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Enamel thickness in primary teeth
Ponnudurai Arangannal1, Biswaroop Chandra, V S Hariharan
1Department of Paedodontics and Preventive Dentistry, Sree Balaji Dental College and Hospital.
The Journal of Clinical Pediatric Dentistry
|March 29, 2013
Summary
Primary tooth enamel thickness varies significantly across different tooth types and surfaces. Posterior teeth generally exhibit greater enamel thickness than anterior teeth, with distal surfaces being thicker than mesial surfaces.
Area of Science:
- Dental Anatomy
- Craniofacial Development
- Pediatric Dentistry
Background:
- Understanding primary tooth enamel thickness is crucial for pediatric dental procedures.
- Variations in enamel thickness can influence treatment outcomes and material selection.
Purpose of the Study:
- To quantitatively assess the enamel thickness of all primary teeth in both the maxilla and mandible.
- To identify variations in enamel thickness among different primary tooth types and surfaces.
Main Methods:
- An in vitro study utilizing 50 primary teeth from maxillary and mandibular regions.
- 3D reconstruction and serial slicing of teeth using a 64-slice CT scanner.
- Measurement of enamel thickness on serial slices using volume rendering and defined geometric constructions.
Main Results:
- Primary enamel thickness is not uniform across all surfaces or tooth types.
- Posterior primary teeth demonstrated significantly greater enamel thickness compared to anterior primary teeth in both jaws (p < 0.05).
- Distal enamel surfaces were consistently thicker than mesial enamel surfaces across all samples.
Conclusions:
- Primary enamel exhibits distinct thickness patterns that vary by tooth type and location.
- The increased enamel thickness in posterior teeth and on distal surfaces has clinical implications for restorative and endodontic treatments in primary dentition.
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