Anatomical and Radiologic Evaluation of the Dimensions of Upper Molar Alveoli

Agostinelli, Claudio; Agostinelli, Agnese; Berardini, Marco; Trisi, Paolo

doi:10.1097/id.0000000000000747

Cited by 5 publications

(10 citation statements)

References 17 publications

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“…Another important consideration when evaluating sites for an immediate implant is the buccal/lingual bone thickness. Thickness plays a significant role in bone fill after implant placement and affects bone resorption during the remodeling phase after extraction [ 23 ]. Thinner bone is affected by the interruption of blood supply during the surgical procedure.…”

Section: Discussionmentioning

confidence: 99%

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Cone-Beam Computed Tomography (CBCT)-Based Assessment of the Alveolar Bone Anatomy of the Maxillary and Mandibular Molars: Implication for Immediate Implant Placement

Aldahlawi,

Nourah,

Azab

et al. 2023

Cureus

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Purpose This study aims to examine specific aspects of socket morphology, including buccal and palatal/lingual bone width, interradicular bone (IRB) width, and assessments of root apices and furcation proximity to the vital structures of the maxillary and mandibular first and second molars using cone-beam computed tomography (CBCT). Materials and methods The study involved the analysis of 400 maxillary and mandibular first and second molars. Various measurements were taken to assess socket morphology, including mesiodistal (MD) and buccolingual (BL) width, buccal and lingual bone thickness at 2 mm apical to the alveolar crest, IRB width at 2 mm from the furcation, and the distance between the root apices and furcation to vital structures, such as the floor of the maxillary sinus (FMS) and inferior alveolar nerve (IAN). Results The mesiobuccal (MB) root of the second molar commonly intruded into the sinus, followed by the palatal root of the maxillary first molar. The mean FMS-F distance was 7.17 + 3.98 mm, and it was 7.2 + 2.72 mm for maxillary first and second molars, respectively. The mean IRB width was 2.77 + 0.96 and 2.29 + 0.74 mm for the first and second molars. The mandibular second molar had the shortest distance to the IAN in comparison to the first molar. For maxillary teeth, 7% of the first and 4% of the second molars presented alveolar anatomy adequate for immediate implant placement, compared to 84% and 50% of mandibular first and second molars. Conclusion Understanding the local alveolar bone anatomy of molars and its relationship to vital structures is crucial for the effective planning of implant treatments.

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Section: Discussionmentioning

confidence: 99%

“…In this study, most molars had a BBT of 1.5 mm or more [ 9 ]. However, some previous studies have reported different results [ 23 ]. Mesiodistal and buccopalatal socket measurements are critical for determining the future implant size [ 25 ].…”

Section: Discussionmentioning

confidence: 99%

Cone-Beam Computed Tomography (CBCT)-Based Assessment of the Alveolar Bone Anatomy of the Maxillary and Mandibular Molars: Implication for Immediate Implant Placement

Aldahlawi,

Nourah,

Azab

et al. 2023

Cureus

View full text Add to dashboard Cite

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“…The maxillary molars’ interradicular septum morphometric characteristics were evaluated according to the previously described methodology [ 8 , 20 ]. Namely, in the coronal plane, we performed linear measurements (in mm, except for the angle in °) from the CBCT images as follows ( Figure 1 a,b): IRS width at the A level (2 mm from the interradicular furcation); IRS width at the B level (midpoint of IRS height); IRS width at the C level (2 mm from the IRS base); IRS width at the D level (IRS base); IRS height—h (the distance between the interradicular furcation and IRS base); The distance between IRS base and sinus floor—H; Interradicular furcation angle.…”

Section: Methodsmentioning

confidence: 99%

“…From the aspect of implantology in this specific region, numerous potential implant sites were reported in the post-extractive alveoli structure [ 3 , 4 ]. However, according to the literature data, the interradicular septum (IRS) is usually considered to be the best fixture position from the prosthetic point of view [ 5 , 6 , 7 , 8 ]. As the IRS of the maxillary molars expresses significant morphometric variability (height and width [ 9 ]), preoperative radiological analyses are highly recommended [ 10 ].…”

