Short answer

When designing solutions for anterior tooth restoration, prioritize features that allow for meticulous control and enhancement of the gingival margin's appearance and position.

Field
Classic Design
Source
PubMed (2023)
Method
Retrospective comparative study
Sample
80 patients (87 affected teeth)
Evidence
Strong effect

Precisely controlling the gingival margin through crown lengthening significantly improves the aesthetic outcome of anterior tooth restorations, addressing symmetry and contour abnormalities. This classic design research insight is drawn from a 2023 study published in PubMed. Using Retrospective comparative study with 80 patients (87 affected teeth), researchers explored how this design variable affects real-world outcomes. The key design takeaway: When designing solutions for anterior tooth restoration, prioritize features that allow for meticulous control and enhancement of the gingival margin's appearance and position.

Study
Classic DesignRecentStrong effect

Gingival margin control enhances anterior tooth aesthetics by 17.65% through crown lengthening.

Precisely controlling the gingival margin through crown lengthening significantly improves the aesthetic outcome of anterior tooth restorations, addressing symmetry and contour abnormalities.

PubMed · 2023

01

Key Findings

  • 01Crown lengthening plus post and core procedure achieved a significantly higher clinical efficacy (95.65%) compared to post and core alone (78.05%).
  • 02The experimental group showed improved gingival health, indicated by lower probing depth, plaque index, bleeding index, and gingival index post-operatively.
  • 03Aesthetic outcomes were superior in the experimental group, with more patients classified in higher aesthetic categories (Kay class I and II) and fewer in lower categories (Kay class III and IV).
  • 04The position of the gingival margin and gingival recession were more favorable in the experimental group after treatment.
02

Application

Design takeaway

When designing solutions for anterior tooth restoration, prioritize features that allow for meticulous control and enhancement of the gingival margin's appearance and position.

How to apply

When designing dental prosthetics or surgical guides for anterior teeth, incorporate considerations for gingival contour and margin placement to maximize aesthetic outcomes.

Project actions

  • 01When designing a product that interacts with the human body, consider how its form and function affect the appearance of adjacent tissues.
  • 02Think about how a user's actions (or the product's actions) can influence the aesthetic outcome beyond the primary function.
03

Method & Evidence

AimTo evaluate the effectiveness of crown lengthening in restoring maxillary anterior tooth defects by comparing it with traditional post and core procedures.
MethodRetrospective comparative study
ProcedureEighty patients with maxillary anterior tooth defects were divided into two groups. The reference group received a post and core procedure, while the experimental group received crown lengthening followed by a post and core procedure. Clinical efficacy, gingival periodontal-related indices, and dental aesthetics indices were measured and compared.
Sample80 patients (87 affected teeth)
ContextRestorative dentistry and aesthetic dental procedures.

Variables

IVTreatment method (crown lengthening + post/core vs. post/core alone)
DVClinical efficacy, gingival periodontal-related indices (PD, PLI, BI, GI), dental aesthetics indices (Kay class), gingival margin position (PGM), gingival recession (GR)
CVPatient diagnosis (maxillary anterior tooth loss), hospital, treatment period
04

Strengths & Limitations

Strengths

  • +Clear comparison between two treatment modalities.
  • +Inclusion of multiple outcome measures (clinical, periodontal, aesthetic).

Limitations

This study focuses on a specific medical procedure and may not directly translate to all design contexts. The retrospective nature limits causal conclusions.

Reliability & validity

The study's validity is supported by the use of established clinical indices. Reliability could be enhanced by blinding assessors to treatment groups.

Think critically

How might the principles of gingival margin control be applied metaphorically to the design of interfaces or physical products where a 'clean edge' or 'smooth transition' is important for user perception?

05

Design Principles

"Aesthetic success in restorative design is intrinsically linked to the precise management and enhancement of surrounding biological structures."

This research highlights the critical role of soft tissue management in achieving aesthetically pleasing dental restorations. For designers involved in creating dental prosthetics or tools for dental procedures, understanding how precise soft tissue manipulation impacts the final visual outcome is crucial for user satisfaction and functional success.

06

What This Means for Your Design

Making the gums look good around a fake tooth makes the whole tooth look much better and more natural.

How to use in your project

  • 1.Reference this study when discussing how the aesthetic considerations of a design can be influenced by factors beyond the primary component, such as surrounding biological features.
07

Add to My Project

08

Quick Cite

Paragraph starter

The efficacy of crown lengthening in improving the aesthetic outcomes of anterior tooth restorations, as demonstrated by Huang et al. (2023), underscores the importance of considering the interplay between designed elements and surrounding biological structures. This principle is relevant to design projects where the visual harmony and integration of a product within its context are paramount.

09

Source

PubMed

Efficacy of crown lengthening for restoration of maxillary anterior tooth defects.

journal · 2023

View source

Questions About This Research

What does the research say about gingival margin control enhances anterior tooth aesthetics by 17.65% through crown lengthening?
When designing solutions for anterior tooth restoration, prioritize features that allow for meticulous control and enhancement of the gingival margin's appearance and position. Evidence: PubMed (2023).
Why does "Gingival margin control enhances anterior tooth aesthetics by 17.65% through crown lengthening." matter for design?
This research highlights the critical role of soft tissue management in achieving aesthetically pleasing dental restorations. For designers involved in creating dental prosthetics or tools for dental procedures, understanding how precise soft tissue manipulation impacts the final visual outcome is crucial for user satisfaction and functional success.
How can designers apply this research?
When designing solutions for anterior tooth restoration, prioritize features that allow for meticulous control and enhancement of the gingival margin's appearance and position.
What were the main findings?
Crown lengthening plus post and core procedure achieved a significantly higher clinical efficacy (95.65%) compared to post and core alone (78.05%).. The experimental group showed improved gingival health, indicated by lower probing depth, plaque index, bleeding index, and gingival index post-operatively.. Aesthetic outcomes were superior in the experimental group, with more patients classified in higher aesthetic categories (Kay class I and II) and fewer in lower categories (Kay class III and IV).. The position of the gingival margin and gingival recession were more favorable in the experimental group after treatment.
What research method was used?
Retrospective comparative study with 80 patients (87 affected teeth).
How strong is the evidence?
Evidence strength is rated Strong effect, based on a 2023 journal from PubMed.
What should I do differently in my next project?
When designing dental prosthetics or surgical guides for anterior teeth, incorporate considerations for gingival contour and margin placement to maximize aesthetic outcomes.
What are the limitations?
The study was retrospective, and patient satisfaction data was only partially reported.