Relationship between anterior maxillary tooth sagittal root position and periodontal phenotype: a clinical and tomographic study

Objectives To evaluate the relationship between the tomographic sagittal root position (SRP) of maxillary anterior teeth and periodontal phenotype (PP). Material and methods Seventy volunteers (420 teeth) were evaluated. Clinical and photographic exams included the evaluation of gingival phenotype (...

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Bibliographic Details
Published in:Clinical oral investigations 2022-02, Vol.26 (2), p.1309-1321
Main Authors: Rodrigues, Diogo M., Petersen, Rodrigo L., Montez, Caroline, de Moraes, José R., Januário, Alessandro L., Barboza, Eliane P.
Format: Article
Language:English
Subjects:
Cone-Beam Computed Tomography
Dentistry
Esthetics, Dental
Genotype & phenotype
Gingiva
Humans
Incisor - diagnostic imaging
Incisors
Maxilla
Maxilla - diagnostic imaging
Medicine
Original Article
Phenotype
Phenotypes
Regression analysis
Teeth
Tooth Root
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Summary:Objectives To evaluate the relationship between the tomographic sagittal root position (SRP) of maxillary anterior teeth and periodontal phenotype (PP). Material and methods Seventy volunteers (420 teeth) were evaluated. Clinical and photographic exams included the evaluation of gingival phenotype (GP) by transparency of the periodontal probe, keratinized tissue width (KTW), gingival architecture, tooth shape, and papilla height (PH). Soft tissue tomographic scan (ST-CBCT) measurements included the SRP classification, GP, gingival thickness in the tissue zone (GT-TZ) and in the bone zone (GT-BZ), buccal bone thickness (BBT), and the distances from the gingival margin and from cementoenamel junction to the buccal bone crest (GM-BBC and CEJ-BBC). Kruskal–Wallis test and a linear regression analysis model were used. Results The frequency of SRP over the 420 teeth was 65.2% (class I), 9.3% (class II), 0.7% (class III), and 24.8% (class IV). Linear regression analysis showed that SRP is related to PP ( p  
ISSN:1432-6981
1436-3771
DOI:10.1007/s00784-021-04105-1