Morphological changes in palatal rugae patterns following orthodontic treatment

Mustafa, Ayman G.; Allouh, Mohammed Z.; Alshehab, Rawan M.

doi:10.1016/j.jflm.2015.01.002

Cited by 34 publications

(34 citation statements)

References 15 publications

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“…The same is valid also for the assessment of modifications of palatal rugae due to orthodontic treatments: existing studies are mainly based on the comparison of casts and linear measurements [8][9][10]. Techniques of superimposition may represent a novel method for assessing changes with different therapies.…”

Section: Resultsmentioning

confidence: 99%

“…Literature suggests that dental extractions may reduce the length of the second and third ruga [8], whereas the medial landmarks are more stable, probably because closer to the sagittal plane [9]. An overall analysis of possible modifications observed in patients treated for orthodontic purposes was recently given by Mustafa et al [10]: in 22% of cases an increase in number was observed for a segmentation of pre-existing structures, whereas in 20% they merged in fewer elements. In 28% of cases palatal rugae suffered increase or decrease in length and in 6% of cases they changed shape [10].…”

Section: Introductionmentioning

confidence: 99%

“…An overall analysis of possible modifications observed in patients treated for orthodontic purposes was recently given by Mustafa et al [10]: in 22% of cases an increase in number was observed for a segmentation of pre-existing structures, whereas in 20% they merged in fewer elements. In 28% of cases palatal rugae suffered increase or decrease in length and in 6% of cases they changed shape [10]. The third ruga seems to be more stable as it is located most posteriorly on the palate, but again some orthodontic therapy such as maxillary expansion devices proved to be able to modify also this element [8].…”

Section: Introductionmentioning

confidence: 99%

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The Application of 3D Image Acquisition Systems to Palatal Rugae: A Technical Improvement for Personal Identification?

Gibelli¹,

Angelis²,

Lupi³

et al. 2016

Proceedings of the 7th International Conference on 3D Body Scanning Technologies, Lugano, Switzerland, 30 Nov.-1 Dec. 2016

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The modern 3D image acquisition systems have acquired in the last decades a growing importance in clinical anatomy and in different fields of application of physical anthropology, including also forensic issues. An example can be found in the development of novel procedures concerning the comparison of palatal anatomical structures, such as palatal rugae. This study aims at exposing possible protocols of superimposition for the comparison of palatal rugae, useful for clinical and forensic purposes: the palate is acquired by a laser scanner (Dental Wing©). Superimposition is then performed according to the surface of the three main palatal rugae through VAM© software which is able to give back an estimation of RMS (root mean square) point-to-point distance between the two models. Models can be also assessed separating the right and the left side in order to test possible modifications of palatal structures in cases of maxillary expansion. The 3D superimposition provides a chromatic visualization of corresponding areas (areas with full superimposition are represented in green, whereas possible discordances are in blue or red) that offer a visual depiction of the quantified differences, useful in clinical contexts. The proposed protocol may therefore provide a relevant help in the assessment of palatal modifications in clinical anatomy and forensic anthropology.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

The Application of 3D Image Acquisition Systems to Palatal Rugae: A Technical Improvement for Personal Identification?

Gibelli¹,

Angelis²,

Lupi³

et al. 2016

Proceedings of the 7th International Conference on 3D Body Scanning Technologies, Lugano, Switzerland, 30 Nov.-1 Dec. 2016

View full text Add to dashboard Cite

show abstract

“…Many scholars consider that orthodontic treatment possibly affects the changes in palatal rugae pattern and therefore application of palatal rugae pattern in the forensic identification becomes more complex (Bailey et al, 1996;Hoggan & Sadowsky, 200;Mustafa et al, 2015 ). Whether the changes in palatal rugae pattern after orthodontic treatment influence the accuracy of palatal rugae pattern used as a reference in forensic identification remains disputed.…”

Section: Discussionmentioning

confidence: 99%

Analysis of Palatal Rugae Morphology Before and After Orthodontic Treatment by a Digital Image Recognition System

Han

Pan

et al. 2017

Int. J. Morphol.

