Department of Oral and Maxillofacial Surgery, University Medical Center Goettingen, Robert-Koch Str. 40, D-37075, Goettingen, Germany.
Department of Orthodontics, University Medical Center Goettingen, Goettingen, Germany.
BMC Oral Health. 2022 Jul 30;22(1):318. doi: 10.1186/s12903-022-02344-6.
To test the hypothesis that cephalometric parameters in two-dimensional routine dental radiographs correlate with the bone volume of intraoral bone donor sites.
One-hundred and eight radiographs [36 panoramic radiographs (PRs), 36 lateral cephalometric radiographs (LCRs), and 36 cone-beam computed tomography scans (CBCT)] of 36 patients (all three imaging techniques applied according to the needs of treatment planning), were analyzed individually. Cephalometric parameters (PR and LCR) were correlated with the bone volume measurement in three-dimensional CBCT scans in three intraoral donor sites (chin, mandibular retromolar region, and zygomatic alveolar crest).
The mean bone volumes measured for the chin were (3.10 ± 1.11 cm³ SD), the mandibular retromolar region (1.66 ± 0.54 cm³ SD), and the zygomatic alveolar crest (0.17 ± 0.04 cm³ SD). Cephalometric parameters were significantly correlated (all p-values < 0.05) with the bone volume in the chin and the mandibular retromolar region. The bone volume of the zygomatic alveolar crest exhibited no correlations (p > 0.05) with cephalometric parameters. However, it was significantly correlated (p < 0.01) with the mandibular retromolar bone volume. No gender-specific differences (p > 0.05) were observed concerning bone volumes in all bone harvesting regions. Nevertheless, the male population's interforaminal distance in the chin region was significantly higher (p = 0.001).
PRs and LCRs can be used at the initial stage of peri-implant augmentation planning to deduce conclusions about the bone volume in different intraoral bone donor sites. It can help describe indications and justify additional diagnostic options, such as three-dimensional radiologic techniques.
测试以下假设，即二维常规口腔放射影像中的头影测量参数与口腔内骨供区的骨量相关。
对 36 名患者的 108 张放射影像（36 张全景放射影像（PR）、36 张侧位头颅测量放射影像（LCR）和 36 张锥形束 CT 扫描（CBCT））进行了个体分析。头影测量参数（PR 和 LCR）与三个口腔供区（颏部、下颌磨牙后区和颧骨牙槽嵴）的三维 CBCT 扫描中的骨量测量值相关。
颏部的平均骨量为（3.10±1.11cm³ SD），下颌磨牙后区为（1.66±0.54cm³ SD），颧骨牙槽嵴为（0.17±0.04cm³ SD）。头影测量参数与颏部和下颌磨牙后区的骨量显著相关（所有 p 值均<0.05）。颧骨牙槽嵴的骨量与头影测量参数无相关性（p>0.05），但与下颌磨牙后区的骨量显著相关（p<0.01）。在所有骨采集区域中，性别之间的骨量无差异（p>0.05）。然而，男性颏部的下颌间距离明显更高（p=0.001）。
PR 和 LCR 可在种植体周围骨增量规划的初始阶段使用，以推断不同口腔内骨供区的骨量。它可以帮助描述适应证并证明其他诊断选择的合理性，例如三维放射技术。
