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Red fluorescence for assessing longitudinal tooth fractures

Authors
 Hye-Min Ku  ;  Euiseong Kim  ;  Baek-Il Kim 
Citation
 PHOTODIAGNOSIS AND PHOTODYNAMIC THERAPY, Vol.38 : 102845, 2022-06 
Journal Title
PHOTODIAGNOSIS AND PHOTODYNAMIC THERAPY
ISSN
 1572-1000 
Issue Date
2022-06
MeSH
Alveolar Bone Loss* ; Cracked Tooth Syndrome* ; Fluorescence ; Humans ; Photochemotherapy* / methods ; Tooth Extraction ; Tooth Fractures* / diagnostic imaging ; Tooth Root
Keywords
Autofluorescence ; Bacteria ; Cracked tooth ; Longitudinal tooth fracture ; Split tooth ; Vertical root fracture.
Abstract
Background: This study was designed to determine whether autofluorescence emitted from longitudinal tooth fractures (LTFs) differs between fracture types, with the aim of determining which clinical factors are related to red fluorescence at the fracture line.

Methods: Thirty-three extracted teeth were classified into cracked teeth, split teeth, and root fractures using LTF types according to the American Association of Endodontists classification. The types of LTFs were identified using an operating microscope. LTF autofluorescence was captured using a fluorescence technique. Clinical examinations were performed using the preoperative factors from clinical and radiographic findings.

Results: Red fluorescence was identified in 82% and 83% of cracked and split teeth, respectively. None of the vertical root fractures exhibited red fluorescence (p<0.001). When red fluorescence was identified on the outer tooth surface, it penetrated into the crack line, but fluorescence that was not red at the tooth surface did not penetrate the fracture line. Among the examined preoperative clinical factors, differences between the presence and absence of red fluorescence were identified for sinus tract formation (p = 0.021), and radiographic features (p = 0.027). Regression analysis revealed a significant factor related to the red fluorescence, with sinus tract formation having a negative effect on red fluorescence (odds ratio [OR]=0.09). The presence of comprehensive periradicular lesions in radiography had a positive effect on red fluorescence (OR=5.04).

Conclusions: Cracks originating from tooth crowns in certain types of LTFs were associated with red fluorescence, and cracks with red fluorescence were associated with extensive periodontal bone resorption around the teeth roots.
Full Text
https://www.sciencedirect.com/science/article/pii/S157210002200134X?via%3Dihub
DOI
10.1016/j.pdpdt.2022.102845
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Conservative Dentistry (보존과학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Preventive Dentistry and Public Oral Health (예방치과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Baek Il(김백일) ORCID logo https://orcid.org/0000-0001-8234-2327
Kim, Eui Seong(김의성) ORCID logo https://orcid.org/0000-0003-2126-4761
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/188854
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