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提出用于确定髁突侧向运动引导的修订版哈瑙公式：一项比较研究。

Proposing a revised Hanau's formula for determining lateral condylar guidance: A comparative study.

作者信息

Palaskar Jayant N, Hindocha Amit D, Jadhav Prashant D, Hasabnis Pooja P

机构信息

Department of Prosthodontics, Sinhgad Dental College and Hospital, Pune, India.

出版信息

J Oral Biol Craniofac Res. 2025 Nov-Dec;15(6):1291-1296. doi: 10.1016/j.jobcr.2025.08.014. Epub 2025 Aug 16.

DOI:10.1016/j.jobcr.2025.08.014
PMID:40895265
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12390920/
Abstract

BACKGROUND

Inaccurate lateral condylar guidance (LCG) recordings lead to occlusal interferences, increasing patient discomfort and chair-side time. This study aimed to assess and compare the accuracy of LCG calculated using Hanau's formula and right and left lateral records. It also seeks to provide a new formula for calculating LCG.

MATERIALS AND METHODS

An in-vivo, observational, cross-sectional study was conducted with hundred and sixty readings from twenty patients, divided into four groups (forty readings per group): Group A (control)- 2 frontal cephalograms (1st-maximum intercuspation and 2nd-5 mm lateral excursion), Group B- lateral records, Group C- Hanau's formula, and Group D-the new formula. Horizontal condylar guidance (HCG) values from protrusive records were used in Hanau's formula to calculate LCG. LCG values were also obtained from lateral records, frontal cephalograms (taken with lateral jigs), and the new formula. These values were tabulated and statistically evaluated using One-way ANOVA for group comparisons, Tukey's post hoc test for pairwise comparisons, and Shapiro-Wilk test for data normality.

RESULTS

The mean LCG values for Group B were 32.3 (right) and 30.8 (left), and for Group D were 31.15 (right) and 31.75 (left), comparable to Group A of 33.17 (right) and 33.69 (left). The mean LCG values for Groups C were 15.33 (right) and 15.41 (left) and were found to be statistically significant with Group A.

CONCLUSION

LCG values obtained using the new proposed formula are closer to control values, making it a viable alternative to interocclusal records and more accurate than Hanau's formula.

摘要

背景

髁突侧向引导（LCG）记录不准确会导致咬合干扰，增加患者不适和椅旁时间。本研究旨在评估和比较使用哈瑙公式计算的LCG与左右侧向记录的准确性。它还试图提供一种计算LCG的新公式。

材料与方法

对20名患者进行了160次读数的体内观察性横断面研究，分为四组（每组40次读数）：A组（对照组）-2张正面头颅侧位片（第一次-最大牙尖交错位和第二次-5毫米侧向运动），B组-侧向记录，C组-哈瑙公式，D组-新公式。哈瑙公式中使用前伸记录的水平髁突引导（HCG）值来计算LCG。LCG值也从侧向记录、正面头颅侧位片（使用侧向定位器拍摄）和新公式中获得。将这些值制成表格，并使用单因素方差分析进行组间比较、Tukey事后检验进行两两比较以及Shapiro-Wilk检验进行数据正态性统计评估。

结果

B组的平均LCG值右侧为32.3，左侧为30.8；D组右侧为31.15，左侧为31.75，与A组右侧33.17和左侧33.69相当。C组的平均LCG值右侧为15.33，左侧为15.41，与A组相比具有统计学意义。

结论

使用新提出的公式获得的LCG值更接近对照值，使其成为咬合记录的可行替代方法，并且比哈瑙公式更准确。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9619/12390920/51fb10fb5c12/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9619/12390920/4e8fe8e1bb3f/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9619/12390920/b8226482b2c1/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9619/12390920/5a1dfcbdb8ea/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9619/12390920/57c3d1bdfbbc/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9619/12390920/64a7678858b1/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9619/12390920/51fb10fb5c12/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9619/12390920/4e8fe8e1bb3f/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9619/12390920/b8226482b2c1/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9619/12390920/5a1dfcbdb8ea/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9619/12390920/57c3d1bdfbbc/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9619/12390920/64a7678858b1/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9619/12390920/51fb10fb5c12/gr6.jpg

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A Comparative Evaluation of Lateral Condylar Guidance by Clinical and Radiographic Methods - Hanau's Formula Revisited.通过临床和影像学方法对外侧髁导斜度的比较评估——再探哈瑙公式
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