Section: Introductionmentioning

confidence: 99%

Criteria for the Classification of the Interradicular Septum Shape in Maxillary Molars with Clinical Importance for Prosthetic-Driven Immediate Implant Placement

et al. 2022

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The aim of this study was to use cone-beam computed tomography (CBCT) to evaluate the morphometric properties of the interradicular septum (IRS) in the maxillary molar region that may be indicative for prosthetic-driven implant placement. Following the repetitive algorithm based on the visual identification of IRS shapes, we described the following IRS shapes: arrow, boat, drop, and palatal and buccal convergence. The incidence of IRS shapes showed significant differences for the first and second maxillary molars (the highest frequency for the arrow shape, and the lowest for the drop shape) with no significant difference between the molars. The most prominent width indicative for implant placement was observed in the palatal convergence shape, whereas the height criteria were the most satisfying in the buccal convergence-shaped IRS for both molars. Apart from the parameters in the coronal view, the image analysis in the axial view revealed that IRS surface area, required for the implant placement, was the most prominent in the palatal convergence shape for the first, and boat shape for the second molars. Our results showed the benefits of CBCT diagnostics in posterior maxilla morphometric analysis. IRS shape classification may be helpful in achieving more rapid and accurate planning for interventions in this region.

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“…Although the interradicular bone septum represents the ideal place for immediate implant placement in the posterior region [3], in some cases, insufficient interradicular bone septum dimensions could compromise implant placement procedures [4]. In order to achieve more successful implant therapy using the interradicular bone septum as the implant place, Agostinelli and coworkers [5] reported the importance of morphological characteristics of interradicular bone septum as the criteria determining the therapy.…”

Section: Introductionmentioning

confidence: 99%

Assessment of Maxillary Molars Interradicular Septum Morphological Characteristics as Criteria for Ideal Immediate Implant Placement—The Advantages of Cone Beam Computed Tomography Analysis

et al. 2022

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The aim of this study was to evaluate the interradicular septum bone morphometric characteristics using cone beam computed tomography (CBCT) images, as well as to establish quantitative shortcuts to allow clinicians to make a faster and more reliable plan for immediate implant placement in the maxillary molars area. This retrospective quantitative study was conducted on CBCT images obtained from 100 patients. The morphometric analysis of the maxillary molars region was based on the parameters obtained on the sagittal and axial slices. The analysis performed on sagittal slices showed that the first maxillary molars had a wider interradicular septum when compared to the second molars, but the septum height in the first molars was significantly below the height in the second maxillary molars. The axial CBCT slices analysis showed that both interradicular septum perimeter and surface area were significantly more pronounced in the first than in the second maxillary molars. The interradicular furcation angle significantly correlated with the surface area (positively) and septum height (negatively) for both molars. The results of this study may recommend CBCT image analysis as a useful tool in predefining the circumstances that can allow for substantially better planning of immediate implant placement procedures in the region of maxillary molars.

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Anatomical and Radiologic Evaluation of the Dimensions of Upper Molar Alveoli

Cited by 5 publications

References 17 publications

Cone-Beam Computed Tomography (CBCT)-Based Assessment of the Alveolar Bone Anatomy of the Maxillary and Mandibular Molars: Implication for Immediate Implant Placement

Cone-Beam Computed Tomography (CBCT)-Based Assessment of the Alveolar Bone Anatomy of the Maxillary and Mandibular Molars: Implication for Immediate Implant Placement

Criteria for the Classification of the Interradicular Septum Shape in Maxillary Molars with Clinical Importance for Prosthetic-Driven Immediate Implant Placement

Assessment of Maxillary Molars Interradicular Septum Morphological Characteristics as Criteria for Ideal Immediate Implant Placement—The Advantages of Cone Beam Computed Tomography Analysis

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