Maxillary bone characteristics between thick and thin gingival biotypes with dentoalveolar protrusion

Chanmanee, Pannapat; Charoemratrote, Chairat

doi:10.1016/j.ejwf.2019.02.002

Cited by 4 publications

(5 citation statements)

References 23 publications

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“…The palatal cortical bone was gradually thicker in the apical direction in both the Ceph and CBCT images, which was similar to previous literature [ 7 ]. The thicker palatal cortical bone of Ceph compared to the CBCT images was the result of greater magnification.…”

Section: Discussionsupporting

confidence: 91%

“…A comparison between U1CT and U2CT was to assess the initial bone between tooth types when four maxillary incisors are retracted or protracted. The measurements and comparisons of alveolar, cortical, and cancellous bone compositions between lateral cephalograms and CBCT images are important since the morphology of the supporting bone determines the boundary of maxillary incisor movement [ 7 ]. Moreover, the root diameter measurement was introduced in the present study since an error in root tracing could affect the adjacent bone measurements.…”

Section: Discussionmentioning

confidence: 99%

“…Nowadays, cone beam computed tomography (CBCT) is recommended to evaluate the teeth, roots, and alveolar bone structures in three dimensions because of its high accuracy and reliability [ 6 ]. Several studies showed excellent resolution of CBCT images to define the boundary and composition of alveolar, cortical, and cancellous bone [ 7 , 8 , 9 ]. Unfortunately, CBCT is not used routinely in orthodontic treatment due to its high radiation dose and costs compared to conventional radiographs.…”

Section: Introductionmentioning

confidence: 99%

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The Accuracy of Lateral Cephalogram in Representing the Anterior Maxillary Dentoalveolar Position

2022

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Background: To evaluate the dentoalveolar position and root diameters of the maxillary incisors from cone beam computed tomograms (CBCT) compared with cephalometric tracings. Methods: A total of 64 sets of initial lateral cephalograms and CBCT images were enrolled. Measurements of dentoalveolar position included bone thicknesses and heights of alveolar, cortical, and cancellous bone. Root diameter and total root-bone thickness were also evaluated. All measurements were performed on cephalograms and CBCT images of the maxillary central incisor (U1CT) and maxillary lateral incisor (U2CT). The data were statistically analyzed using one-way ANOVA and Bonferroni tests (p < 0.01) to compare the cephalograms, U1CT, and U2CT. Results: The cephalograms presented thicker alveolar bone (labial: 0.20–0.67 mm, palatal: 0.41–0.60 mm; p < 0.001) and cortical bone (labial: 0.20–0.67 mm, palatal: 0.41–0.52 mm; p < 0.001) as well as higher alveolar crest (labial: 0.23–0.27 mm, palatal: 0.15–0.17 mm; p < 0.001) and cortical height (labial: 0.35–0.47 mm; p = 0.051, palatal: 0.14–0.18 mm; p < 0.001) than the CBCT images on both the labial and palatal sides, whereas palatal cancellous thickness was not significantly greater (p > 0.01). The cephalograms presented a greater total root-bone thicknesses (0.80–1.08 mm; p < 0.001), whereas the cephalograms traced thinner roots than the CBCT images (0.36–0.52 mm; p < 0.01). Conclusion: Routine lateral cephalograms are not suitable for alveolar bone evaluation in orthodontic treatment due to errors in representing dentoalveolar thicknesses and heights.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The Accuracy of Lateral Cephalogram in Representing the Anterior Maxillary Dentoalveolar Position

2022

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“…The study is a retrospective study that recruited patients from two sources. The first source included subjects who participated in past research [ 13 , 16 , 17 ]. The second source included patients who required both types of radiographs for treatment planning.…”

Section: Methodsmentioning

confidence: 99%

The Accuracy of Lateral Cephalogram for Measuring Alveolar Bone Thickness and Root Diameter on Mandibular Incisors

Limsakul,

Chanmanee,

Charoemratrote

2022

Diagnostics

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Background: The objective of the study was to ascertain whether the alveolar bone and root of the mandibular central incisor measured from cephalograms can represent the same measurements of both mandibular central and lateral incisors from CBCT. Methods: A total of 38 sets of CBCT images and cephalograms before treatment were selected for this study. Thicknesses included alveolar bone, cortical bone, and cancellous bone at the labial and lingual sides. Root diameter and total root-bone thickness were also evaluated. The measurements were performed at 3, 6, and 9 mm from the cemento-enamel junction. Heights included labial bone height and lingual bone height. All measurements were performed on cephalograms and CBCT images of the mandibular central incisor (L1CT) and mandibular lateral incisor (L2CT). The data were statistically analyzed using one-way ANOVA and Bonferroni tests (p < 0.01) to compare the cephalograms, L1CT, and L2CT. Results: The cephalograms presented thicker alveolar bone and cortical bone (labial: 0.16–0.31 mm, lingual: 0.14–0.29 mm; p < 0.001) as well as higher alveolar crest (labial: 0.46–0.48 mm, lingual: 0.38–0.39 mm; p < 0.001) than the CBCT images on both the labial and lingual sides, whereas lingual cancellous thicknesses were not significantly different (p = 0.257). The cephalograms presented greater total root-bone thicknesses than L1CT (0.19–0.30 mm; p < 0.001), whereas the cephalograms traced thinner roots than L1CT (0.18–0.23 mm; p < 0.001) and L2CT (0.39–0.59 mm; p < 0.001). Conclusion: Lateral cephalograms cannot represent both mandibular central and lateral incisor dentoalveolar thicknesses, heights, and root diameters the same as CBCT. However, the differences were less than 0.5 mm.

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“…For the implant of maxillary anterior teeth, because it is located in the red aesthetic area, the thick biological gingiva can not only maintain the health of surrounding tissues, but also form enough peri implant "Biological width", and the amount of gingival retraction after surgery is less, which can reduce the occurrence of "black triangle" of gingiva in anterior teeth area. Therefore, if the gingiva is too thin before planting, soft tissue transplantation should be performed to thicken the gingiva [28] .…”

Section: Application In Plantingmentioning

confidence: 99%

Measurement and clinical significance of gingival biotype in anterior teeth

2020

j. of integr. med.

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Abstract:The morphological characteristics of periodontal tissue and tooth tissue in gingival biotype are one of the indicators reflecting the individual differences of periodontal tissue in patients. Gingival biotypes of anterior teeth are often related to the prognosis of smile aesthetic treatment, which is one of the reference indexes for predicting the success rate of aesthetic treatment such as restoration, implant, periodontal, orthodontic and so on. Gingival biotypes have individual differences, so different gingival biotypes have different responses to different external stimuli. In the current clinical work, the correct evaluation of gingival biotype, especially the accurate measurement of gingival thickness, is the basis of reasonable choice of treatment and prognosis evaluation.

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Maxillary bone characteristics between thick and thin gingival biotypes with dentoalveolar protrusion

Cited by 4 publications

References 23 publications

The Accuracy of Lateral Cephalogram in Representing the Anterior Maxillary Dentoalveolar Position

The Accuracy of Lateral Cephalogram in Representing the Anterior Maxillary Dentoalveolar Position

The Accuracy of Lateral Cephalogram for Measuring Alveolar Bone Thickness and Root Diameter on Mandibular Incisors

Measurement and clinical significance of gingival biotype in anterior teeth

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