Prosthetically Driven Immediate Implant Placement at Lower Molar Area; an Anatomical Study

Overview

Journal Eur Oral Res

Specialty Dentistry

Date 2020 Jun 11

PMID 32518907

Citations 4

Authors

Sabit Demircan

Affiliations

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Abstract

Purpose: To examine the effectiveness and safety of immediate implant placement (IIP), we evaluated the risk of lingual plate perforation (LPP) and mandibular canal perforation (MCP) associated with posterior mandible anatomy using cone beam computed tomography (CBCT) images.

Materials And Methods: A morphological study of the molar sockets of 135 patients (age: 18-84 y) was done and its relationship to the mandibular canal was investigated. The risk of LPP and MCP was recorded as yes or no. Mandibular cross-sectional morphology was defined as one of three types (U-P-C) using the criteria of Chan et al.

Results: The risk of LPP was significantly higher for second molars (p = 0.0001), and the risk increased with age (p = 0.039). There was a strong relationship between the risk of LPP and cross-section type U (p = 0.0001). The mean root to alveolar canal (RAC) distance (mm) of males was significantly higher than that of females. The mean RAC value was 5.02 mm for males and 3.49 mm for females. There was no statistically significant relationship between the risk of MCP and sex. There was a significant relationship between the risk of MCP and cross-section type U (p = 0.0001). Although the MCP risk was higher in second molars, there was no statistically meaningful relation between MCP and tooth type.

Conclusion: The results suggest that IIP in the mandibular molar area carries a high risk of MCP and LPP. Based on the elevated level of risk, a delayed implant protocol should be considered.

Citing Articles

Effects of Crest Morphology on Lingual Concavity in Mandibular Molar Region: an Observational Study.

Cimen T, Asar N, Goyushov S, Duruel O, Tozum T J Oral Maxillofac Res. 2023; 14(1):e3.

PMID: 37180407 PMC: 10170663. DOI: 10.5037/jomr.2023.14103.

Long-term results of immediate implantation in mandibular posterior teeth with early loading: A retrospective case series.

Ayubianmarkazi N, Deporter D, Dastgurdi M, Akhondi N, Ketabi M Dent Res J (Isfahan). 2022; 19:66.

PMID: 36159059 PMC: 9490244.

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

Milenkovic J, Vasiljevic M, Jovicic N, Milovanovic D, Selakovic D, Rosic G Diagnostics (Basel). 2022; 12(6).

PMID: 35741242 PMC: 9221751. DOI: 10.3390/diagnostics12061432.

Three-dimensional alveolar bone assessment of mandibular molars for immediate implant placement: a virtual implant placement study.

Chen H, Wang W, Gu X BMC Oral Health. 2021; 21(1):478.

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