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To analyze the accuracy rate of a digital image recognition system in matching the palatal rugae Morphology after orthodontic treatment, before orthodontic treatment and to provide theoretical evidence for individual identification in the field of forensic dentistry. High-resolution digital images of the palatal rugae were taken under particular conditions from each patient before and after orthodontic treatment. Features of each digital image were extracted using a digital image recognition system and included in the palatal rugae database. Using an MATLAB software system, information matching of the palatal rugae was performed. From the matching results, the accuracy rate of individual identification of orthodontic patients was 100 %, with a Euclidean distance of 0. The accuracy rate in matching palatal rugae patterns before and after orthodontic treatment was 95.67 %. The results were statistically significant with P < 0.05. Palatal rugae pattern is highly individual-specific. After orthodontic treatment, palatal rugae are morphologically diverse, but these changes do not greatly influence the individual identification in the field of forensic dentistry, which provides a new method of and pathway to forensic identification.

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“…They are also of great research value, and are therefore, an increasing area of interest in the field of forensic dentistry all over the world (Gondivkar et al, 2011;Adisa et al, 2014;Patil et al, 2016;Wu et al, 2016). Clinical orthodontic treatment can cause morphological change in palatal rugae patterns, which make palatal rugae-based forensic identification more complex Shukla et al, 2011;Deepak et al, 2014;Selvamani et al, 2015;Mustafa et al, 2015). In China, there are scant reports about palatal rugae pattern stability after orthodontic treatment and the accuracy of taking palatal rouge pattern as a reference in forensic dentistry.…”

Section: Introductionmentioning

confidence: 99%

Model Analysis of Anatomical Morphology Changes of Palatal Rugae Before and After Orthodontic Treatment

Kwon

et al. 2017

Int. J. Morphol.

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LI, B.; TAE-GEON, K.; WU, X. ; HEE-MOON, K. ; KE-MING, Y. & XIU-PING, W.Model analysis of anatomical morphology changes of palatal rugae before and after orthodontic treatment. Int. J. Morphol., 35(4):1224Morphol., 35(4): -1229Morphol., 35(4): , 2017. SUMMARY:Model analysis was performed to identify palatal rugae anatomical morphology patterns, evaluate their individual-specific properties and stability before and after orthodontic treatments, and investigate their reliability in the use for individual identification from the perspective of forensic dentistry. Maxillary models of 70 patients were collected before and after orthodontic treatments, palatine images were taken under standard conditions. Pattern-based individual identification was performed through measuring some indices including changes in number, orientation, shape, and length of palatal rugae, as well as mesial and distal endpoint displacement of palatal rugae in the anteroposterior (AP) and mesiodistal (MD) direction. At the same time, maxillary models of 10 patients were randomly selected for individuality confirmation and the average rate of correct matches was calculated. palatal rugae anatomical morphology patterns were highly individual-specific. Palatine of the same pattern were not found before or after orthodontic treatment. Model-based analysis confirmed the high individual-specificity properties of the palatal rugae anatomical morphology patterns, and also showed that the incidence of any morphological change in the patterns after orthodontic treatment was 45.7 % for anteroposterior displacement of the distal endpoint of palatal rugae, 40 % for mesiodistal displacement of the distal endpoint of palatine, 32.9 % for anteroposterior displacement of the mesial endpoint of palatal rugae, and 17.1 % for mesiodistal displacement of the mesial endpoint of palatal rugae. The incidence of change in length, orientation and shape of palatine after orthodontic treatment was 28.6 %, 1.4 % and 1.4 % respectively; and the incidence of palatal segmentation and unification after orthodontic treatment was 4.3 % and 2.9 % respectively. The mean percentage of correct matches of the palatine patterns after orthodontic treatment to their duplicates was 99.05 % and the mean percentage of correct matches of the palatine patterns between before and after orthodontic treatment was 92.19 %. Palatal rugae anatomical morphology patterns are unique to each individual. After orthodontic treatment, palatal rugae have diverse presentation patterns. Although the diverse palatine patterns to a certain degree, influence individual identification in the field of forensic identification, palatal rugae patterns can be used as a novel method for individual identification in forensic dentistry.

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Morphological changes in palatal rugae patterns following orthodontic treatment

Cited by 34 publications

References 15 publications

The Application of 3D Image Acquisition Systems to Palatal Rugae: A Technical Improvement for Personal Identification?

The Application of 3D Image Acquisition Systems to Palatal Rugae: A Technical Improvement for Personal Identification?

Analysis of Palatal Rugae Morphology Before and After Orthodontic Treatment by a Digital Image Recognition System

Model Analysis of Anatomical Morphology Changes of Palatal Rugae Before and After Orthodontic Treatment

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