective clinical study including a total 26 extracted teeth, mean radiographic intra‐bony defect depth measured at baseline (e.g. immediately after third molar removal) 4.54 ± 1.87 mm and decreased to 1.78 ± 1.65 mm at 12 months, respectively (Inocêncio Faria et al., ). Bone healing was observed during the entire post‐operative period of 12 months, but the highest values occurred during the first 3 months amounting to 1.3 mm.…”

Section: Healing Of Bone Defects After Third Molar Extractionmentioning

confidence: 99%

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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“…Most studies have claimed that a DBD of the M2M remains unchanged or improves [5][6][7] but several other studies have suggested that this condition worsens after M3M surgery [8]. The reason for this difference could be because of an unsatisfactory design of the clinical study [9,10] and/or limitations in periodontal-probing factors (pocket depth and attachment loss).…”

mentioning

confidence: 99%

Computer-aided three-dimensional assessment of periodontal healing distal to the mandibular second molar after coronectomy of the mandibular third molar: a prospective study

Yan

Tan

Xie

et al. 2020

Preprint

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Background The periodontal healing distal to the mandibular second molar (M2M) after coronectomy of the M3M was controversary. This study aimed to combine a digital method with cone-beam computed tomography (CBCT) and estimate periodontal healing of M2M after M3M coronectomy. An accurate and stable indicator in three dimensions was also tentatively explored. Methods Patients with a M3M in contact with the inferior alveolar canal were included. CBCT was applied immediately after coronectomy (baseline) and 6-months later. Data were investigated with digital software for registration. Previously reported and coronectomy-related factors were included for univariate and multivariate analyses. Results A total of 181 patients (213 M3Ms) completed 6-month follow-up. Significant reduction in the distal intra-bony defect (DBD) depth of the M2M was shown (1.28 ± 1.24 mm, P < 0.001). DBD depth of the M2M at baseline was the most influential factor (r = 0.59), followed by preoperative M3M condition, age, rotation and eruption of the root complex. Remaining enamel (OR = 6.93) and small retromolar space (0.67) contributed to re-contact of the root complex and M2M. Bone volume regenerated in the distal 2 mm was associated significantly with DBD-depth reduction (r = 0.74, P < 0.001). Conclusions Bone volume regenerated in the distal 2 mm of the M2M denoted stability of distal periodontal healing of the M2M. DBD depth at baseline was the most influential factor for healing of a DBD of the M2M after M3M coronectomy. The remaining enamel and a small retromolar space could contribute to re-contact of the root complex and the M2M. Trial registration: China Clinical Trial Center, ChiCTR1800014862. Registered 10 February 2018, http://www.chictr.org.cn/showproj.aspx?proj=24216

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Radiological Infrabony Defects After Impacted Mandibular Third Molar Extractions in Young Adults

Cited by 14 publications

References 29 publications

Surgical removal of third molars and periodontal tissues of adjacent second molars

Surgical removal of third molars and periodontal tissues of adjacent second molars

Self‐regenerative capacity of intra‐oral bone defects

Computer-aided three-dimensional assessment of periodontal healing distal to the mandibular second molar after coronectomy of the mandibular third molar: a prospective study

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