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Cephalometric Measurements Of Non-Syndromic Oligodontia In Early Dental Age In A Japanese Population.
Clin Cosmet Investig Dent. 2019; 11:357-365.CC

Abstract

Purpose

Oligodontia significantly affects oral function and esthetics. Recognition of skeletal and dental patterns may aid in proper diagnosis and development of appropriate interventions. The aim of this study was to analyze skeletal and dental patterns for pre-adolescent patients with a diagnosis of oligodontia.

Patients and methods

This study included 19 oligodontia patients (age: 9.5±1.3, Hellman's developmental stage IIIA~IIIB) along with a control group that comprised of 19 participants (age: 9.9±1.6) without any skeletal disharmony or congenitally missing teeth, with an Angle class I relationship and general crowding. Average cephalometric measurements among the oligodontia group were compared to the control group. The correlation between number of congenitally missing teeth (CMT) and each measurement was investigated. Skeletal measurements for both male and female patients in the oligodontia group and the control group were also compared.

Results

No significant difference between the experimental and the control group was observed with respect to skeletal angular and linear measurements, except the gonial angle. Differences in dental pattern measurements were observed. The oligodontia group had significantly smaller Mo-Ms and Is-Mo than the control group (p<0.01). No correlation was detected between severity of oligodontia (number of CMT) and skeletal measurement except for SNB (R=-0.4). For females with oligodontia, Mo-Ms (eruption of maxillary first molar) and Is-Mo (mesial location of maxillary first molar) significantly differed from females in the control group (p<0.01). In contrast, no differences in Mo-Ms or Is-Mo were detected for male patients when oligodontia and control group were compared.

Conclusion

Among pre-adolescent Japanese patients with oligodontia in Hellman's developmental age IIIA~IIIB, no significant differences in skeletal characteristics were established when compared to the control group. However, tooth position of maxillary first molars indicated smaller vertical descent and mesial shift, which may suggest weak maxillary vertical development.

Authors+Show Affiliations

Division of Orthodontics, Department of Developmental Oral Health Science, School of Dentistry Iwate Medical University, Morioka, Iwate, Japan.Department of Oral Medicine, Immunity and Infection, Harvard School of Dental Medicine, Boston, MA, USA.Department of Restorative Dentistry and Biomaterials Science, Harvard School of Dental Medicine, Boston, MA, USA.Department of Oral Medicine, Immunity and Infection, Harvard School of Dental Medicine, Boston, MA, USA.Department of Oral Medicine, Immunity and Infection, Harvard School of Dental Medicine, Boston, MA, USA. Department of Health Policy and Management, Harvard T. H. Chan School of Public Health, Boston, MA, USA.Department of Oral Medicine, Immunity and Infection, Harvard School of Dental Medicine, Boston, MA, USA.Department of Oral Medicine, Immunity and Infection, Harvard School of Dental Medicine, Boston, MA, USA.Division of Dental Education, Department of Oral Medicine, School of Dentistry Iwate Medical University, Morioka, Iwate, Japan.Division of Orthodontics, Department of Developmental Oral Health Science, School of Dentistry Iwate Medical University, Morioka, Iwate, Japan.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31819657

Citation

Mayama, Hisayo, et al. "Cephalometric Measurements of Non-Syndromic Oligodontia in Early Dental Age in a Japanese Population." Clinical, Cosmetic and Investigational Dentistry, vol. 11, 2019, pp. 357-365.
Mayama H, Kuwajima Y, Da Silva JD, et al. Cephalometric Measurements Of Non-Syndromic Oligodontia In Early Dental Age In A Japanese Population. Clinical, cosmetic and investigational dentistry. 2019;11:357-365.
Mayama, H., Kuwajima, Y., Da Silva, J. D., Khorashadi, S., Lambert, R. F., Ishida, Y., Ishikawa-Nagai, S., Miura, H., & Satoh, K. (2019). Cephalometric Measurements Of Non-Syndromic Oligodontia In Early Dental Age In A Japanese Population. Clinical, Cosmetic and Investigational Dentistry, 11, 357-365. https://doi.org/10.2147/CCIDE.S213111
Mayama H, et al. Cephalometric Measurements of Non-Syndromic Oligodontia in Early Dental Age in a Japanese Population. Clinical, cosmetic and investigational dentistry. 2019;11:357-365. PubMed PMID: 31819657.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Cephalometric Measurements Of Non-Syndromic Oligodontia In Early Dental Age In A Japanese Population. AU - Mayama,Hisayo, AU - Kuwajima,Yukinori, AU - Da Silva,John D, AU - Khorashadi,Shahrzad, AU - Lambert,R Frederick, AU - Ishida,Yoshiki, AU - Ishikawa-Nagai,Shigemi, AU - Miura,Hiroyuki, AU - Satoh,Kazuro, Y1 - 2019/11/28/ PY - 2019/04/23/received PY - 2019/09/22/accepted PY - 2019/12/11/entrez PY - 2019/12/11/pubmed PY - 2019/12/11/medline KW - congenitally missing teeth KW - craniofacial morphology KW - non-syndromic oligodontia KW - skeletal and dental pattern SP - 357 EP - 365 JF - Clinical, cosmetic and investigational dentistry VL - 11 N2 - Purpose: Oligodontia significantly affects oral function and esthetics. Recognition of skeletal and dental patterns may aid in proper diagnosis and development of appropriate interventions. The aim of this study was to analyze skeletal and dental patterns for pre-adolescent patients with a diagnosis of oligodontia. Patients and methods: This study included 19 oligodontia patients (age: 9.5±1.3, Hellman's developmental stage IIIA~IIIB) along with a control group that comprised of 19 participants (age: 9.9±1.6) without any skeletal disharmony or congenitally missing teeth, with an Angle class I relationship and general crowding. Average cephalometric measurements among the oligodontia group were compared to the control group. The correlation between number of congenitally missing teeth (CMT) and each measurement was investigated. Skeletal measurements for both male and female patients in the oligodontia group and the control group were also compared. Results: No significant difference between the experimental and the control group was observed with respect to skeletal angular and linear measurements, except the gonial angle. Differences in dental pattern measurements were observed. The oligodontia group had significantly smaller Mo-Ms and Is-Mo than the control group (p<0.01). No correlation was detected between severity of oligodontia (number of CMT) and skeletal measurement except for SNB (R=-0.4). For females with oligodontia, Mo-Ms (eruption of maxillary first molar) and Is-Mo (mesial location of maxillary first molar) significantly differed from females in the control group (p<0.01). In contrast, no differences in Mo-Ms or Is-Mo were detected for male patients when oligodontia and control group were compared. Conclusion: Among pre-adolescent Japanese patients with oligodontia in Hellman's developmental age IIIA~IIIB, no significant differences in skeletal characteristics were established when compared to the control group. However, tooth position of maxillary first molars indicated smaller vertical descent and mesial shift, which may suggest weak maxillary vertical development. SN - 1179-1357 UR - https://www.unboundmedicine.com/medline/citation/31819657/Cephalometric_Measurements_Of_Non_Syndromic_Oligodontia_In_Early_Dental_Age_In_A_Japanese_Population_ L2 - https://dx.doi.org/10.2147/CCIDE.S213111 DB - PRIME DP - Unbound Medicine ER -
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