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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치주과학회 Journal of Periodontal & Implant Science Journal of Periodontal & Implant Science 제50권 제1호
- 발행연도
- 2020.1
- 수록면
- 28 - 37 (10page)
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초록· 키워드
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Purpose: The aim of our study was to determine the prevalence and degree of lingual concavities in the first molar region of the mandible to reduce the risk of perforating the lingual cortical bone during dental implant insertion. Methods: A total of 163 suitable cross-sectional cone-beam computed tomography images of edentulous mandibular first molar regions were evaluated. The mandibular morphology was classified as a U-configuration (undercut), a P-configuration (parallel), or a C-configuration (convex), depending on the shape of the alveolar ridge. The characteristics of lingual concavities, including their depth, angle, vertical location, and additional parameters, were measured. Results: Lingual undercuts had a prevalence of 32.5% in the first molar region. The mean concavity angle was 63.34°±8.26°, and the mean linear concavity depth (LCD) was 3.03±0.99 mm. The mean vertical distances of point P from the alveolar crest (Vc) and from the inferior mandibular border were 9.39±3.39 and 16.25±2.44, respectively. Men displayed a larger vertical height from the alveolar crest to 2 mm coronal to the inferior alveolar nerve (Vcb) and a wider LCD than women ( P <0.05). Negative correlations were found between age and buccolingual width at 2 mm apical to the alveolar crest, between age and Vcb, between age and Vc, and between age and LCD ( P <0.05). Conclusions: The prevalence of lingual concavities was 32.5% in this study. Age and gender had statistically significant effects on the lingual morphology. The risk of lingual perforation was higher in young men than in the other groups analyzed.
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참고문헌 (29)
참고문헌 신청
Rajput BS / 2018 / Assessment of lingual concavities in submandibular fossa region in patients requiring dental implants-A cone beam computed tomography study / J Contemp Dent Pract 19:1329~1333
Panjnoush M / 2016 / Evaluation of the concavity depth and inclination in jaws using CBCT / Caspian J Dent Res 5:17~23
Kalpidis CD / 2005 / Critical hemorrhage in the floor of the mouth during implant placement in the first mandibular premolar position : a case report / Implant Dent 14:117~124
de Souza LA / 2016 / Assessment of mandibular posterior regional landmarks using cone-beam computed tomography in dental implant surgery / Ann Anat 205:53~59
Tyndall DA / 2012 / Position statement of the American Academy of Oral and Maxillofacial Radiology on selection criteria for the use of radiology in dental implantology with emphasis on cone beam computed tomography / Oral Surg Oral Med Oral Pathol Oral Radiol 113:817~826
Panjnoush M / 2016 / Evaluation of the concavity depth and inclination in jaws using CBCT / Caspian J Dent Res 5:17~23
Kalpidis CD / 2005 / Critical hemorrhage in the floor of the mouth during implant placement in the first mandibular premolar position : a case report / Implant Dent 14:117~124
de Souza LA / 2016 / Assessment of mandibular posterior regional landmarks using cone-beam computed tomography in dental implant surgery / Ann Anat 205:53~59
Tyndall DA / 2012 / Position statement of the American Academy of Oral and Maxillofacial Radiology on selection criteria for the use of radiology in dental implantology with emphasis on cone beam computed tomography / Oral Surg Oral Med Oral Pathol Oral Radiol 113:817~826
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